Major changes to split sources up

* moved common peripheral i/o functions to separate source files
* moved device-specific setup to separate source files
* removed LED blink functionality (unused)
* mtcdp, mt100eocg are not supported, but code is included for possible future use

10 files changed, 2773 insertions, 3056 deletions

diff --git a/io-module/adc.c b/io-module/adc.c
new file mode 100644
index 0000000..bcb3598
--- /dev/null
+++ b/io-module/adc.c
@@ -0,0 +1,87 @@
+
+#define ADC_SHTIME_DEFAULT			0x05
+#define ADC_STARTUP_DEFAULT			0x04
+#define ADC_PRESCALE_DEFAULT			0x3F
+#define ADC_MODE_DEFAULT \
+	((ADC_SHTIME_DEFAULT & 0x0F) << 24) | \
+	((ADC_STARTUP_DEFAULT & 0x1F) << 16) | \
+	((ADC_PRESCALE_DEFAULT & 0x3F) << 8)
+
+#define ADC_CR_OFFSET			0x00
+#define ADC_MR_OFFSET			0x04
+#define ADC_CHER_OFFSET			0x10
+#define ADC_CHDR_OFFSET			0x14
+#define ADC_CHSR_OFFSET			0x18
+#define ADC_SR_OFFSET			0x1C
+#define ADC_LDCR_OFFSET			0x20
+#define ADC_IER_OFFSET			0x14
+#define ADC_IDR_OFFSET			0x28
+#define ADC_IMR_OFFSET			0x2C
+#define ADC_CDR0_OFFSET			0x30
+#define ADC_CDR1_OFFSET			0x34
+#define ADC_CDR2_OFFSET			0x38
+#define ADC_CDR3_OFFSET			0x3C
+
+void __iomem *adc_base;
+struct clk *adc_clk;
+
+#define ADC_CONVERT_RESET(base)			writel(0x01, (base) + ADC_CR_OFFSET)
+#define ADC_CONVERT_START(base)			writel(0x02, (base) + ADC_CR_OFFSET)
+
+static ssize_t mts_attr_show_adc(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int offset;
+	u32 value;
+	u32 chan_mask;
+
+	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_ADC)) {
+		log_debug("ADC not available");
+		return -ENODEV;
+	}
+
+	if (!strcmp(attr->attr.name, "adc0")) {
+		offset = ADC_CDR0_OFFSET;
+		chan_mask = 0x01;
+	} else if (!strcmp(attr->attr.name, "adc1")) {
+		offset = ADC_CDR1_OFFSET;
+		chan_mask = 0x02;
+	} else if (!strcmp(attr->attr.name, "adc2")) {
+		offset = ADC_CDR2_OFFSET;
+		chan_mask = 0x04;
+	} else if (!strcmp(attr->attr.name, "adc3")) {
+		offset = ADC_CDR3_OFFSET;
+		chan_mask = 0x08;
+	} else {
+		log_notice("adc attr does not exist");
+		return -ENOENT;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	// disable all channels and enable the one we want
+	writel(0x0F, adc_base + ADC_CHDR_OFFSET);
+	writel(chan_mask, adc_base + ADC_CHER_OFFSET);
+
+	ADC_CONVERT_START(adc_base);
+
+	// wait for conversion to complete (EOC bit set)
+	value = 0;
+	while (value != chan_mask) {
+		value = readl(adc_base + ADC_SR_OFFSET) & chan_mask;
+		log_debug("ADC_SR EOC [%X]", value);
+	}
+
+	// read result
+	value = readl(adc_base + offset);
+
+	mutex_unlock(&mts_io_mutex);
+
+	return sprintf(buf, "%lu\n", (unsigned long) value);
+}
+
+static DEVICE_ATTR_RO_MTS(dev_attr_adc0, "adc0", mts_attr_show_adc);
+static DEVICE_ATTR_RO_MTS(dev_attr_adc1, "adc1", mts_attr_show_adc);
+static DEVICE_ATTR_RO_MTS(dev_attr_adc2, "adc2", mts_attr_show_adc);
+static DEVICE_ATTR_RO_MTS(dev_attr_adc3, "adc3", mts_attr_show_adc);
diff --git a/io-module/gpio.c b/io-module/gpio.c
new file mode 100644
index 0000000..72c55f6
--- /dev/null
+++ b/io-module/gpio.c
@@ -0,0 +1,83 @@
+
+struct gpio_pin *gpio_pin_by_name(const char *name) {
+	struct gpio_pin *pin;
+
+	for (pin = gpio_pins; *pin->name; pin++) {
+		if (!strcmp(pin->name, name)) {
+			return pin;
+		}
+	}
+
+	log_error("pin named %s not found", name);
+
+	return NULL;
+}
+
+struct gpio_pin *gpio_pin_by_attr_name(const char *name) {
+	struct gpio_pin *pin;
+
+	for (pin = gpio_pins; *pin->name; pin++) {
+		if (!strcmp(pin->pin.label, name)) {
+			return pin;
+		}
+	}
+
+	log_error("pin with attr name %s not found", name);
+
+	return NULL;
+}
+
+static ssize_t mts_attr_show_gpio_pin(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int value;
+	struct gpio_pin *pin = gpio_pin_by_attr_name(attr->attr.name);
+
+	if (!pin) {
+		return -ENODEV;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	value = gpio_get_value(pin->pin.gpio);
+
+	mutex_unlock(&mts_io_mutex);
+
+	if (value < 0) {
+		return value;
+	}
+
+	if (pin->active_low) {
+		value = !value;
+	}
+
+	return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t mts_attr_store_gpio_pin(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value;
+	struct gpio_pin *pin = gpio_pin_by_attr_name(attr->attr.name);
+
+	if (!pin) {
+		return -ENODEV;
+	}
+
+	if (sscanf(buf, "%i", &value) != 1) {
+		return -EINVAL;
+	}
+
+	if (pin->active_low) {
+		value = !value;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	gpio_set_value(pin->pin.gpio, value);
+
+	mutex_unlock(&mts_io_mutex);
+
+	return count;
+}
diff --git a/io-module/mt100eocg.c b/io-module/mt100eocg.c
new file mode 100644
index 0000000..8d2338d
--- /dev/null
+++ b/io-module/mt100eocg.c
@@ -0,0 +1,221 @@
+
+static struct gpio_pin gpio_pins_mt100eocg_0_0[] = {
+	{
+		.name = "ENIO",
+		.pin = AT91_PIN_PC15,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ETH0_ENABLED",
+		.attr_name = "eth0-enabled",
+		.pin = AT91_PIN_PB31,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "RADIO_RESET",
+		.attr_name = "radio-reset",
+		.pin = AT91_PIN_PB30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "DEVICE_RESET",
+		.attr_name = "reset",
+		.pin = AT91_PIN_PA22,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "LED3",
+		.attr_name = "led3",
+		.pin = AT91_PIN_PC9,
+#if LED_LS_CONTROLLABLE
+		.direction = GPIO_DIR_OUTPUT,
+#else
+		.direction = GPIO_DIR_INPUT,
+#endif
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "LED2",
+		.attr_name = "led2",
+		.pin = AT91_PIN_PA30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "RSERSRC",
+		.attr_name = "rsersrc",
+		.pin = AT91_PIN_PC7,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "TXD1",
+		.pin = AT91_PIN_PB17,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "DTR1",
+		.attr_name = "extserial-dtr",
+		.pin = AT91_PIN_PB18,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "DCD1",
+		.attr_name = "extserial-dcd",
+		.pin = AT91_PIN_PB3,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "GPIO11",
+		.attr_name = "gpio11",
+		.pin = AT91_PIN_PB19,
+		.direction = GPIO_DIR_OD,
+		.output_value = 1,
+		.use_pullup = 1,
+	},
+	{
+		.name = "GPIO12",
+		.attr_name = "gpio12",
+		.pin = AT91_PIN_PB20,
+		.direction = GPIO_DIR_OD,
+		.output_value = 1,
+		.use_pullup = 1,
+	},
+	{
+		.name = "ADC0",
+		.pin = AT91_PIN_PC0,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC1",
+		.pin = AT91_PIN_PC1,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC2",
+		.pin = AT91_PIN_PC2,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC3",
+		.pin = AT91_PIN_PC3,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{ },
+};
+
+/* mt100eocg specific attributes */
+static DEVICE_ATTR_MTS(dev_attr_gpo1, "gpo1",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_gpo2, "gpo2",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_gpo3, "gpo3",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_gpo4, "gpo4",
+	mts_attr_show_dout, mts_attr_store_dout);
+
+
+static DEVICE_ATTR_MTS(dev_attr_led1, "led1",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_led2, "led2",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+#if LED_LS_CONTROLLABLE
+static DEVICE_ATTR_MTS(dev_attr_led3, "led3",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+#else
+static DEVICE_ATTR_RO_MTS(dev_attr_led3, "led3", mts_attr_show_gpio_pin);
+#endif
+
+static DEVICE_ATTR_MTS(dev_attr_led4, "led4",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_led5, "led5",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_led6, "led6",
+	mts_attr_show_dout, mts_attr_store_dout);
+
+static DEVICE_ATTR_MTS(dev_attr_gpio11, "gpio11",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_gpio12, "gpio12",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+static DEVICE_ATTR_MTS(dev_attr_rsersrc, "rsersrc",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+static struct attribute *mt100eocg_platform_attributes[] = {
+	&dev_attr_vendor_id.attr,
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
+	&dev_attr_imei.attr,
+	&dev_attr_eth_mac.attr,
+	&dev_attr_extserial_dtr.attr,
+	&dev_attr_extserial_dcd_gpio.attr,
+	&dev_attr_rsersrc.attr,
+	&dev_attr_radio_reset.attr,
+	&dev_attr_eth0_enabled.attr,
+	&dev_attr_gpio11.attr,
+	&dev_attr_gpio12.attr,
+
+	&dev_attr_gpo1.attr,
+	&dev_attr_gpo2.attr,
+	&dev_attr_gpo3.attr,
+	&dev_attr_gpo4.attr,
+	&dev_attr_led1.attr,
+	&dev_attr_led2.attr,
+	&dev_attr_led3.attr,
+	&dev_attr_led4.attr,
+	&dev_attr_led5.attr,
+	&dev_attr_led6.attr,
+
+	&dev_attr_gpi5.attr,
+	&dev_attr_gpi6.attr,
+	&dev_attr_gpi7.attr,
+	&dev_attr_gpi8.attr,
+	&dev_attr_gpi9.attr,
+	&dev_attr_gpi10.attr,
+
+	&dev_attr_board_temperature.attr,
+
+	&dev_attr_adc0.attr,
+	&dev_attr_adc1.attr,
+	&dev_attr_adc2.attr,
+	&dev_attr_adc3.attr,
+
+	NULL,
+};
+
+static struct attribute_group mt100eocg_platform_attribute_group = {
+	.attrs = mt100eocg_platform_attributes
+};
diff --git a/io-module/mtcdp.c b/io-module/mtcdp.c
new file mode 100644
index 0000000..31551b0
--- /dev/null
+++ b/io-module/mtcdp.c
@@ -0,0 +1,310 @@
+
+#define USBH2_PS_CONTROLLABLE		0
+
+static struct gpio_pin gpio_pins_mtcdp_0_0[] = {
+	{
+		.name = "ENIO",
+		.pin = AT91_PIN_PC15,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ETH0_ENABLED",
+		.attr_name = "eth0-enabled",
+		.pin = AT91_PIN_PB31,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "RADIO_RESET",
+		.attr_name = "radio-reset",
+		.pin = AT91_PIN_PB30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "DEVICE_RESET",
+		.attr_name = "reset",
+		.pin = AT91_PIN_PA22,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "LS_LED",
+		.attr_name = "led-ls",
+		.pin = AT91_PIN_PC9,
+#if LED_LS_CONTROLLABLE
+		.direction = GPIO_DIR_OUTPUT,
+#else
+		.direction = GPIO_DIR_INPUT,
+#endif
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.attr_name = "led-status",
+		.pin = AT91_PIN_PA30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "STATUS_LED",
+		.attr_name = "led-sdk-a",
+		.pin = AT91_PIN_PA30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+#endif
+	{
+		.name = "RSERSRC",
+		.attr_name = "rsersrc",
+		.pin = AT91_PIN_PC7,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "DTR1",
+		.attr_name = "extserial-dtr",
+		.pin = AT91_PIN_PC10,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{ },
+};
+
+static struct gpio_pin gpio_pins_mtcdp_1_0[] = {
+	{
+		.name = "ENIO",
+		.pin = AT91_PIN_PC15,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ETH0_ENABLED",
+		.attr_name = "eth0-enabled",
+		.pin = AT91_PIN_PB31,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "RADIO_RESET",
+		.attr_name = "radio-reset",
+		.pin = AT91_PIN_PB30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "DEVICE_RESET",
+		.attr_name = "reset",
+		.pin = AT91_PIN_PA22,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "LS_LED",
+		.attr_name = "led-ls",
+		.pin = AT91_PIN_PC9,
+#if LED_LS_CONTROLLABLE
+		.direction = GPIO_DIR_OUTPUT,
+#else
+		.direction = GPIO_DIR_INPUT,
+#endif
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.attr_name = "led-status",
+		.pin = AT91_PIN_PA30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "STATUS_LED",
+		.attr_name = "led-sdk-a",
+		.pin = AT91_PIN_PA30,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "RSERSRC",
+		.attr_name = "rsersrc",
+		.pin = AT91_PIN_PC7,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "TXD1",
+		.pin = AT91_PIN_PB17,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "DTR1",
+		.attr_name = "extserial-dtr",
+		.pin = AT91_PIN_PB18,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+	{
+		.name = "USBH2_PS_OC",
+		.attr_name = "usbh2-ps-oc",
+		.pin = AT91_PIN_PB19,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+#if USBH2_PS_CONTROLLABLE
+	{
+		.name = "USBH2_PS_ENABLED",
+		.attr_name = "usbh2-ps-enabled",
+		.pin = AT91_PIN_PB20,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+		.active_low = 1,
+	},
+#endif
+	{
+		.name = "NDC_RESET",
+		.attr_name = "ndc-reset",
+		.pin = AT91_PIN_PB21,
+		.direction = GPIO_DIR_OUTPUT,
+		.output_value = 1,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC0",
+		.pin = AT91_PIN_PC0,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC1",
+		.pin = AT91_PIN_PC1,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC2",
+		.pin = AT91_PIN_PC2,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{
+		.name = "ADC3",
+		.pin = AT91_PIN_PC3,
+		.direction = GPIO_DIR_INPUT,
+		.output_value = 0,
+		.use_pullup = 0,
+	},
+	{ },
+};
+
+/* mtcdp specific attributes */
+static DEVICE_ATTR_MTS(dev_attr_led_sdk_a, "led-sdk-a",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_RO_MTS(dev_attr_usbh2_ps_oc, "usbh2-ps-oc",
+	   	mts_attr_show_gpio_pin);
+
+#if USBH2_PS_CONTROLLABLE
+static DEVICE_ATTR_MTS(dev_attr_usbh2_ps_enabled, "usbh2-ps-enabled",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+#endif
+
+static struct attribute *mtcdp_platform_attributes[] = {
+	&dev_attr_vendor_id.attr,
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
+	&dev_attr_imei.attr,
+	&dev_attr_eth_mac.attr,
+	&dev_attr_reset.attr,
+	&dev_attr_reset_monitor.attr,
+	&dev_attr_radio_reset.attr,
+	&dev_attr_ndc_reset.attr,
+	&dev_attr_eth0_enabled.attr,
+	&dev_attr_extserial_dtr.attr,
+	&dev_attr_led_ls.attr,
+	&dev_attr_led_status.attr,
+	&dev_attr_led_sdk_a.attr,
+	&dev_attr_usbh2_ps_oc.attr,
+#if USBH2_PS_CONTROLLABLE
+	&dev_attr_usbh2_ps_enabled.attr,
+#endif
+
+	&dev_attr_extserial_dcd.attr,
+	&dev_attr_extserial_ri.attr,
+	&dev_attr_extserial_dsr.attr,
+	&dev_attr_led_cd.attr,
+	&dev_attr_led_sdk_b.attr,
+	&dev_attr_led_sig1.attr,
+	&dev_attr_led_sdk_c.attr,
+	&dev_attr_led_sig2.attr,
+	&dev_attr_led_sdk_d.attr,
+	&dev_attr_led_sig3.attr,
+	&dev_attr_led_sdk_e.attr,
+	&dev_attr_led_dtr.attr,
+	&dev_attr_led_sdk_f.attr,
+
+	&dev_attr_dout0.attr,
+	&dev_attr_dout1.attr,
+	&dev_attr_dout2.attr,
+	&dev_attr_dout3.attr,
+	&dev_attr_dout4.attr,
+	&dev_attr_dout5.attr,
+	&dev_attr_dout6.attr,
+	&dev_attr_dout7.attr,
+
+	&dev_attr_din0.attr,
+	&dev_attr_din1.attr,
+	&dev_attr_din2.attr,
+	&dev_attr_din3.attr,
+	&dev_attr_din4.attr,
+	&dev_attr_din5.attr,
+	&dev_attr_din6.attr,
+	&dev_attr_din7.attr,
+
+	&dev_attr_board_temperature.attr,
+
+	&dev_attr_adc0.attr,
+	&dev_attr_adc1.attr,
+	&dev_attr_adc2.attr,
+	&dev_attr_adc3.attr,
+
+	NULL,
+};
+
+static struct attribute_group mtcdp_platform_attribute_group = {
+	.attrs = mtcdp_platform_attributes
+};
diff --git a/io-module/mtr.c b/io-module/mtr.c
new file mode 100644
index 0000000..cef1560
--- /dev/null
+++ b/io-module/mtr.c
@@ -0,0 +1,468 @@
+
+static struct gpio_pin gpio_pins_mtr_0_0[] = {
+	{
+		.name = "NETH_RST",
+		.pin = {
+			.gpio = AT91_PIN_PC6,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "eth0-enabled",
+		},
+	},
+	{
+		.name = "PWRMON",
+		.pin = {
+			.gpio = AT91_PIN_PA23,
+			.flags = GPIOF_IN,
+			.label = "radio-power",
+		},
+	},
+	{
+		.name = "3G_RST",
+		.pin = {
+			.gpio = AT91_PIN_PA22,
+			.flags = GPIOF_OPEN_DRAIN | GPIOF_INIT_HIGH,
+			.label = "radio-reset",
+		},
+	},
+	{
+		.name = "3G_ONOFF",
+		.pin = {
+			.gpio = AT91_PIN_PA21,
+			.flags = GPIOF_OPEN_DRAIN | GPIOF_INIT_HIGH,
+			.label = "radio-enabled",
+		},
+	},
+	{
+		.name = "DEVICE_RESET",
+		.pin = {
+			.gpio = AT91_PIN_PC4,
+			.flags = GPIOF_IN,
+			.label = "reset",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PC16,
+#if LED_LS_CONTROLLABLE
+			.flags = GPIOF_OUT_INIT_HIGH,
+#else
+			.flags = GPIOF_IN,
+#endif
+			.label = "led-ls",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PC21,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "led-status",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PC21,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "led-a",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED3",
+		.pin = {
+			.gpio = AT91_PIN_PC15,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-wifi",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED3",
+		.pin = {
+			.gpio = AT91_PIN_PC15,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-b",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED4",
+		.pin = {
+			.gpio = AT91_PIN_PC20,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-cd",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED4",
+		.pin = {
+			.gpio = AT91_PIN_PC20,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-c",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED6",
+		.pin = {
+			.gpio = AT91_PIN_PC19,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig1",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED6",
+		.pin = {
+			.gpio = AT91_PIN_PC19,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-d",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED7",
+		.pin = {
+			.gpio = AT91_PIN_PC18,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig2",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED7",
+		.pin = {
+			.gpio = AT91_PIN_PC18,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-e",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED8",
+		.pin = {
+			.gpio = AT91_PIN_PC17,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig3",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED8",
+		.pin = {
+			.gpio = AT91_PIN_PC17,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-f",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "RI_B",
+		.pin = {
+			.gpio = AT91_PIN_PC25,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-ri",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "DTR_B",
+		.pin = {
+			.gpio = AT91_PIN_PC26,
+			.flags = GPIOF_IN,
+			.label = "extserial-dtr",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "DSR_B",
+		.pin = {
+			.gpio = AT91_PIN_PC27,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-dsr",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "DCD_B",
+		.pin = {
+			.gpio = AT91_PIN_PC28,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-dcd",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "BT_EN",
+		.pin = {
+			.gpio = AT91_PIN_PA28,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "bt-enabled",
+		},
+	},
+	{
+		.name = "WLAN_EN",
+		.pin = {
+			.gpio = AT91_PIN_PA27,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "wlan-enabled",
+		},
+	},
+	{ },
+};
+
+static struct gpio_pin gpio_pins_mtr_0_1[] = {
+	{
+		.name = "NETH_RST",
+		.pin = {
+			.gpio = AT91_PIN_PC6,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "eth0-enabled",
+		},
+	},
+	{
+		.name = "PWRMON",
+		.pin = {
+			.gpio = AT91_PIN_PA23,
+			.flags = GPIOF_IN,
+			.label = "radio-power",
+		},
+	},
+	{
+		.name = "3G_RST",
+		.pin = {
+			.gpio = AT91_PIN_PA22,
+			.flags = GPIOF_OUT_INIT_HIGH | GPIOF_PULLUP,
+			.label = "radio-reset",
+		},
+	},
+	{
+		.name = "3G_ONOFF",
+		.pin = {
+			.gpio = AT91_PIN_PA21,
+			.flags = GPIOF_OUT_INIT_HIGH | GPIOF_PULLUP,
+			.label = "radio-enabled",
+		},
+	},
+	{
+		.name = "DEVICE_RESET",
+		.pin = {
+			.gpio = AT91_PIN_PC4,
+			.flags = GPIOF_IN,
+			.label = "reset",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PC16,
+#if LED_LS_CONTROLLABLE
+			.flags = GPIOF_OUT_INIT_HIGH,
+#else
+			.flags = GPIOF_IN,
+#endif
+			.label = "led-ls",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PC21,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "led-status",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED3",
+		.pin = {
+			.gpio = AT91_PIN_PC15,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-wifi",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED3",
+		.pin = {
+			.gpio = AT91_PIN_PC15,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-b",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED4",
+		.pin = {
+			.gpio = AT91_PIN_PC20,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-cd",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED4",
+		.pin = {
+			.gpio = AT91_PIN_PC20,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-c",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED6",
+		.pin = {
+			.gpio = AT91_PIN_PC19,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig1",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED6",
+		.pin = {
+			.gpio = AT91_PIN_PC19,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-d",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED7",
+		.pin = {
+			.gpio = AT91_PIN_PC18,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig2",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED7",
+		.pin = {
+			.gpio = AT91_PIN_PC18,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-e",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED8",
+		.pin = {
+			.gpio = AT91_PIN_PC17,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig3",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED8",
+		.pin = {
+			.gpio = AT91_PIN_PC17,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-f",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "RI_B",
+		.pin = {
+			.gpio = AT91_PIN_PC25,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-ri",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "DTR_B",
+		.pin = {
+			.gpio = AT91_PIN_PC26,
+			.flags = GPIOF_IN,
+			.label = "extserial-dtr",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "DSR_B",
+		.pin = {
+			.gpio = AT91_PIN_PC27,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-dsr",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "DCD_B",
+		.pin = {
+			.gpio = AT91_PIN_PC28,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-dcd",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "BT_EN",
+		.pin = {
+			.gpio = AT91_PIN_PA28,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "bt-enabled",
+		},
+	},
+	{
+		.name = "WLAN_EN",
+		.pin = {
+			.gpio = AT91_PIN_PA27,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "wlan-enabled",
+		},
+	},
+	{ },
+};
+
+static struct attribute *mtr_platform_attributes[] = {
+	&dev_attr_vendor_id.attr,
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
+	&dev_attr_imei.attr,
+	&dev_attr_eth_mac.attr,
+	&dev_attr_wifi_mac.attr,
+	&dev_attr_reset.attr,
+	&dev_attr_reset_monitor.attr,
+	&dev_attr_radio_power_telit.attr,
+	&dev_attr_radio_reset_telit.attr,
+	&dev_attr_extserial_ri_gpio.attr,
+	&dev_attr_extserial_dtr.attr,
+	&dev_attr_extserial_dsr_gpio.attr,
+	&dev_attr_extserial_dcd_gpio.attr,
+	&dev_attr_eth0_enabled.attr,
+	&dev_attr_bt_enabled.attr,
+	&dev_attr_wlan_enabled.attr,
+
+	&dev_attr_led_status.attr,
+	&dev_attr_led_sig1_gpio.attr,
+	&dev_attr_led_sig2_gpio.attr,
+	&dev_attr_led_sig3_gpio.attr,
+	&dev_attr_led_cd_gpio.attr,
+	&dev_attr_led_wifi_gpio.attr,
+
+	&dev_attr_led_a_gpio.attr,
+	&dev_attr_led_b_gpio.attr,
+	&dev_attr_led_c_gpio.attr,
+	&dev_attr_led_d_gpio.attr,
+	&dev_attr_led_e_gpio.attr,
+	&dev_attr_led_f_gpio.attr,
+
+	NULL,
+};
+
+static struct attribute_group mtr_platform_attribute_group = {
+	.attrs = mtr_platform_attributes
+};
diff --git a/io-module/mtr2.c b/io-module/mtr2.c
new file mode 100644
index 0000000..2efc85d
--- /dev/null
+++ b/io-module/mtr2.c
@@ -0,0 +1,515 @@
+
+static struct gpio_pin gpio_pins_mtr2_0_0[] = {
+	{
+		.name = "NETH_RST",
+		.pin = {
+			.gpio = AT91_PIN_PC6,
+			.flags = GPIOF_OPEN_DRAIN | GPIOF_INIT_HIGH,
+			.label = "eth-switch-enabled",
+		},
+	},
+	{
+		.name = "RADIO_RESET",
+		.pin = {
+			.gpio = AT91_PIN_PC5,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "radio-reset",
+		},
+	},
+	{
+		.name = "RADIO_RESET",
+		.pin = {
+			.gpio = AT91_PIN_PC5,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "radio-power",
+		},
+	},
+	{
+		.name = "DEVICE_RESET",
+		.pin = {
+			.gpio = AT91_PIN_PC4,
+			.flags = GPIOF_IN,
+			.label = "reset",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PA14,
+#if LED_LS_CONTROLLABLE
+			.flags = GPIOF_OUT_INIT_HIGH,
+#else
+			.flags = GPIOF_IN,
+#endif
+			.label = "led-ls",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PA24,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "led-status",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "STATUS_LED",
+		.pin = {
+			.gpio = AT91_PIN_PA24,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "led-a",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED7",
+		.pin = {
+			.gpio = AT91_PIN_PA25,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-cd",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED7",
+		.pin = {
+			.gpio = AT91_PIN_PA25,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-c",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED10",
+		.pin = {
+			.gpio = AT91_PIN_PA26,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig1",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED10",
+		.pin = {
+			.gpio = AT91_PIN_PA26,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-d",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED11",
+		.pin = {
+			.gpio = AT91_PIN_PA27,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig2",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED11",
+		.pin = {
+			.gpio = AT91_PIN_PA27,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-e",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED12",
+		.pin = {
+			.gpio = AT91_PIN_PA28,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-sig3",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED12",
+		.pin = {
+			.gpio = AT91_PIN_PA28,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-f",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED13",
+		.pin = {
+			.gpio = AT91_PIN_PA29,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-wifi",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "LED13",
+		.pin = {
+			.gpio = AT91_PIN_PA29,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "led-b",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "UART3_DTR",
+		.pin = {
+			.gpio = AT91_PIN_PC12,
+			.flags = GPIOF_IN,
+			.label = "extserial-dtr",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "UART3_DSR",
+		.pin = {
+			.gpio = AT91_PIN_PC11,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-dsr",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "UART3_DCD",
+		.pin = {
+			.gpio = AT91_PIN_PC10,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-dcd",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "UART3_RI",
+		.pin = {
+			.gpio = AT91_PIN_PC13,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "extserial-ri",
+		},
+		.active_low = 1,
+	},
+	{
+		.name = "NDC_RESET",
+		.pin = {
+			.gpio = AT91_PIN_PC3,
+			.flags = GPIOF_OUT_INIT_HIGH,
+			.label = "ndc-reset",
+		},
+	},
+	{
+		.name = "NDC_EEPROM_WRITE_PROTECT",
+		.pin = {
+			.gpio = AT91_PIN_PC26,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "ndc-eeprom-wp",
+		},
+	},
+	{
+		.name = "BT_EN",
+		.pin = {
+			.gpio = AT91_PIN_PD21,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "bt-enabled",
+		},
+	},
+	{
+		.name = "WLAN_EN",
+		.pin = {
+			.gpio = AT91_PIN_PC1,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "wlan-enabled",
+		},
+	},
+	{
+		.name = "SERIAL_MODE0",
+		.pin = {
+			.gpio = AT91_PIN_PC23,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "serial-mode",
+		},
+	},
+	{
+		.name = "SERIAL_MODE1",
+		.pin = {
+			.gpio = AT91_PIN_PC24,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "serial-mode",
+		},
+	},
+	{
+		.name = "SERIAL_MODE2",
+		.pin = {
+			.gpio = AT91_PIN_PC25,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "serial-mode",
+		},
+	},
+	{
+		.name = "RS4XX_TERM_RES",
+		.pin = {
+			.gpio = AT91_PIN_PC26,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "rs4xx-term-res",
+		},
+	},
+	{
+		.name = "NDC_GPIO1",
+		.pin = {
+			.gpio = AT91_PIN_PC0,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "dc-gpio1",
+		},
+	},
+	{
+		.name = "NDC_GPIO2",
+		.pin = {
+			.gpio = AT91_PIN_PC14,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "dc-gpio2",
+		},
+	},
+	{
+		.name = "NDC_GPIO3",
+		.pin = {
+			.gpio = AT91_PIN_PC29,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "dc-gpio3",
+		},
+	},
+	{
+		.name = "NDC_GPIO4",
+		.pin = {
+			.gpio = AT91_PIN_PC30,
+			.flags = GPIOF_OUT_INIT_LOW,
+			.label = "dc-gpio4",
+		},
+	},
+	{
+		.name = "NDC_INTERRUPT1",
+		.pin = {
+			.gpio = AT91_PIN_PC20,
+			.flags = GPIOF_IN,
+			.label = "dc-int1",
+		},
+	},
+	{
+		.name = "NDC_INTERRUPT2",
+		.pin = {
+			.gpio = AT91_PIN_PC21,
+			.flags = GPIOF_IN,
+			.label = "dc-int2",
+		},
+	},
+	{ },
+};
+
+/* MTOCGD2 specific functions */
+static ssize_t mts_attr_show_serial_mode(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int ret;
+	int smode0;
+	int smode1;
+	int smode2;
+
+	struct gpio_pin *pin_smode0 = gpio_pin_by_name("SERIAL_MODE0");
+	struct gpio_pin *pin_smode1 = gpio_pin_by_name("SERIAL_MODE1");
+	struct gpio_pin *pin_smode2 = gpio_pin_by_name("SERIAL_MODE2");
+
+	if (!pin_smode0 || !pin_smode1 || !pin_smode2)
+		return -ENODEV;
+
+	mutex_lock(&mts_io_mutex);
+
+	smode0 = gpio_get_value(pin_smode0->pin.gpio);
+	smode1 = gpio_get_value(pin_smode1->pin.gpio);
+	smode2 = gpio_get_value(pin_smode2->pin.gpio);
+
+	if (smode2 == 0 && smode1 == 0 && smode0 == 1)
+		ret = sprintf(buf, "rs232\n");
+	else if (smode2 == 0 && smode1 == 1 && smode0 == 0)
+		ret = sprintf(buf, "rs485\n");
+	else if (smode2 == 1 && smode1 == 0 && smode0 == 0)
+		ret = sprintf(buf, "rs422\n");
+	else if (smode2 == 0 && smode1 == 0 && smode0 == 0)
+		ret = sprintf(buf, "loopback\n");
+	else
+		ret = sprintf(buf, "error\n");
+
+	mutex_unlock(&mts_io_mutex);
+
+	return ret;
+}
+
+static ssize_t mts_attr_store_serial_mode(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int smode0;
+	int smode1;
+	int smode2;
+	struct gpio_pin *pin_smode0 = gpio_pin_by_name("SERIAL_MODE0");
+	struct gpio_pin *pin_smode1 = gpio_pin_by_name("SERIAL_MODE1");
+	struct gpio_pin *pin_smode2 = gpio_pin_by_name("SERIAL_MODE2");
+
+	if (!pin_smode0 || !pin_smode1 || !pin_smode2)
+		return -ENODEV;
+
+	if (!strcasecmp(buf, "rs232")) {
+		smode2 = 0;
+		smode1 = 0;
+		smode0 = 1;
+	}
+	else if (!strcasecmp(buf, "rs485")) {
+		smode2 = 0;
+		smode1 = 1;
+		smode0 = 0;
+	}
+	else if (!strcasecmp(buf, "rs422")) {
+		smode2 = 1;
+		smode1 = 0;
+		smode0 = 0;
+	}
+	else if (!strcasecmp(buf, "loopback")) {
+		smode2 = 0;
+		smode1 = 0;
+		smode0 = 0;
+	}
+	else  {
+		return -EINVAL;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	gpio_set_value(pin_smode2->pin.gpio, smode2);
+	gpio_set_value(pin_smode1->pin.gpio, smode1);
+	gpio_set_value(pin_smode0->pin.gpio, smode0);
+
+	mutex_unlock(&mts_io_mutex);
+
+	return count;
+}
+
+/* MTOCGD2 specific attributes */
+static DEVICE_ATTR_MTS(dev_attr_serial_mode, "serial-mode",
+	mts_attr_show_serial_mode, mts_attr_store_serial_mode);
+static DEVICE_ATTR_MTS(dev_attr_eth_switch_enabled, "eth-switch-enabled",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_rs4xx_term_res, "rs4xx-term-res",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+static struct attribute *mtr2_platform_attributes[] = {
+	&dev_attr_vendor_id.attr,
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
+	&dev_attr_imei.attr,
+	&dev_attr_eth_mac.attr,
+	&dev_attr_wifi_mac.attr,
+	&dev_attr_reset.attr,
+	&dev_attr_reset_monitor.attr,
+	&dev_attr_radio_power.attr,
+	&dev_attr_radio_reset.attr,
+	&dev_attr_ndc_reset.attr,
+	&dev_attr_extserial_dtr.attr,
+	&dev_attr_extserial_dsr_gpio.attr,
+	&dev_attr_extserial_ri_gpio.attr,
+	&dev_attr_extserial_dcd_gpio.attr,
+	&dev_attr_eth_switch_enabled.attr,
+	&dev_attr_bt_enabled.attr,
+	&dev_attr_wlan_enabled.attr,
+
+	&dev_attr_serial_mode.attr,
+	&dev_attr_rs4xx_term_res.attr,
+
+	&dev_attr_led_status.attr,
+	&dev_attr_led_wifi_gpio.attr,
+	&dev_attr_led_cd_gpio.attr,
+	&dev_attr_led_sig1_gpio.attr,
+	&dev_attr_led_sig2_gpio.attr,
+	&dev_attr_led_sig3_gpio.attr,
+
+	&dev_attr_led_a_gpio.attr,
+	&dev_attr_led_b_gpio.attr,
+	&dev_attr_led_c_gpio.attr,
+	&dev_attr_led_d_gpio.attr,
+	&dev_attr_led_e_gpio.attr,
+	&dev_attr_led_f_gpio.attr,
+
+	&dev_attr_board_temperature.attr,
+
+	/* extra space for the daughter card attributes */
+	NULL,	    // index 34
+	NULL,	    // index 35
+	NULL,	    // index 36
+	NULL,	    // index 37
+	NULL,	    // index 38
+	NULL,	    // index 39
+	NULL,	    // index 40
+	NULL,	    // index 41
+	NULL,	    // index 42
+	NULL,	    // index 43
+	NULL,	    // index 44
+	NULL,	    // index 45
+	NULL,	    // index 46
+	NULL,	    // index 47
+	NULL,	    // index 48
+	NULL,	    // index 49
+	NULL,	    // index 50
+	NULL,	    // index 51
+	NULL,
+};
+
+static struct attribute *mtr2_daughter_card_attributes[] = {
+	&dev_attr_dc_din0.attr,
+	&dev_attr_dc_din1.attr,
+	&dev_attr_dc_din2.attr,
+	&dev_attr_dc_din3.attr,
+
+	&dev_attr_dc_dout0.attr,
+	&dev_attr_dc_dout1.attr,
+	&dev_attr_dc_dout2.attr,
+	&dev_attr_dc_dout3.attr,
+
+	&dev_attr_dc_adc0.attr,
+	&dev_attr_dc_adc1.attr,
+	&dev_attr_dc_adc2.attr,
+
+	&dev_attr_dc_led1.attr,
+	&dev_attr_dc_led2.attr,
+	&dev_attr_dc_oe.attr,
+
+	NULL,
+};
+
+static bool mtr2_add_daughter_card_attributes(void)
+{
+	size_t platform_attrs_size = sizeof(mtr2_platform_attributes) / sizeof(struct attribute *);
+	size_t daughter_card_attrs_size = sizeof(mtr2_daughter_card_attributes) / sizeof(struct attribute *);
+	size_t platform_attrs_index;
+	size_t daughter_card_attrs_index;
+	size_t copy_length = daughter_card_attrs_size - 1; /* don't need to copy the NULL at the end */
+
+	for (platform_attrs_index = 0; platform_attrs_index < platform_attrs_size; platform_attrs_index++) {
+		if (! mtr2_platform_attributes[platform_attrs_index]) {
+			break;
+		}
+	}
+
+	if (platform_attrs_size < platform_attrs_index + daughter_card_attrs_size) {
+		log_error("not enough room for MTR2 daughter card attributes!");
+		return false;
+	}
+
+	for (daughter_card_attrs_index = 0; daughter_card_attrs_index < copy_length; daughter_card_attrs_index++, platform_attrs_index++) {
+		mtr2_platform_attributes[platform_attrs_index] = mtr2_daughter_card_attributes[daughter_card_attrs_index];
+	}
+
+	return true;
+}
+
+static struct attribute_group mtr2_platform_attribute_group = {
+	.attrs = mtr2_platform_attributes
+};
diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index 79351fa..1f641d9 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -1,7 +1,7 @@
 /*
  * MTS-IO Controller
  *
- * Copyright (C) 2013 by Multi-Tech Systems
+ * Copyright (C) 2014 by Multi-Tech Systems
  *
  * Authors: James Maki <jmaki@multitech.com>
  *          Jesse Gilles <jgilles@multitech.com>
@@ -44,46 +44,14 @@
 
 #include "mts_io.h"
 
-#define DRIVER_VERSION	"v0.8.2"
+#define DRIVER_VERSION	"v0.9.1"
 #define DRIVER_AUTHOR	"James Maki <jmaki@multitech.com>"
 #define DRIVER_DESC	"MTS-IO Controller"
 #define DRIVER_NAME	"mts-io"
 
 #define PLATFORM_NAME	"mts-io"
 
-#define DEBUG		0
-
-#define __log(level, name, format, args...) \
-	printk(level "[" name "] " DRIVER_NAME ":%s:%d: " format "\n" , \
-			__func__ , __LINE__ , ## args)
-
-#define log_emerg(format, args...)	__log(KERN_EMERG, "EMERG", format , ## args)
-#define log_alert(format, args...)	__log(KERN_ALERT, "ALERT", format , ## args)
-#define log_crit(format, args...)	__log(KERN_CRIT, "CRIT", format , ## args)
-#define log_error(format, args...)	__log(KERN_ERR, "ERROR", format , ## args)
-#define log_warning(format, args...)	__log(KERN_WARNING, "WARNING", format , ## args)
-#define log_notice(format, args...)	__log(KERN_NOTICE, "NOTICE", format , ## args)
-#define log_info(format, args...)	__log(KERN_INFO, "INFO", format , ## args)
-#if DEBUG
-#  define log_debug(format, args...)	__log(KERN_DEBUG, "DEBUG", format , ## args)
-#else
-#  define log_debug(format, args...) do {} while (0)
-#endif
-
-#define LED_STATUS_CONTROLLABLE_MTCDP		0
 #define LED_LS_CONTROLLABLE		0
-#define USBH2_PS_CONTROLLABLE		0
-
-static int led_mode_status = LED_OFF;
-
-#define SOUT_LED_CD_BIT			BIT(0)
-#define SOUT_EXTSERIAL_RI_BIT		BIT(1)
-#define SOUT_EXTSERIAL_DSR_BIT		BIT(2)
-#define SOUT_LED_DTR			BIT(3)
-#define SOUT_LED_SIG1_BIT		BIT(4)
-#define SOUT_LED_SIG2_BIT		BIT(5)
-#define SOUT_LED_SIG3_BIT		BIT(6)
-#define SOUT_EXTSERIAL_DCD_BIT		BIT(7)
 
 #define AT91SAM9X5_BASE_ADC     0xf804c000
 
@@ -109,1253 +77,44 @@ static uint8_t has_spi_din;
 static uint8_t has_spi_dout;
 static uint8_t has_spi_temp;
 
+static struct platform_device *mts_io_platform_device;
 static struct attribute_group *attr_group;
-
 static struct gpio_pin *gpio_pins;
 
-/*
-static struct gpio_pin gpio_pins_mtcdp_0_0[] = {
-	{
-		.name = "ENIO",
-		.pin = AT91_PIN_PC15,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ETH0_ENABLED",
-		.attr_name = "eth0-enabled",
-		.pin = AT91_PIN_PB31,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "RADIO_RESET",
-		.attr_name = "radio-reset",
-		.pin = AT91_PIN_PB30,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "DEVICE_RESET",
-		.attr_name = "reset",
-		.pin = AT91_PIN_PA22,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "LS_LED",
-		.attr_name = "led-ls",
-		.pin = AT91_PIN_PC9,
-#if LED_LS_CONTROLLABLE
-		.direction = GPIO_DIR_OUTPUT,
-#else
-		.direction = GPIO_DIR_INPUT,
-#endif
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-#if LED_STATUS_CONTROLLABLE_MTCDP
-	{
-		.name = "STATUS_LED",
-		.attr_name = "led-status",
-		.pin = AT91_PIN_PA30,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-#endif
-	{
-		.name = "RSERSRC",
-		.attr_name = "rsersrc",
-		.pin = AT91_PIN_PC7,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "DTR1",
-		.attr_name = "extserial-dtr",
-		.pin = AT91_PIN_PC10,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{ },
-};
-
-static struct gpio_pin gpio_pins_mtcdp_1_0[] = {
-	{
-		.name = "ENIO",
-		.pin = AT91_PIN_PC15,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ETH0_ENABLED",
-		.attr_name = "eth0-enabled",
-		.pin = AT91_PIN_PB31,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "RADIO_RESET",
-		.attr_name = "radio-reset",
-		.pin = AT91_PIN_PB30,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "DEVICE_RESET",
-		.attr_name = "reset",
-		.pin = AT91_PIN_PA22,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "LS_LED",
-		.attr_name = "led-ls",
-		.pin = AT91_PIN_PC9,
-#if LED_LS_CONTROLLABLE
-		.direction = GPIO_DIR_OUTPUT,
-#else
-		.direction = GPIO_DIR_INPUT,
-#endif
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-#if LED_STATUS_CONTROLLABLE_MTCDP
-	{
-		.name = "STATUS_LED",
-		.attr_name = "led-status",
-		.pin = AT91_PIN_PA30,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-#endif
-	{
-		.name = "RSERSRC",
-		.attr_name = "rsersrc",
-		.pin = AT91_PIN_PC7,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "TXD1",
-		.pin = AT91_PIN_PB17,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "DTR1",
-		.attr_name = "extserial-dtr",
-		.pin = AT91_PIN_PB18,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "USBH2_PS_OC",
-		.attr_name = "usbh2-ps-oc",
-		.pin = AT91_PIN_PB19,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-#if USBH2_PS_CONTROLLABLE
-	{
-		.name = "USBH2_PS_ENABLED",
-		.attr_name = "usbh2-ps-enabled",
-		.pin = AT91_PIN_PB20,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-#endif
-	{
-		.name = "NDC_RESET",
-		.attr_name = "ndc-reset",
-		.pin = AT91_PIN_PB21,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC0",
-		.pin = AT91_PIN_PC0,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC1",
-		.pin = AT91_PIN_PC1,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC2",
-		.pin = AT91_PIN_PC2,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC3",
-		.pin = AT91_PIN_PC3,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{ },
-};
-
-static struct gpio_pin gpio_pins_mt100eocg_0_0[] = {
-	{
-		.name = "ENIO",
-		.pin = AT91_PIN_PC15,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ETH0_ENABLED",
-		.attr_name = "eth0-enabled",
-		.pin = AT91_PIN_PB31,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "RADIO_RESET",
-		.attr_name = "radio-reset",
-		.pin = AT91_PIN_PB30,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-	},
-	{
-		.name = "DEVICE_RESET",
-		.attr_name = "reset",
-		.pin = AT91_PIN_PA22,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "LED3",
-		.attr_name = "led3",
-		.pin = AT91_PIN_PC9,
-#if LED_LS_CONTROLLABLE
-		.direction = GPIO_DIR_OUTPUT,
-#else
-		.direction = GPIO_DIR_INPUT,
-#endif
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "LED2",
-		.attr_name = "led2",
-		.pin = AT91_PIN_PA30,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "RSERSRC",
-		.attr_name = "rsersrc",
-		.pin = AT91_PIN_PC7,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "TXD1",
-		.pin = AT91_PIN_PB17,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "DTR1",
-		.attr_name = "extserial-dtr",
-		.pin = AT91_PIN_PB18,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "DCD1",
-		.attr_name = "extserial-dcd",
-		.pin = AT91_PIN_PB3,
-		.direction = GPIO_DIR_OUTPUT,
-		.output_value = 1,
-		.use_pullup = 0,
-		.active_low = 1,
-	},
-	{
-		.name = "GPIO11",
-		.attr_name = "gpio11",
-		.pin = AT91_PIN_PB19,
-		.direction = GPIO_DIR_OD,
-		.output_value = 1,
-		.use_pullup = 1,
-	},
-	{
-		.name = "GPIO12",
-		.attr_name = "gpio12",
-		.pin = AT91_PIN_PB20,
-		.direction = GPIO_DIR_OD,
-		.output_value = 1,
-		.use_pullup = 1,
-	},
-	{
-		.name = "ADC0",
-		.pin = AT91_PIN_PC0,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC1",
-		.pin = AT91_PIN_PC1,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC2",
-		.pin = AT91_PIN_PC2,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{
-		.name = "ADC3",
-		.pin = AT91_PIN_PC3,
-		.direction = GPIO_DIR_INPUT,
-		.output_value = 0,
-		.use_pullup = 0,
-	},
-	{ },
-};
-*/
-
-static struct gpio_pin gpio_pins_mtr2_0_0[] = {
-	{
-		.name = "NETH_RST",
-		.pin = {
-			.gpio = AT91_PIN_PC6,
-			.flags = GPIOF_OPEN_DRAIN | GPIOF_INIT_HIGH,
-			.label = "eth-switch-enabled",
-		},
-	},
-	{
-		.name = "RADIO_RESET",
-		.pin = {
-			.gpio = AT91_PIN_PC5,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "radio-reset",
-		},
-	},
-	{
-		.name = "RADIO_RESET",
-		.pin = {
-			.gpio = AT91_PIN_PC5,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "radio-power",
-		},
-	},
-	{
-		.name = "DEVICE_RESET",
-		.pin = {
-			.gpio = AT91_PIN_PC4,
-			.flags = GPIOF_IN,
-			.label = "reset",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LS_LED",
-		.pin = {
-			.gpio = AT91_PIN_PA14,
-#if LED_LS_CONTROLLABLE
-			.flags = GPIOF_OUT_INIT_HIGH,
-#else
-			.flags = GPIOF_IN,
-#endif
-			.label = "led-ls",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "STATUS_LED",
-		.pin = {
-			.gpio = AT91_PIN_PA24,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "led-status",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED7",
-		.pin = {
-			.gpio = AT91_PIN_PA25,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-cd",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED7",
-		.pin = {
-			.gpio = AT91_PIN_PA25,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-c",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED10",
-		.pin = {
-			.gpio = AT91_PIN_PA26,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig1",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED10",
-		.pin = {
-			.gpio = AT91_PIN_PA26,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-d",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED11",
-		.pin = {
-			.gpio = AT91_PIN_PA27,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig2",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED11",
-		.pin = {
-			.gpio = AT91_PIN_PA27,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-e",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED12",
-		.pin = {
-			.gpio = AT91_PIN_PA28,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig3",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED12",
-		.pin = {
-			.gpio = AT91_PIN_PA28,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-f",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED13",
-		.pin = {
-			.gpio = AT91_PIN_PA29,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-wifi",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED13",
-		.pin = {
-			.gpio = AT91_PIN_PA29,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-b",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "UART3_DTR",
-		.pin = {
-			.gpio = AT91_PIN_PC12,
-			.flags = GPIOF_IN,
-			.label = "extserial-dtr",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "UART3_DSR",
-		.pin = {
-			.gpio = AT91_PIN_PC11,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-dsr",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "UART3_DCD",
-		.pin = {
-			.gpio = AT91_PIN_PC10,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-dcd",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "UART3_RI",
-		.pin = {
-			.gpio = AT91_PIN_PC13,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-ri",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "NDC_RESET",
-		.pin = {
-			.gpio = AT91_PIN_PC3,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "ndc-reset",
-		},
-	},
-	{
-		.name = "NDC_EEPROM_WRITE_PROTECT",
-		.pin = {
-			.gpio = AT91_PIN_PC26,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "ndc-eeprom-wp",
-		},
-	},
-	{
-		.name = "BT_EN",
-		.pin = {
-			.gpio = AT91_PIN_PD21,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "bt-enabled",
-		},
-	},
-	{
-		.name = "WLAN_EN",
-		.pin = {
-			.gpio = AT91_PIN_PC1,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "wlan-enabled",
-		},
-	},
-	{
-		.name = "SERIAL_MODE0",
-		.pin = {
-			.gpio = AT91_PIN_PC23,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "serial-mode",
-		},
-	},
-	{
-		.name = "SERIAL_MODE1",
-		.pin = {
-			.gpio = AT91_PIN_PC24,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "serial-mode",
-		},
-	},
-	{
-		.name = "SERIAL_MODE2",
-		.pin = {
-			.gpio = AT91_PIN_PC25,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "serial-mode",
-		},
-	},
-	{
-		.name = "RS4XX_TERM_RES",
-		.pin = {
-			.gpio = AT91_PIN_PC26,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "rs4xx-term-res",
-		},
-	},
-	{
-		.name = "NDC_GPIO1",
-		.pin = {
-			.gpio = AT91_PIN_PC0,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "dc-gpio1",
-		},
-	},
-	{
-		.name = "NDC_GPIO2",
-		.pin = {
-			.gpio = AT91_PIN_PC14,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "dc-gpio2",
-		},
-	},
-	{
-		.name = "NDC_GPIO3",
-		.pin = {
-			.gpio = AT91_PIN_PC29,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "dc-gpio3",
-		},
-	},
-	{
-		.name = "NDC_GPIO4",
-		.pin = {
-			.gpio = AT91_PIN_PC30,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "dc-gpio4",
-		},
-	},
-	{
-		.name = "NDC_INTERRUPT1",
-		.pin = {
-			.gpio = AT91_PIN_PC20,
-			.flags = GPIOF_IN,
-			.label = "dc-int1",
-		},
-	},
-	{
-		.name = "NDC_INTERRUPT2",
-		.pin = {
-			.gpio = AT91_PIN_PC21,
-			.flags = GPIOF_IN,
-			.label = "dc-int2",
-		},
-	},
-	{ },
-};
-
-static struct gpio_pin gpio_pins_mtr_0_0[] = {
-	{
-		.name = "NETH_RST",
-		.pin = {
-			.gpio = AT91_PIN_PC6,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "eth0-enabled",
-		},
-	},
-	{
-		.name = "PWRMON",
-		.pin = {
-			.gpio = AT91_PIN_PA23,
-			.flags = GPIOF_IN,
-			.label = "radio-power",
-		},
-	},
-	{
-		.name = "3G_RST",
-		.pin = {
-			.gpio = AT91_PIN_PA22,
-			.flags = GPIOF_OPEN_DRAIN | GPIOF_INIT_HIGH,
-			.label = "radio-reset",
-		},
-	},
-	{
-		.name = "3G_ONOFF",
-		.pin = {
-			.gpio = AT91_PIN_PA21,
-			.flags = GPIOF_OPEN_DRAIN | GPIOF_INIT_HIGH,
-			.label = "radio-enabled",
-		},
-	},
-	{
-		.name = "DEVICE_RESET",
-		.pin = {
-			.gpio = AT91_PIN_PC4,
-			.flags = GPIOF_IN,
-			.label = "reset",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LS_LED",
-		.pin = {
-			.gpio = AT91_PIN_PC16,
-#if LED_LS_CONTROLLABLE
-			.flags = GPIOF_OUT_INIT_HIGH,
-#else
-			.flags = GPIOF_IN,
-#endif
-			.label = "led-ls",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "STATUS_LED",
-		.pin = {
-			.gpio = AT91_PIN_PC21,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "led-status",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED3",
-		.pin = {
-			.gpio = AT91_PIN_PC15,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-wifi",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED3",
-		.pin = {
-			.gpio = AT91_PIN_PC15,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-b",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED4",
-		.pin = {
-			.gpio = AT91_PIN_PC20,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-cd",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED4",
-		.pin = {
-			.gpio = AT91_PIN_PC20,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-c",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED6",
-		.pin = {
-			.gpio = AT91_PIN_PC19,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig1",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED6",
-		.pin = {
-			.gpio = AT91_PIN_PC19,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-d",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED7",
-		.pin = {
-			.gpio = AT91_PIN_PC18,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig2",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED7",
-		.pin = {
-			.gpio = AT91_PIN_PC18,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-e",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED8",
-		.pin = {
-			.gpio = AT91_PIN_PC17,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig3",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED8",
-		.pin = {
-			.gpio = AT91_PIN_PC17,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-f",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "RI_B",
-		.pin = {
-			.gpio = AT91_PIN_PC25,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-ri",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "DTR_B",
-		.pin = {
-			.gpio = AT91_PIN_PC26,
-			.flags = GPIOF_IN,
-			.label = "extserial-dtr",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "DSR_B",
-		.pin = {
-			.gpio = AT91_PIN_PC27,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-dsr",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "DCD_B",
-		.pin = {
-			.gpio = AT91_PIN_PC28,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-dcd",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "BT_EN",
-		.pin = {
-			.gpio = AT91_PIN_PA28,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "bt-enabled",
-		},
-	},
-	{
-		.name = "WLAN_EN",
-		.pin = {
-			.gpio = AT91_PIN_PA27,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "wlan-enabled",
-		},
-	},
-	{ },
-};
-
-static struct gpio_pin gpio_pins_mtr_0_1[] = {
-	{
-		.name = "NETH_RST",
-		.pin = {
-			.gpio = AT91_PIN_PC6,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "eth0-enabled",
-		},
-	},
-	{
-		.name = "PWRMON",
-		.pin = {
-			.gpio = AT91_PIN_PA23,
-			.flags = GPIOF_IN,
-			.label = "radio-power",
-		},
-	},
-	{
-		.name = "3G_RST",
-		.pin = {
-			.gpio = AT91_PIN_PA22,
-			.flags = GPIOF_OUT_INIT_HIGH | GPIOF_PULLUP,
-			.label = "radio-reset",
-		},
-	},
-	{
-		.name = "3G_ONOFF",
-		.pin = {
-			.gpio = AT91_PIN_PA21,
-			.flags = GPIOF_OUT_INIT_HIGH | GPIOF_PULLUP,
-			.label = "radio-enabled",
-		},
-	},
-	{
-		.name = "DEVICE_RESET",
-		.pin = {
-			.gpio = AT91_PIN_PC4,
-			.flags = GPIOF_IN,
-			.label = "reset",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LS_LED",
-		.pin = {
-			.gpio = AT91_PIN_PC16,
-#if LED_LS_CONTROLLABLE
-			.flags = GPIOF_OUT_INIT_HIGH,
-#else
-			.flags = GPIOF_IN,
-#endif
-			.label = "led-ls",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "STATUS_LED",
-		.pin = {
-			.gpio = AT91_PIN_PC21,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "led-status",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED3",
-		.pin = {
-			.gpio = AT91_PIN_PC15,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-wifi",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED3",
-		.pin = {
-			.gpio = AT91_PIN_PC15,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-b",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED4",
-		.pin = {
-			.gpio = AT91_PIN_PC20,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-cd",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED4",
-		.pin = {
-			.gpio = AT91_PIN_PC20,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-c",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED6",
-		.pin = {
-			.gpio = AT91_PIN_PC19,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig1",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED6",
-		.pin = {
-			.gpio = AT91_PIN_PC19,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-d",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED7",
-		.pin = {
-			.gpio = AT91_PIN_PC18,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig2",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED7",
-		.pin = {
-			.gpio = AT91_PIN_PC18,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-e",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED8",
-		.pin = {
-			.gpio = AT91_PIN_PC17,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-sig3",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "LED8",
-		.pin = {
-			.gpio = AT91_PIN_PC17,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "led-f",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "RI_B",
-		.pin = {
-			.gpio = AT91_PIN_PC25,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-ri",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "DTR_B",
-		.pin = {
-			.gpio = AT91_PIN_PC26,
-			.flags = GPIOF_IN,
-			.label = "extserial-dtr",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "DSR_B",
-		.pin = {
-			.gpio = AT91_PIN_PC27,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-dsr",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "DCD_B",
-		.pin = {
-			.gpio = AT91_PIN_PC28,
-			.flags = GPIOF_OUT_INIT_HIGH,
-			.label = "extserial-dcd",
-		},
-		.active_low = 1,
-	},
-	{
-		.name = "BT_EN",
-		.pin = {
-			.gpio = AT91_PIN_PA28,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "bt-enabled",
-		},
-	},
-	{
-		.name = "WLAN_EN",
-		.pin = {
-			.gpio = AT91_PIN_PA27,
-			.flags = GPIOF_OUT_INIT_LOW,
-			.label = "wlan-enabled",
-		},
-	},
-	{ },
-};
-
-struct gpio_pin *gpio_pin_by_name(const char *name) {
-	struct gpio_pin *pin;
-
-	for (pin = gpio_pins; *pin->name; pin++) {
-		if (!strcmp(pin->name, name)) {
-			return pin;
-		}
-	}
-
-	log_error("pin named %s not found", name);
-
-	return NULL;
-}
-
-struct gpio_pin *gpio_pin_by_attr_name(const char *name) {
-	struct gpio_pin *pin;
-
-	for (pin = gpio_pins; *pin->name; pin++) {
-		if (!strcmp(pin->pin.label, name)) {
-			return pin;
-		}
-	}
-
-	log_error("pin with attr name %s not found", name);
-
-	return NULL;
-}
-
-
-static struct spi_device *spi_sout_dev;
-static u8 spi_sout_value;
-static DEFINE_MUTEX(spi_sout_mutex);
-static unsigned int sout_max_speed_hz = 1 * 1000 * 1000;
-module_param(sout_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	sout_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 1 MHz)"
-);
-
-static struct spi_device *spi_dout_dev;
-static u8 spi_dout_value;
-static DEFINE_MUTEX(spi_dout_mutex);
-static unsigned int dout_max_speed_hz = 1 * 1000 * 1000;
-module_param(dout_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	dout_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 1 MHz)"
-);
-
-static struct spi_device *spi_din_dev;
-static unsigned int din_max_speed_hz = 1 * 1000 * 1000;
-module_param(din_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	din_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 1 MHz)"
-);
-
-static struct spi_device *spi_dc_dout_dev;
-static u8 spi_dc_dout_value;
-static DEFINE_MUTEX(spi_dc_dout_mutex);
-static unsigned int dc_dout_max_speed_hz = 1 * 1000 * 1000;
-module_param(dc_dout_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	dc_dout_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 1 MHz)"
-);
-
-static struct spi_device *spi_dc_din_dev;
-static unsigned int dc_din_max_speed_hz = 1 * 1000 * 1000;
-module_param(dc_din_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	dc_din_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 1 MHz)"
-);
-
-static struct spi_device *spi_dc_adc_dev;
-static unsigned int dc_adc_max_speed_hz = 20 * 1000 * 1000;
-module_param(dc_adc_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	dc_adc_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 20 MHz)"
-);
-
-static struct spi_device *spi_board_temp_dev;
-static unsigned int board_temp_max_speed_hz = 1 * 1000 * 1000;
-module_param(board_temp_max_speed_hz, uint, S_IRUGO);
-MODULE_PARM_DESC(
-	board_temp_max_speed_hz,
-	"Maximum clock rate to be used with this device (default: 1 MHz)"
-);
-
-static inline int spi_writen(struct spi_device *spi, const u8 *buf, size_t len)
-{
-	int tmp;
-	u8 *tx;
-
-	tx = kmalloc(len, GFP_KERNEL);
-	if (!tx) {
-		return -ENOMEM;
-	}
-
-	memcpy(tx, buf, len);
-	tmp = spi_write(spi, tx, len);
+static DEFINE_MUTEX(mts_io_mutex);
 
-	kfree(tx);
+/* generic GPIO support */
+#include "gpio.c"
 
-	return tmp;
-}
+/* AT91 built-in ADC */
+#include "adc.c"
 
-static inline int spi_readn(struct spi_device *spi, u8 *buf, size_t len)
-{
-	int tmp;
-	u8 *rx;
+/* SPI-based stuff */
+#include "spi.c"
 
-	rx = kmalloc(len, GFP_KERNEL);
-	if (!rx) {
-		return -ENOMEM;
-	}
+/* accessory card support */
+#include "mtdc_gpiob.c"
 
-	tmp = spi_read(spi, rx, len);
-	memcpy(buf, rx, len);
-
-	kfree(rx);
-
-	return tmp;
-}
+/* telit radio reset handling */
+#include "telit_radio.c"
 
-#define ADC_SHTIME_DEFAULT			0x05
-#define ADC_STARTUP_DEFAULT			0x04
-#define ADC_PRESCALE_DEFAULT			0x3F
-#define ADC_MODE_DEFAULT \
-	((ADC_SHTIME_DEFAULT & 0x0F) << 24) | \
-	((ADC_STARTUP_DEFAULT & 0x1F) << 16) | \
-	((ADC_PRESCALE_DEFAULT & 0x3F) << 8)
-
-#define ADC_CR_OFFSET			0x00
-#define ADC_MR_OFFSET			0x04
-#define ADC_CHER_OFFSET			0x10
-#define ADC_CHDR_OFFSET			0x14
-#define ADC_CHSR_OFFSET			0x18
-#define ADC_SR_OFFSET			0x1C
-#define ADC_LDCR_OFFSET			0x20
-#define ADC_IER_OFFSET			0x14
-#define ADC_IDR_OFFSET			0x28
-#define ADC_IMR_OFFSET			0x2C
-#define ADC_CDR0_OFFSET			0x30
-#define ADC_CDR1_OFFSET			0x34
-#define ADC_CDR2_OFFSET			0x38
-#define ADC_CDR3_OFFSET			0x3C
-
-void __iomem *adc_base;
-struct clk *adc_clk;
-
-#define ADC_CONVERT_RESET(base)			writel(0x01, (base) + ADC_CR_OFFSET)
-#define ADC_CONVERT_START(base)			writel(0x02, (base) + ADC_CR_OFFSET)
-
-#define BLINK_PER_SEC		8
-#define BLINK_INTERVAL		(HZ / BLINK_PER_SEC)
-#define RESET_HOLD_COUNT	(BLINK_PER_SEC * 3)
-#define RESET_LONG_HOLD_COUNT   (BLINK_PER_SEC * 30)
+/* reset button handling */
+#define RESET_CHECK_PER_SEC		8
+#define RESET_INTERVAL		(HZ / RESET_CHECK_PER_SEC)
+#define RESET_HOLD_COUNT	(RESET_CHECK_PER_SEC * 3)
+#define RESET_LONG_HOLD_COUNT   (RESET_CHECK_PER_SEC * 30)
 
 static pid_t reset_pid = -1;
 static pid_t reset_count = 0;
 static int reset_short_signal = SIGUSR1;
 static int reset_long_signal = SIGUSR2;
 static int reset_extra_long_signal = SIGHUP;
-static DEFINE_MUTEX(mts_io_mutex);
 
-static void blink_callback(struct work_struct *ignored);
+static void reset_callback(struct work_struct *ignored);
 
-static DECLARE_DELAYED_WORK(blink_work, blink_callback);
+static DECLARE_DELAYED_WORK(reset_work, reset_callback);
 
-static void blink_callback(struct work_struct *ignored)
+static void reset_callback(struct work_struct *ignored)
 {
 	struct gpio_pin *pin;
 	int reset_pressed = 0;
@@ -1394,205 +153,66 @@ static void blink_callback(struct work_struct *ignored)
 		reset_count = 0;
 	}
 
-	if (led_mode_status == LED_FLASHING) {
-		pin = gpio_pin_by_name("STATUS_LED");
-		if (pin) {
-			gpio_set_value(pin->pin.gpio, !gpio_get_value(pin->pin.gpio));
-		}
-	}
-
 	mutex_unlock(&mts_io_mutex);
 
-	schedule_delayed_work(&blink_work, BLINK_INTERVAL);
+	schedule_delayed_work(&reset_work, RESET_INTERVAL);
 }
 
-static int radio_off_telit(void)
+static ssize_t mts_attr_show_reset_monitor(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
 {
-	int value, ret;
-	struct gpio_pin *pwrmon_pin = gpio_pin_by_name("PWRMON");
-	struct gpio_pin *onoff_pin = gpio_pin_by_name("3G_ONOFF");
-	struct gpio_pin *rst_pin = gpio_pin_by_name("3G_RST");
-
-	if (!onoff_pin || !pwrmon_pin || !rst_pin) {
-		return -ENODEV;
-	}
-
-	value = gpio_get_value(pwrmon_pin->pin.gpio);
-	if(value == 0) {
-		log_error("radio is already off");
-		return -EINVAL;
-	}
-
-	// drive on/off pin low for at least 3 sec
-	log_info("shutting down radio");
-	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 0, onoff_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	msleep(3500);
-
-	// set on/off pin high
-	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 1, onoff_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	// wait for radio to power off
-	msleep(5000);
+	int ret;
 
-	// check that power is low
-	value = gpio_get_value(pwrmon_pin->pin.gpio);
-	if(value != 0) {
-		log_warning("radio is still on. performing radio reset.");
-		//Perform Hard Reset
-		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 0, rst_pin->pin.flags & GPIOF_PULLUP);
-		if (ret) {
-			return ret;
-		}
+	mutex_lock(&mts_io_mutex);
 
-		msleep(500);
+	ret = sprintf(buf, "%d %d %d %d\n", reset_pid, reset_short_signal, reset_long_signal, reset_extra_long_signal);
 
-		// set pin high
-		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 1, rst_pin->pin.flags & GPIOF_PULLUP);
-		if (ret) {
-			return ret;
-		}
-	} else {
-		log_info("radio has been shut down");
-	}
+	mutex_unlock(&mts_io_mutex);
 
 	return ret;
 }
 
-static int radio_on_telit(void)
+static ssize_t mts_attr_store_reset_monitor(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
 {
-	int value, ret;
-	struct gpio_pin *pwrmon_pin = gpio_pin_by_name("PWRMON");
-	struct gpio_pin *onoff_pin = gpio_pin_by_name("3G_ONOFF");
-	struct gpio_pin *rst_pin = gpio_pin_by_name("3G_RST");
-
-	if (!onoff_pin || !pwrmon_pin || !rst_pin) {
-		return -ENODEV;
-	}
+	pid_t pid;
+	int short_signal;
+	int long_signal;
+	int extra_long_signal;
+	int result = sscanf(buf, "%i %i %i %i", &pid, &short_signal, &long_signal, &extra_long_signal);
 
-	value = gpio_get_value(pwrmon_pin->pin.gpio);
-	if(value != 0) {
-		log_error("radio is already on");
+	if (result < 3 || result > 4) {
 		return -EINVAL;
 	}
 
-	// drive on/off pin low for at least 5 sec
-	log_info("turning on radio");
-	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 0, onoff_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	msleep(5500);
-
-	// set on/off pin high
-	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 1, onoff_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	msleep(200);
-
-	// check that power is high
-	value = gpio_get_value(pwrmon_pin->pin.gpio);
-	if(value == 0) {
-		log_warning("radio is still off. performing radio reset");
-		//Perform Hard Reset
-		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 0, rst_pin->pin.flags & GPIOF_PULLUP);
-		if (ret) {
-			return ret;
-		}
-
-		msleep(500);
-
-		// set pin high
-		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 1, rst_pin->pin.flags & GPIOF_PULLUP);
-		if (ret) {
-			return ret;
-		}
-	} else {
-		log_info("radio has been turned on");
-	}
-
-	return ret;
-}
+        if(result == 3) {
+		mutex_lock(&mts_io_mutex);
 
-static ssize_t mts_attr_store_radio_power_telit(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	int err;
+		reset_pid = pid;
+		reset_short_signal = short_signal;
+		reset_long_signal = long_signal;
 
-	if (sscanf(buf, "%i", &value) != 1) {
-		return -EINVAL;
-	}
-	if (value == 0) {
-		mutex_lock(&mts_io_mutex);
-		err = radio_off_telit();
 		mutex_unlock(&mts_io_mutex);
 	} else {
 		mutex_lock(&mts_io_mutex);
-		err = radio_on_telit();
-		mutex_unlock(&mts_io_mutex);
-	}
 
-	if (err) {
-		return err;
+		reset_pid = pid;
+		reset_short_signal = short_signal;
+		reset_long_signal = long_signal;
+		reset_extra_long_signal = extra_long_signal;
+
+		mutex_unlock(&mts_io_mutex);
 	}
 
 	return count;
 }
 
-static int radio_reset_telit(void)
-{
-	int ret;
-	struct gpio_pin *rst_pin = gpio_pin_by_name("3G_RST");
-	struct gpio_pin *onoff_pin = gpio_pin_by_name("3G_ONOFF");
-
-	if (!rst_pin || !onoff_pin) {
-		return -ENODEV;
-	}
-
-	// drive reset pin low for 500ms
-	ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 0, rst_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	msleep(500);
-
-	// set pin high
-	ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 1, rst_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	// wait for 2 sec before toggling on/off pin
-	msleep(2000);
-
-	// drive on/off pin low for 6 sec
-	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 0, onoff_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	msleep(6000);
-
-	// set on/off pin high
-	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 1, onoff_pin->pin.flags & GPIOF_PULLUP);
-	if (ret) {
-		return ret;
-	}
-
-	return ret;
-}
+static DEVICE_ATTR_MTS(dev_attr_reset_monitor, "reset-monitor",
+	mts_attr_show_reset_monitor, mts_attr_store_reset_monitor);
+static DEVICE_ATTR_RO_MTS(dev_attr_reset, "reset", mts_attr_show_gpio_pin);
 
+/* generic peripheral reset functions */
 static int radio_reset(void)
 {
 	struct gpio_pin *pin = gpio_pin_by_name("RADIO_RESET");
@@ -1610,89 +230,6 @@ static int radio_reset(void)
 	return 0;
 }
 
-static int ndc_reset(void)
-{
-	struct gpio_pin *pin = gpio_pin_by_name("NDC_RESET");
-
-	if (!pin) {
-		return -ENODEV;
-	}
-
-	gpio_set_value(pin->pin.gpio, 0);
-
-	mdelay(1);
-
-	gpio_set_value(pin->pin.gpio, 1);
-
-	return 0;
-}
-
-static int ADT7302_to_celsius(int value)
-{
-	if (value & 0x2000) {
-		value = value - 16384;
-	}
-
-	value = value / 32 + 1 * ((value % 32) >= 16);
-
-	return value;
-}
-
-static ssize_t mts_attr_show_gpio_pin(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int value;
-	struct gpio_pin *pin = gpio_pin_by_attr_name(attr->attr.name);
-
-	if (!pin) {
-		return -ENODEV;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	value = gpio_get_value(pin->pin.gpio);
-
-	mutex_unlock(&mts_io_mutex);
-
-	if (value < 0) {
-		return value;
-	}
-
-	if (pin->active_low) {
-		value = !value;
-	}
-
-	return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t mts_attr_store_gpio_pin(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	struct gpio_pin *pin = gpio_pin_by_attr_name(attr->attr.name);
-
-	if (!pin) {
-		return -ENODEV;
-	}
-
-	if (sscanf(buf, "%i", &value) != 1) {
-		return -EINVAL;
-	}
-
-	if (pin->active_low) {
-		value = !value;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	gpio_set_value(pin->pin.gpio, value);
-
-	mutex_unlock(&mts_io_mutex);
-
-	return count;
-}
-
 static ssize_t mts_attr_store_radio_reset(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
@@ -1719,38 +256,23 @@ static ssize_t mts_attr_store_radio_reset(struct device *dev,
 	return count;
 }
 
-static ssize_t mts_attr_store_radio_reset_telit(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
+static int ndc_reset(void)
 {
-	int value;
-	int err;
+	struct gpio_pin *pin = gpio_pin_by_name("NDC_RESET");
 
-	if (sscanf(buf, "%i", &value) != 1) {
-		return -EINVAL;
-	}
-	if (value != 0) {
-		return -EINVAL;
+	if (!pin) {
+		return -ENODEV;
 	}
 
-	mutex_lock(&mts_io_mutex);
-
-	err = radio_reset_telit();
+	gpio_set_value(pin->pin.gpio, 0);
 
-	mutex_unlock(&mts_io_mutex);
+	mdelay(1);
 
-	if (err) {
-		return err;
-	}
+	gpio_set_value(pin->pin.gpio, 1);
 
-	return count;
+	return 0;
 }
 
-static DEVICE_ATTR_MTS(dev_attr_radio_power, "radio-power",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-static DEVICE_ATTR_MTS(dev_attr_radio_reset, "radio-reset",
-	mts_attr_show_gpio_pin, mts_attr_store_radio_reset);
-
 static ssize_t mts_attr_store_ndc_reset(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
@@ -1776,397 +298,35 @@ static ssize_t mts_attr_store_ndc_reset(struct device *dev,
 
 	return count;
 }
+
+static DEVICE_ATTR_MTS(dev_attr_radio_reset, "radio-reset",
+	mts_attr_show_gpio_pin, mts_attr_store_radio_reset);
 static DEVICE_ATTR_MTS(dev_attr_ndc_reset, "ndc-reset",
 	mts_attr_show_gpio_pin, mts_attr_store_ndc_reset);
 
+/* shared gpio attributes */
+static DEVICE_ATTR_MTS(dev_attr_radio_power, "radio-power",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
 static DEVICE_ATTR_MTS(dev_attr_eth0_enabled, "eth0-enabled",
 	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
 static DEVICE_ATTR_MTS(dev_attr_bt_enabled, "bt-enabled",
 	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
 static DEVICE_ATTR_MTS(dev_attr_wlan_enabled, "wlan-enabled",
 	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-static ssize_t mts_attr_store_sout(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	u8 bit;
-
-	if (!spi_sout_dev) {
-		log_notice("sout device not present");
-		return -ENODEV;
-	}
-
-	if (!strcmp(attr->attr.name, "extserial-ri")) {
-		bit = SOUT_EXTSERIAL_RI_BIT;
-	} else if (!strcmp(attr->attr.name, "extserial-dsr")) {
-		bit = SOUT_EXTSERIAL_DSR_BIT;
-	} else if (!strcmp(attr->attr.name, "extserial-dcd")) {
-		bit = SOUT_EXTSERIAL_DCD_BIT;
-	} else if (!strcmp(attr->attr.name, "led-cd") ||
-			!strcmp(attr->attr.name, "led-sdk-b")) {
-		bit = SOUT_LED_CD_BIT;
-	} else if (!strcmp(attr->attr.name, "led-dtr") ||
-			!strcmp(attr->attr.name, "led-sdk-f")) {
-		bit = SOUT_LED_DTR;
-	} else if (!strcmp(attr->attr.name, "led-sig1") ||
-			!strcmp(attr->attr.name, "led-sdk-c")) {
-		bit = SOUT_LED_SIG1_BIT;
-	} else if (!strcmp(attr->attr.name, "led-sig2") ||
-			!strcmp(attr->attr.name, "led-sdk-d")) {
-		bit = SOUT_LED_SIG2_BIT;
-	} else if (!strcmp(attr->attr.name, "led-sig3") ||
-			!strcmp(attr->attr.name, "led-sdk-e")) {
-		bit = SOUT_LED_SIG3_BIT;
-	} else {
-		log_notice("sout attr does not exist");
-		return -ENOENT;
-	}
-
-	if (sscanf(buf, "%i", &value) != 1) {
-		log_notice("sout attr invalid argument");
-		return -EINVAL;
-	}
-
-	mutex_lock(&spi_sout_mutex);
-
-	if (value) {
-		spi_sout_value &= ~bit;
-	} else {
-		spi_sout_value |= bit;
-	}
-	spi_writen(spi_sout_dev, &spi_sout_value, 1);
-
-	mutex_unlock(&spi_sout_mutex);
-
-	return count;
-}
-
-static ssize_t mts_attr_show_sout(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int value;
-	u8 bit;
-
-	if (!spi_sout_dev) {
-		log_error("sout device not present");
-		return -ENODEV;
-	}
-
-	if (!strcmp(attr->attr.name, "extserial-ri")) {
-		bit = SOUT_EXTSERIAL_RI_BIT;
-	} else if (!strcmp(attr->attr.name, "extserial-dsr")) {
-		bit = SOUT_EXTSERIAL_DSR_BIT;
-	} else if (!strcmp(attr->attr.name, "extserial-dcd")) {
-		bit = SOUT_EXTSERIAL_DCD_BIT;
-	} else if (!strcmp(attr->attr.name, "led-cd") ||
-			!strcmp(attr->attr.name, "led-sdk-b")) {
-		bit = SOUT_LED_CD_BIT;
-	} else if (!strcmp(attr->attr.name, "led-dtr") ||
-			!strcmp(attr->attr.name, "led-sdk-f")) {
-		bit = SOUT_LED_DTR;
-	} else if (!strcmp(attr->attr.name, "led-sig1") ||
-			!strcmp(attr->attr.name, "led-sdk-c")) {
-		bit = SOUT_LED_SIG1_BIT;
-	} else if (!strcmp(attr->attr.name, "led-sig2") ||
-			!strcmp(attr->attr.name, "led-sdk-d")) {
-		bit = SOUT_LED_SIG2_BIT;
-	} else if (!strcmp(attr->attr.name, "led-sig3") ||
-			!strcmp(attr->attr.name, "led-sdk-e")) {
-		bit = SOUT_LED_SIG3_BIT;
-	} else {
-		log_notice("sout attr does not exist");
-		return -ENOENT;
-	}
-
-	mutex_lock(&spi_sout_mutex);
-
-	value = spi_sout_value & bit ? 0 : 1;
-
-	mutex_unlock(&spi_sout_mutex);
-
-	return sprintf(buf, "%d\n", value);
-}
-
-static DEVICE_ATTR_MTS(dev_attr_extserial_dcd, "extserial-dcd",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_extserial_ri, "extserial-ri",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_extserial_dsr, "extserial-dsr",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_cd, "led-cd",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sdk_b, "led-sdk-b",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sig1, "led-sig1",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sdk_c, "led-sdk-c",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sig2, "led-sig2",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sdk_d, "led-sdk-d",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sig3, "led-sig3",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sdk_e, "led-sdk-e",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_dtr, "led-dtr",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static DEVICE_ATTR_MTS(dev_attr_led_sdk_f, "led-sdk-f",
-	mts_attr_show_sout, mts_attr_store_sout);
-
-static ssize_t mts_attr_store_dout(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	u8 bit;
-
-	if (!spi_dout_dev) {
-		log_notice("dout device not present");
-		return -ENODEV;
-	}
-
-	if ((!strcmp(attr->attr.name, "dout0")) || (!strcmp(attr->attr.name, "gpo1"))) {
-		bit = BIT(0);
-	} else if ((!strcmp(attr->attr.name, "dout1")) || (!strcmp(attr->attr.name, "gpo2"))) {
-		bit = BIT(1);
-	} else if ((!strcmp(attr->attr.name, "dout2")) || (!strcmp(attr->attr.name, "gpo3"))) {
-		bit = BIT(2);
-	} else if ((!strcmp(attr->attr.name, "dout3")) || (!strcmp(attr->attr.name, "gpo4"))) {
-		bit = BIT(3);
-	} else if ((!strcmp(attr->attr.name, "dout4")) || (!strcmp(attr->attr.name, "led1"))) {
-		bit = BIT(4);
-	} else if ((!strcmp(attr->attr.name, "dout5")) || (!strcmp(attr->attr.name, "led4"))) {
-		bit = BIT(5);
-	} else if ((!strcmp(attr->attr.name, "dout6")) || (!strcmp(attr->attr.name, "led5"))) {
-		bit = BIT(6);
-	} else if ((!strcmp(attr->attr.name, "dout7")) || (!strcmp(attr->attr.name, "led6"))) {
-		bit = BIT(7);
-	} else {
-		log_notice("dout attr does not exist");
-		return -ENOENT;
-	}
-
-	if (sscanf(buf, "%i", &value) != 1) {
-		log_notice("dout attr invalid argument");
-		return -EINVAL;
-	}
-
-	mutex_lock(&spi_dout_mutex);
-
-	if (value) {
-		spi_dout_value &= ~bit;
-	} else {
-		spi_dout_value |= bit;
-	}
-
-	spi_writen(spi_dout_dev, &spi_dout_value, 1);
-
-	mutex_unlock(&spi_dout_mutex);
-
-	return count;
-}
-
-static ssize_t mts_attr_show_dout(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int value;
-	u8 bit;
-
-	if (!spi_dout_dev) {
-		log_error("dout device not present");
-		return -ENODEV;
-	}
-
-	if ((!strcmp(attr->attr.name, "dout0")) || (!strcmp(attr->attr.name, "gpo1"))) {
-		bit = BIT(0);
-	} else if ((!strcmp(attr->attr.name, "dout1")) || (!strcmp(attr->attr.name, "gpo2"))) {
-		bit = BIT(1);
-	} else if ((!strcmp(attr->attr.name, "dout2")) || (!strcmp(attr->attr.name, "gpo3"))) {
-		bit = BIT(2);
-	} else if ((!strcmp(attr->attr.name, "dout3")) || (!strcmp(attr->attr.name, "gpo4"))) {
-		bit = BIT(3);
-	} else if ((!strcmp(attr->attr.name, "dout4")) || (!strcmp(attr->attr.name, "led1"))) {
-		bit = BIT(4);
-	} else if ((!strcmp(attr->attr.name, "dout5")) || (!strcmp(attr->attr.name, "led4"))) {
-		bit = BIT(5);
-	} else if ((!strcmp(attr->attr.name, "dout6")) || (!strcmp(attr->attr.name, "led5"))) {
-		bit = BIT(6);
-	} else if ((!strcmp(attr->attr.name, "dout7")) || (!strcmp(attr->attr.name, "led6"))) {
-		bit = BIT(7);
-	} else {
-		log_notice("dout attr does not exist");
-		return -ENOENT;
-	}
-
-	mutex_lock(&spi_dout_mutex);
-
-	value = spi_dout_value & bit ? 0 : 1;
-
-	mutex_unlock(&spi_dout_mutex);
-
-	return sprintf(buf, "%d\n", value);
-}
-
-
-static DEVICE_ATTR_MTS(dev_attr_dout0, "dout0",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout1, "dout1",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout2, "dout2",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout3, "dout3",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout4, "dout4",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout5, "dout5",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout6, "dout6",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_dout7, "dout7",
-	mts_attr_show_dout, mts_attr_store_dout);
-
-
-static ssize_t mts_attr_show_din(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int tmp;
-	u8 bit;
-	u8 byte;
-
-	if (!spi_din_dev) {
-		log_error("din device not present");
-		return -ENODEV;
-	}
-
-	if ((!strcmp(attr->attr.name, "din0")) || (!strcmp(attr->attr.name, "gpi5"))) {
-		bit = BIT(0);
-	} else if ((!strcmp(attr->attr.name, "din1")) || (!strcmp(attr->attr.name, "gpi6"))) {
-		bit = BIT(1);
-	} else if ((!strcmp(attr->attr.name, "din2")) || (!strcmp(attr->attr.name, "gpi7"))) {
-		bit = BIT(2);
-	} else if ((!strcmp(attr->attr.name, "din3")) || (!strcmp(attr->attr.name, "gpi8"))) {
-		bit = BIT(3);
-	} else if ((!strcmp(attr->attr.name, "din4")) || (!strcmp(attr->attr.name, "gpi9"))) {
-		bit = BIT(4);
-	} else if ((!strcmp(attr->attr.name, "din5")) || (!strcmp(attr->attr.name, "gpi10"))) {
-		bit = BIT(5);
-	} else if (!strcmp(attr->attr.name, "din6")) {
-		bit = BIT(6);
-	} else if (!strcmp(attr->attr.name, "din7")) {
-		bit = BIT(7);
-	} else {
-		log_notice("din attr does not exist");
-		return -ENOENT;
-	}
-
-	tmp = spi_readn(spi_din_dev, &byte, 1);
-	if (tmp) {
-		log_error("spi_read failed %d", tmp);
-		return tmp;
-	}
-
-	tmp = byte & bit ? 1 : 0;
-
-	return sprintf(buf, "%d\n", tmp);
-}
-
-static DEVICE_ATTR_RO_MTS(dev_attr_din0, "din0", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din1, "din1", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din2, "din2", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din3, "din3", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din4, "din4", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din5, "din5", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din6, "din6", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_din7, "din7", mts_attr_show_din);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_extserial_dtr, "extserial-dtr", 
 		mts_attr_show_gpio_pin);
-
 static DEVICE_ATTR_MTS(dev_attr_extserial_dsr_gpio, "extserial-dsr", 
 		mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
 static DEVICE_ATTR_MTS(dev_attr_extserial_ri_gpio, "extserial-ri", 
 		mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_extserial_dcd_gpio, "extserial-dcd",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
 
-static ssize_t mts_attr_show_led_status(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	return sprintf(buf, "%d\n", led_mode_status);
-}
-
-static ssize_t mts_attr_store_led_status(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	int ret;
-	struct gpio_pin *pin = gpio_pin_by_name("STATUS_LED");
-
-	if (!pin) {
-		return -ENODEV;
-	}
-
-	if (sscanf(buf, "%i", &value) != 1) {
-		return -EINVAL;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	switch (value) {
-	case LED_OFF:
-		led_mode_status = LED_OFF;
-		gpio_set_value(pin->pin.gpio, 1);
-
-		break;
-
-	case LED_ON:
-		led_mode_status = LED_ON;
-		gpio_set_value(pin->pin.gpio, 0);
-
-		break;
-
-	case LED_FLASHING:
-		led_mode_status = LED_FLASHING;
-		gpio_set_value(pin->pin.gpio, 0);
-
-		break;
-
-	default:
-		ret = -EINVAL;
-	}
-
-	mutex_unlock(&mts_io_mutex);
-
-	return count;
-}
-
+/* shared gpio-based LEDs */
 static DEVICE_ATTR_MTS(dev_attr_led_status, "led-status",
-	mts_attr_show_led_status, mts_attr_store_led_status);
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
 static DEVICE_ATTR_MTS(dev_attr_led_a_gpio, "led-a",
-	mts_attr_show_led_status, mts_attr_store_led_status);
-
-#if LED_STATUS_CONTROLLABLE_MTCDP
-static DEVICE_ATTR_MTS(dev_attr_led_sdk_a, "led-sdk-a",
-	mts_attr_show_led_status, mts_attr_store_led_status);
-#endif
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
 
 #if LED_LS_CONTROLLABLE
 static DEVICE_ATTR_MTS(dev_attr_led_ls, "led-ls",
@@ -2200,288 +360,8 @@ static DEVICE_ATTR_MTS(dev_attr_led_e_gpio, "led-e",
 static DEVICE_ATTR_MTS(dev_attr_led_f_gpio, "led-f",
 	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
 
-static DEVICE_ATTR_RO_MTS(dev_attr_reset, "reset", mts_attr_show_gpio_pin);
-
-static DEVICE_ATTR_MTS(dev_attr_rs4xx_term_res, "rs4xx-term-res",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-static ssize_t mts_attr_show_reset_monitor(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int ret;
-
-	mutex_lock(&mts_io_mutex);
-
-	ret = sprintf(buf, "%d %d %d %d\n", reset_pid, reset_short_signal, reset_long_signal, reset_extra_long_signal);
-
-	mutex_unlock(&mts_io_mutex);
-
-	return ret;
-}
-
-static ssize_t mts_attr_store_reset_monitor(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	pid_t pid;
-	int short_signal;
-	int long_signal;
-	int extra_long_signal;
-	int result = sscanf(buf, "%i %i %i %i", &pid, &short_signal, &long_signal, &extra_long_signal);
-
-	if (result < 3 || result > 4) {
-		return -EINVAL;
-	}
-
-        if(result == 3) {
-		mutex_lock(&mts_io_mutex);
-
-		reset_pid = pid;
-		reset_short_signal = short_signal;
-		reset_long_signal = long_signal;
-
-		mutex_unlock(&mts_io_mutex);
-	} else {
-		mutex_lock(&mts_io_mutex);
-
-		reset_pid = pid;
-		reset_short_signal = short_signal;
-		reset_long_signal = long_signal;
-		reset_extra_long_signal = extra_long_signal;
-
-		mutex_unlock(&mts_io_mutex);
-	}
-
-	return count;
-}
-
-static DEVICE_ATTR_MTS(dev_attr_reset_monitor, "reset-monitor",
-	mts_attr_show_reset_monitor, mts_attr_store_reset_monitor);
-
-static ssize_t mts_attr_show_board_temperature(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int tmp;
-	u16 temp_raw;
-
-	if (!spi_board_temp_dev) {
-		log_notice("spi_board_temp device not present");
-		return -ENODEV;
-	}
-
-	tmp = spi_readn(spi_board_temp_dev, (u8 *) buf, 2);
-	if (tmp) {
-		log_error("spi_readn failed %d", tmp);
-		return tmp;
-	}
-	temp_raw = ((u8 *) buf)[0] << 8 | ((u8 *) buf)[1];
-
-	log_debug("temp: 0x%04X", temp_raw);
-
-	return sprintf(buf, "%d\n", ADT7302_to_celsius(temp_raw));
-}
-
-static DEVICE_ATTR_RO_MTS(dev_attr_board_temperature, "board-temperature",
-	mts_attr_show_board_temperature);
-
-static ssize_t mts_attr_show_adc(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int offset;
-	u32 value;
-	u32 chan_mask;
-
-	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_ADC)) {
-		log_debug("ADC not available");
-		return -ENODEV;
-	}
-
-	if (!strcmp(attr->attr.name, "adc0")) {
-		offset = ADC_CDR0_OFFSET;
-		chan_mask = 0x01;
-	} else if (!strcmp(attr->attr.name, "adc1")) {
-		offset = ADC_CDR1_OFFSET;
-		chan_mask = 0x02;
-	} else if (!strcmp(attr->attr.name, "adc2")) {
-		offset = ADC_CDR2_OFFSET;
-		chan_mask = 0x04;
-	} else if (!strcmp(attr->attr.name, "adc3")) {
-		offset = ADC_CDR3_OFFSET;
-		chan_mask = 0x08;
-	} else {
-		log_notice("adc attr does not exist");
-		return -ENOENT;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	// disable all channels and enable the one we want
-	writel(0x0F, adc_base + ADC_CHDR_OFFSET);
-	writel(chan_mask, adc_base + ADC_CHER_OFFSET);
-
-	ADC_CONVERT_START(adc_base);
-
-	// wait for conversion to complete (EOC bit set)
-	value = 0;
-	while (value != chan_mask) {
-		value = readl(adc_base + ADC_SR_OFFSET) & chan_mask;
-		log_debug("ADC_SR EOC [%X]", value);
-	}
-
-	// read result
-	value = readl(adc_base + offset);
-
-	mutex_unlock(&mts_io_mutex);
-
-	return sprintf(buf, "%lu\n", (unsigned long) value);
-}
-
-static DEVICE_ATTR_RO_MTS(dev_attr_adc0, "adc0", mts_attr_show_adc);
-static DEVICE_ATTR_RO_MTS(dev_attr_adc1, "adc1", mts_attr_show_adc);
-static DEVICE_ATTR_RO_MTS(dev_attr_adc2, "adc2", mts_attr_show_adc);
-static DEVICE_ATTR_RO_MTS(dev_attr_adc3, "adc3", mts_attr_show_adc);
-
-static DEVICE_ATTR_RO_MTS(dev_attr_usbh2_ps_oc, "usbh2-ps-oc",
-	   	mts_attr_show_gpio_pin);
-
-#if USBH2_PS_CONTROLLABLE
-static DEVICE_ATTR_MTS(dev_attr_usbh2_ps_enabled, "usbh2-ps-enabled",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-#endif
-
-static DEVICE_ATTR_MTS(dev_attr_gpo1, "gpo1",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_gpo2, "gpo2",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_gpo3, "gpo3",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_gpo4, "gpo4",
-	mts_attr_show_dout, mts_attr_store_dout);
-
-static DEVICE_ATTR_RO_MTS(dev_attr_gpi5, "gpi5", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_gpi6, "gpi6", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_gpi7, "gpi7", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_gpi8, "gpi8", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_gpi9, "gpi9", mts_attr_show_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_gpi10, "gpi10", mts_attr_show_din);
-
-static DEVICE_ATTR_MTS(dev_attr_led1, "led1",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_led2, "led2",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-#if LED_LS_CONTROLLABLE
-static DEVICE_ATTR_MTS(dev_attr_led3, "led3",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-#else
-static DEVICE_ATTR_RO_MTS(dev_attr_led3, "led3", mts_attr_show_gpio_pin);
-#endif
-
-static DEVICE_ATTR_MTS(dev_attr_led4, "led4",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_led5, "led5",
-	mts_attr_show_dout, mts_attr_store_dout);
-static DEVICE_ATTR_MTS(dev_attr_led6, "led6",
-	mts_attr_show_dout, mts_attr_store_dout);
-
-static DEVICE_ATTR_MTS(dev_attr_gpio11, "gpio11",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-static DEVICE_ATTR_MTS(dev_attr_gpio12, "gpio12",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-static DEVICE_ATTR_MTS(dev_attr_rsersrc, "rsersrc",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-static DEVICE_ATTR_MTS(dev_attr_extserial_dcd_gpio, "extserial-dcd",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-static ssize_t mts_attr_show_serial_mode(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int ret;
-	int smode0;
-	int smode1;
-	int smode2;
-
-	struct gpio_pin *pin_smode0 = gpio_pin_by_name("SERIAL_MODE0");
-	struct gpio_pin *pin_smode1 = gpio_pin_by_name("SERIAL_MODE1");
-	struct gpio_pin *pin_smode2 = gpio_pin_by_name("SERIAL_MODE2");
-
-	if (!pin_smode0 || !pin_smode1 || !pin_smode2)
-		return -ENODEV;
-
-	mutex_lock(&mts_io_mutex);
-
-	smode0 = gpio_get_value(pin_smode0->pin.gpio);
-	smode1 = gpio_get_value(pin_smode1->pin.gpio);
-	smode2 = gpio_get_value(pin_smode2->pin.gpio);
-
-	if (smode2 == 0 && smode1 == 0 && smode0 == 1)
-		ret = sprintf(buf, "rs232\n");
-	else if (smode2 == 0 && smode1 == 1 && smode0 == 0)
-		ret = sprintf(buf, "rs485\n");
-	else if (smode2 == 1 && smode1 == 0 && smode0 == 0)
-		ret = sprintf(buf, "rs422\n");
-	else if (smode2 == 0 && smode1 == 0 && smode0 == 0)
-		ret = sprintf(buf, "loopback\n");
-	else
-		ret = sprintf(buf, "error\n");
-
-	mutex_unlock(&mts_io_mutex);
-
-	return ret;
-}
-
-static ssize_t mts_attr_store_serial_mode(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int smode0;
-	int smode1;
-	int smode2;
-	struct gpio_pin *pin_smode0 = gpio_pin_by_name("SERIAL_MODE0");
-	struct gpio_pin *pin_smode1 = gpio_pin_by_name("SERIAL_MODE1");
-	struct gpio_pin *pin_smode2 = gpio_pin_by_name("SERIAL_MODE2");
-
-	if (!pin_smode0 || !pin_smode1 || !pin_smode2)
-		return -ENODEV;
-
-	if (!strcasecmp(buf, "rs232")) {
-		smode2 = 0;
-		smode1 = 0;
-		smode0 = 1;
-	}
-	else if (!strcasecmp(buf, "rs485")) {
-		smode2 = 0;
-		smode1 = 1;
-		smode0 = 0;
-	}
-	else if (!strcasecmp(buf, "rs422")) {
-		smode2 = 1;
-		smode1 = 0;
-		smode0 = 0;
-	}
-	else if (!strcasecmp(buf, "loopback")) {
-		smode2 = 0;
-		smode1 = 0;
-		smode0 = 0;
-	}
-	else  {
-		return -EINVAL;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	gpio_set_value(pin_smode2->pin.gpio, smode2);
-	gpio_set_value(pin_smode1->pin.gpio, smode1);
-	gpio_set_value(pin_smode0->pin.gpio, smode0);
-
-	mutex_unlock(&mts_io_mutex);
-
-	return count;
-}
 
+/* eeprom info */
 static ssize_t mts_attr_show_product_info(struct device *dev,
 			struct device_attribute *attr,
 			char *buf)
@@ -2522,882 +402,29 @@ static ssize_t mts_attr_show_product_info(struct device *dev,
 	return value;
 }
 
-static DEVICE_ATTR_MTS(dev_attr_serial_mode, "serial-mode",
-	mts_attr_show_serial_mode, mts_attr_store_serial_mode);
-
-static DEVICE_ATTR_MTS(dev_attr_eth_switch_enabled, "eth-switch-enabled",
-	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
-
-static DEVICE_ATTR_MTS(dev_attr_radio_power_telit, "radio-power",
-	mts_attr_show_gpio_pin, mts_attr_store_radio_power_telit);
-
-static DEVICE_ATTR_MTS(dev_attr_radio_reset_telit, "radio-reset",
-	mts_attr_show_gpio_pin, mts_attr_store_radio_reset_telit);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_vendor_id, "vendor-id",
 	mts_attr_show_product_info);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_product_id, "product-id",
 	mts_attr_show_product_info);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_device_id, "device-id",
 	mts_attr_show_product_info);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_hw_version, "hw-version",
 	mts_attr_show_product_info);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_imei, "imei",
 	mts_attr_show_product_info);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_wifi_mac, "mac-wifi",
 	mts_attr_show_product_info);
-
 static DEVICE_ATTR_RO_MTS(dev_attr_eth_mac, "mac-eth",
 	mts_attr_show_product_info);
 
-struct gpio_pin *dc_gpio_pin_by_attr_name(const char *name) {
-	struct gpio_pin *pin;
-	char *pin_attr_name;
-
-	if (!strcmp(name, "led1")) {
-		pin_attr_name = "dc-gpio1";
-	} else if (!strcmp(name, "led2")) {
-		pin_attr_name = "dc-gpio2";
-	} else if (!strcmp(name, "dout-enable")) {
-		pin_attr_name = "dc-gpio3";
-	} else {
-		log_error("daughter card attribute %s not available", name);
-		return NULL;
-	}
-
-	for (pin = gpio_pins; *pin->name; pin++) {
-		if (!strcmp(pin->pin.label, pin_attr_name)) {
-			return pin;
-		}
-	}
-
-	log_error("pin with attr name %s not found", name);
-
-	return NULL;
-}
-
-
-static ssize_t mts_attr_show_dc_gpio_pin(struct device *dev,
-			struct device_attribute *attr,
-			char *buf)
-{
-	int value;
-	struct gpio_pin *pin = dc_gpio_pin_by_attr_name(attr->attr.name);
-
-	if (!pin) {
-		return -ENODEV;
-	}
+/* include per-device pins and attributes */
+#include "mtr2.c"
+#include "mtr.c"
 
-	mutex_lock(&mts_io_mutex);
-
-	value = gpio_get_value(pin->pin.gpio);
-
-	mutex_unlock(&mts_io_mutex);
-
-	if (value < 0) {
-		return value;
-	}
-
-	if (pin->active_low) {
-		value = !value;
-	}
-
-	return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t mts_attr_store_dc_gpio_pin(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	struct gpio_pin *pin = dc_gpio_pin_by_attr_name(attr->attr.name);
-
-	if (!pin) {
-		return -ENODEV;
-	}
-
-	if (sscanf(buf, "%i", &value) != 1) {
-		return -EINVAL;
-	}
-
-	if (pin->active_low) {
-		value = !value;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	gpio_set_value(pin->pin.gpio, value);
-
-	mutex_unlock(&mts_io_mutex);
-
-	return count;
-}
-
-static ssize_t mts_attr_show_dc_din(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	int tmp;
-	u8 bit;
-	u8 byte;
-
-	if (!spi_dc_din_dev) {
-		log_error("dc din device not present");
-		return -ENODEV;
-	}
-
-	if (!strcmp(attr->attr.name, "din0")) {
-		bit = BIT(0);
-	} else if (!strcmp(attr->attr.name, "din1")) {
-		bit = BIT(1);
-	} else if (!strcmp(attr->attr.name, "din2")) {
-		bit = BIT(2);
-	} else if (!strcmp(attr->attr.name, "din3")) {
-		bit = BIT(3);
-	} else {
-		log_error("dc din attr does not exist");
-		return -ENOENT;
-	}
-
-	tmp = spi_readn(spi_dc_din_dev, &byte, 1);
-	if (tmp) {
-		log_error("spi_read failed %d", tmp);
-		return tmp;
-	}
-
-	tmp = byte & bit ? 1 : 0;
-
-	return sprintf(buf, "%d\n", tmp);
-}
-
-static ssize_t mts_attr_store_dc_dout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	int value;
-	u8 bit;
-
-	if (!spi_dc_dout_dev) {
-		log_error("dc dout device not present");
-		return -ENODEV;
-	}
-
-	if (!strcmp(attr->attr.name, "dout0")) {
-		bit = BIT(0);
-	} else if (!strcmp(attr->attr.name, "dout1")) {
-		bit = BIT(1);
-	} else if (!strcmp(attr->attr.name, "dout2")) {
-		bit = BIT(2);
-	} else if (!strcmp(attr->attr.name, "dout3")) {
-		bit = BIT(3);
-	} else {
-		log_error("dc dout attr does not exist");
-		return -ENOENT;
-	}
-
-	if (sscanf(buf, "%i", &value) != 1) {
-		log_error("dc dout attr invalid argument");
-		return -EINVAL;
-	}
-
-	mutex_lock(&spi_dc_dout_mutex);
-
-	if (value) {
-		spi_dc_dout_value &= ~bit;
-	} else {
-		spi_dc_dout_value |= bit;
-	}
-
-	spi_writen(spi_dc_dout_dev, &spi_dc_dout_value, 1);
-
-	mutex_unlock(&spi_dc_dout_mutex);
-
-	return count;
-}
-
-static ssize_t mts_attr_show_dc_dout(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	int value;
-	u8 bit;
-
-	if (!spi_dc_dout_dev) {
-		log_error("dc dout device not present");
-		return -ENODEV;
-	}
-
-	if (!strcmp(attr->attr.name, "dout0")) {
-		bit = BIT(0);
-	} else if (!strcmp(attr->attr.name, "dout1")) {
-		bit = BIT(1);
-	} else if (!strcmp(attr->attr.name, "dout2")) {
-		bit = BIT(2);
-	} else if (!strcmp(attr->attr.name, "dout3")) {
-		bit = BIT(3);
-	} else {
-		log_error("dc dout attr does not exist");
-		return -ENOENT;
-	}
-
-	mutex_lock(&spi_dc_dout_mutex);
-
-	value = spi_dc_dout_value & bit ? 0 : 1;
-
-	mutex_unlock(&spi_dc_dout_mutex);
-
-	return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t mts_attr_show_dc_adc(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	int tmp;
-	int tx_data;
-	int rx_data;
-	int channel;
-	int channel_mask = 0x0180;  /* 0b 0000 0001 1000 0000 */
-	int manual_mode = 0x1840;   /* 0b 0001 1000 0100 0000 */
-	uint8_t tx[2];
-	uint8_t rx[2];
-
-	if (!spi_dc_adc_dev) {
-		log_error("dc adc device not present");
-		return -ENODEV;
-	}
-
-	memset(tx, 0, sizeof(tx));
-	memset(rx, 0, sizeof(rx));
-
-	if (!strcmp(attr->attr.name, "adc0")) {
-		channel = 0;
-	} else if (!strcmp(attr->attr.name, "adc1")) {
-		channel = 1;
-	} else if (! strcmp(attr->attr.name, "adc2")) {
-		channel = 2;
-	} else {
-		log_error("dc adc attr does not exist");
-		return -ENOENT;
-	}
-
-	/* 1st transfer to set up (5V reference, channel to read from) */
-	tx_data = manual_mode | ((channel << 7) & channel_mask);
-	tx[0] = tx_data >> 8;
-	tx[1] = tx_data & 0xFF;
-	tmp = spi_writen(spi_dc_adc_dev, tx, 2);
-	if (tmp) {
-		log_error("spi_write failed %d", tmp);
-		return tmp;
-	}
-
-	/* 2nd transfer to clock chip for ADC conversion
-	 * this can be a throw-away read or an empty write,
-	 * the ADC just needs the clock running so it can convert */
-	tx[0] = 0;
-	tx[1] = 0;
-	tmp = spi_writen(spi_dc_adc_dev, tx, 2);
-	if (tmp) {
-		log_error("2nd spi_write failed %d", tmp);
-		return tmp;
-	}
-
-	/* 3rd transfer to read data */
-	tmp = spi_readn(spi_dc_adc_dev, rx, 2);
-	if (tmp) {
-		log_error("spi_read failed %d", tmp);
-		return tmp;
-	}
-	rx_data = ((rx[0] & 0x0F) << 8) | (rx[1] & 0xFF);
-
-	return sprintf(buf, "%lu\n", (unsigned long) rx_data);
-}
-
-/* MTDC-GPIOB */
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_din0, "din0", mts_attr_show_dc_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_din1, "din1", mts_attr_show_dc_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_din2, "din2", mts_attr_show_dc_din);
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_din3, "din3", mts_attr_show_dc_din);
-static DEVICE_ATTR_MTS(dev_attr_dc_dout0, "dout0", mts_attr_show_dc_dout, mts_attr_store_dc_dout);
-static DEVICE_ATTR_MTS(dev_attr_dc_dout1, "dout1", mts_attr_show_dc_dout, mts_attr_store_dc_dout);
-static DEVICE_ATTR_MTS(dev_attr_dc_dout2, "dout2", mts_attr_show_dc_dout, mts_attr_store_dc_dout);
-static DEVICE_ATTR_MTS(dev_attr_dc_dout3, "dout3", mts_attr_show_dc_dout, mts_attr_store_dc_dout);
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_adc0, "adc0", mts_attr_show_dc_adc);
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_adc1, "adc1", mts_attr_show_dc_adc);
-static DEVICE_ATTR_RO_MTS(dev_attr_dc_adc2, "adc2", mts_attr_show_dc_adc);
-static DEVICE_ATTR_MTS(dev_attr_dc_led1, "led1", mts_attr_show_dc_gpio_pin, mts_attr_store_dc_gpio_pin);
-static DEVICE_ATTR_MTS(dev_attr_dc_led2, "led2", mts_attr_show_dc_gpio_pin, mts_attr_store_dc_gpio_pin);
-static DEVICE_ATTR_MTS(dev_attr_dc_oe, "dout-enable", mts_attr_show_dc_gpio_pin, mts_attr_store_dc_gpio_pin);
-
-static struct attribute *mt100eocg_platform_attributes[] = {
-	&dev_attr_vendor_id.attr,
-	&dev_attr_product_id.attr,
-	&dev_attr_device_id.attr,
-	&dev_attr_hw_version.attr,
-	&dev_attr_imei.attr,
-	&dev_attr_eth_mac.attr,
-	&dev_attr_extserial_dtr.attr,
-	&dev_attr_extserial_dcd_gpio.attr,
-	&dev_attr_rsersrc.attr,
-	&dev_attr_radio_reset.attr,
-	&dev_attr_eth0_enabled.attr,
-	&dev_attr_gpio11.attr,
-	&dev_attr_gpio12.attr,
-
-	&dev_attr_gpo1.attr,
-	&dev_attr_gpo2.attr,
-	&dev_attr_gpo3.attr,
-	&dev_attr_gpo4.attr,
-	&dev_attr_led1.attr,
-	&dev_attr_led2.attr,
-	&dev_attr_led3.attr,
-	&dev_attr_led4.attr,
-	&dev_attr_led5.attr,
-	&dev_attr_led6.attr,
-
-	&dev_attr_gpi5.attr,
-	&dev_attr_gpi6.attr,
-	&dev_attr_gpi7.attr,
-	&dev_attr_gpi8.attr,
-	&dev_attr_gpi9.attr,
-	&dev_attr_gpi10.attr,
-
-	&dev_attr_board_temperature.attr,
-
-	&dev_attr_adc0.attr,
-	&dev_attr_adc1.attr,
-	&dev_attr_adc2.attr,
-	&dev_attr_adc3.attr,
-
-	NULL,
-};
-
-static struct attribute_group mt100eocg_platform_attribute_group = {
-	.attrs = mt100eocg_platform_attributes
-};
-
-struct attribute *mtr2_platform_attributes[] = {
-	&dev_attr_vendor_id.attr,
-	&dev_attr_product_id.attr,
-	&dev_attr_device_id.attr,
-	&dev_attr_hw_version.attr,
-	&dev_attr_imei.attr,
-	&dev_attr_eth_mac.attr,
-	&dev_attr_wifi_mac.attr,
-	&dev_attr_reset.attr,
-	&dev_attr_reset_monitor.attr,
-	&dev_attr_radio_power.attr,
-	&dev_attr_radio_reset.attr,
-	&dev_attr_ndc_reset.attr,
-	&dev_attr_extserial_dtr.attr,
-	&dev_attr_extserial_dsr_gpio.attr,
-	&dev_attr_extserial_ri_gpio.attr,
-	&dev_attr_extserial_dcd_gpio.attr,
-	&dev_attr_eth_switch_enabled.attr,
-	&dev_attr_bt_enabled.attr,
-	&dev_attr_wlan_enabled.attr,
-
-	&dev_attr_serial_mode.attr,
-	&dev_attr_rs4xx_term_res.attr,
-
-	&dev_attr_led_status.attr,
-	&dev_attr_led_wifi_gpio.attr,
-	&dev_attr_led_cd_gpio.attr,
-	&dev_attr_led_sig1_gpio.attr,
-	&dev_attr_led_sig2_gpio.attr,
-	&dev_attr_led_sig3_gpio.attr,
-
-	&dev_attr_led_a_gpio.attr,
-	&dev_attr_led_b_gpio.attr,
-	&dev_attr_led_c_gpio.attr,
-	&dev_attr_led_d_gpio.attr,
-	&dev_attr_led_e_gpio.attr,
-	&dev_attr_led_f_gpio.attr,
-
-	&dev_attr_board_temperature.attr,
-
-	/* extra space for the daughter card attributes */
-	NULL,	    // index 34
-	NULL,	    // index 35
-	NULL,	    // index 36
-	NULL,	    // index 37
-	NULL,	    // index 38
-	NULL,	    // index 39
-	NULL,	    // index 40
-	NULL,	    // index 41
-	NULL,	    // index 42
-	NULL,	    // index 43
-	NULL,	    // index 44
-	NULL,	    // index 45
-	NULL,	    // index 46
-	NULL,	    // index 47
-	NULL,	    // index 48
-	NULL,	    // index 49
-	NULL,	    // index 50
-	NULL,	    // index 51
-	NULL,
-};
-
-static struct attribute *mtr2_daughter_card_attributes[] = {
-	&dev_attr_dc_din0.attr,
-	&dev_attr_dc_din1.attr,
-	&dev_attr_dc_din2.attr,
-	&dev_attr_dc_din3.attr,
-
-	&dev_attr_dc_dout0.attr,
-	&dev_attr_dc_dout1.attr,
-	&dev_attr_dc_dout2.attr,
-	&dev_attr_dc_dout3.attr,
-
-	&dev_attr_dc_adc0.attr,
-	&dev_attr_dc_adc1.attr,
-	&dev_attr_dc_adc2.attr,
-
-	&dev_attr_dc_led1.attr,
-	&dev_attr_dc_led2.attr,
-	&dev_attr_dc_oe.attr,
-
-	NULL,
-};
-
-static struct attribute_group mtr2_platform_attribute_group = {
-	.attrs = mtr2_platform_attributes
-};
-
-bool mtr2_add_daughter_card_attributes(void)
-{
-	size_t platform_attrs_size = sizeof(mtr2_platform_attributes) / sizeof(struct attribute *);
-	size_t daughter_card_attrs_size = sizeof(mtr2_daughter_card_attributes) / sizeof(struct attribute *);
-	size_t platform_attrs_index;
-	size_t daughter_card_attrs_index;
-	size_t copy_length = daughter_card_attrs_size - 1; /* don't need to copy the NULL at the end */
-
-	for (platform_attrs_index = 0; platform_attrs_index < platform_attrs_size; platform_attrs_index++) {
-		if (! mtr2_platform_attributes[platform_attrs_index]) {
-			break;
-		}
-	}
-
-	if (platform_attrs_size < platform_attrs_index + daughter_card_attrs_size) {
-		log_error("not enough room for MTR2 daughter card attributes!");
-		return false;
-	}
-
-	for (daughter_card_attrs_index = 0; daughter_card_attrs_index < copy_length; daughter_card_attrs_index++, platform_attrs_index++) {
-		mtr2_platform_attributes[platform_attrs_index] = mtr2_daughter_card_attributes[daughter_card_attrs_index];
-	}
-
-	return true;
-}
-
-static struct attribute *mtcdp_platform_attributes[] = {
-	&dev_attr_vendor_id.attr,
-	&dev_attr_product_id.attr,
-	&dev_attr_device_id.attr,
-	&dev_attr_hw_version.attr,
-	&dev_attr_imei.attr,
-	&dev_attr_eth_mac.attr,
-	&dev_attr_reset.attr,
-	&dev_attr_reset_monitor.attr,
-	&dev_attr_radio_reset.attr,
-	&dev_attr_ndc_reset.attr,
-	&dev_attr_eth0_enabled.attr,
-	&dev_attr_extserial_dtr.attr,
-	&dev_attr_led_ls.attr,
-#if LED_STATUS_CONTROLLABLE_MTCDP
-	&dev_attr_led_status.attr,
-	&dev_attr_led_sdk_a.attr,
-#endif
-	&dev_attr_usbh2_ps_oc.attr,
-#if USBH2_PS_CONTROLLABLE
-	&dev_attr_usbh2_ps_enabled.attr,
-#endif
-
-	&dev_attr_extserial_dcd.attr,
-	&dev_attr_extserial_ri.attr,
-	&dev_attr_extserial_dsr.attr,
-	&dev_attr_led_cd.attr,
-	&dev_attr_led_sdk_b.attr,
-	&dev_attr_led_sig1.attr,
-	&dev_attr_led_sdk_c.attr,
-	&dev_attr_led_sig2.attr,
-	&dev_attr_led_sdk_d.attr,
-	&dev_attr_led_sig3.attr,
-	&dev_attr_led_sdk_e.attr,
-	&dev_attr_led_dtr.attr,
-	&dev_attr_led_sdk_f.attr,
-
-	&dev_attr_dout0.attr,
-	&dev_attr_dout1.attr,
-	&dev_attr_dout2.attr,
-	&dev_attr_dout3.attr,
-	&dev_attr_dout4.attr,
-	&dev_attr_dout5.attr,
-	&dev_attr_dout6.attr,
-	&dev_attr_dout7.attr,
-
-	&dev_attr_din0.attr,
-	&dev_attr_din1.attr,
-	&dev_attr_din2.attr,
-	&dev_attr_din3.attr,
-	&dev_attr_din4.attr,
-	&dev_attr_din5.attr,
-	&dev_attr_din6.attr,
-	&dev_attr_din7.attr,
-
-	&dev_attr_board_temperature.attr,
-
-	&dev_attr_adc0.attr,
-	&dev_attr_adc1.attr,
-	&dev_attr_adc2.attr,
-	&dev_attr_adc3.attr,
-
-	NULL,
-};
-
-static struct attribute_group mtcdp_platform_attribute_group = {
-	.attrs = mtcdp_platform_attributes
-};
-
-static struct attribute *mtr_platform_attributes[] = {
-	&dev_attr_vendor_id.attr,
-	&dev_attr_product_id.attr,
-	&dev_attr_device_id.attr,
-	&dev_attr_hw_version.attr,
-	&dev_attr_imei.attr,
-	&dev_attr_eth_mac.attr,
-	&dev_attr_wifi_mac.attr,
-	&dev_attr_reset.attr,
-	&dev_attr_reset_monitor.attr,
-	&dev_attr_radio_power_telit.attr,
-	&dev_attr_radio_reset_telit.attr,
-	&dev_attr_extserial_ri_gpio.attr,
-	&dev_attr_extserial_dtr.attr,
-	&dev_attr_extserial_dsr_gpio.attr,
-	&dev_attr_extserial_dcd_gpio.attr,
-	&dev_attr_eth0_enabled.attr,
-	&dev_attr_bt_enabled.attr,
-	&dev_attr_wlan_enabled.attr,
-
-	&dev_attr_led_status.attr,
-	&dev_attr_led_sig1_gpio.attr,
-	&dev_attr_led_sig2_gpio.attr,
-	&dev_attr_led_sig3_gpio.attr,
-	&dev_attr_led_cd_gpio.attr,
-	&dev_attr_led_wifi_gpio.attr,
-
-	&dev_attr_led_a_gpio.attr,
-	&dev_attr_led_b_gpio.attr,
-	&dev_attr_led_c_gpio.attr,
-	&dev_attr_led_d_gpio.attr,
-	&dev_attr_led_e_gpio.attr,
-	&dev_attr_led_f_gpio.attr,
-
-	NULL,
-};
-
-static struct attribute_group mtr_platform_attribute_group = {
-	.attrs = mtr_platform_attributes
-};
-
-static struct platform_device *mts_io_platform_device;
-
-static int mts_spi_sout_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	spi->max_speed_hz = sout_max_speed_hz;
-	spi->mode = 0;
-
-	log_debug("sout_max_speed_hz: %d", sout_max_speed_hz);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup sout failed");
-		return tmp;
-	}
-
-	spi_sout_value = 0xFF;
-	spi_writen(spi, &spi_sout_value, 1);
-
-	spi_sout_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_sout_remove(struct spi_device *spi)
-{
-	spi_sout_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_sout_driver = {
-	.driver = {
-		.name = "mts-io-sout",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_sout_probe,
-	.remove = mts_spi_sout_remove,
-};
-
-static int mts_spi_dout_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_DOUT)) {
-		log_debug("digital outputs not available");
-		return -ENODEV;
-	}
-
-	spi->max_speed_hz = dout_max_speed_hz;
-	spi->mode = 0;
-
-	log_debug("dout_max_speed_hz: %d", dout_max_speed_hz);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup dout failed");
-		return tmp;
-	}
-
-	spi_dout_value = 0x00;
-	spi_writen(spi, &spi_dout_value, 1);
-
-	spi_dout_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_dout_remove(struct spi_device *spi)
-{
-	spi_dout_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_dout_driver = {
-	.driver = {
-		.name = "mts-io-dout",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_dout_probe,
-	.remove = mts_spi_dout_remove,
-};
-
-static int mts_spi_din_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_DIN)) {
-		log_debug("digital inputs not available");
-		return -ENODEV;
-	}
-
-	spi->max_speed_hz = din_max_speed_hz;
-	spi->mode = SPI_CPOL;
-
-	log_debug("din_max_speed_hz: %d", din_max_speed_hz);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup din failed");
-		return tmp;
-	}
-
-	spi_din_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_din_remove(struct spi_device *spi)
-{
-	spi_din_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_din_driver = {
-	.driver = {
-		.name = "mts-io-din",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_din_probe,
-	.remove = mts_spi_din_remove,
-};
-
-static int mts_spi_dc_dout_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	if (! has_daughter_card || mts_dc_product_id != MTDC_GPIOB_0_0) {
-		log_error("daughter card digital outputs not available");
-		return -ENODEV;
-	}
-
-	spi->max_speed_hz = dc_dout_max_speed_hz;
-	spi->mode = 0;
-
-	log_debug("dc_dout_max_speed_hz: %d", dc_dout_max_speed_hz);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup dc dout failed");
-		return tmp;
-	}
-
-	spi_dc_dout_value = 0x00;
-	spi_writen(spi, &spi_dc_dout_value, 1);
-
-	spi_dc_dout_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_dc_dout_remove(struct spi_device *spi)
-{
-	spi_dc_dout_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_dc_dout_driver = {
-	.driver = {
-		.name = "mts-io-dc-dout",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_dc_dout_probe,
-	.remove = mts_spi_dc_dout_remove,
-};
-
-static int mts_spi_dc_din_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	if (! has_daughter_card || mts_dc_product_id != MTDC_GPIOB_0_0) {
-		log_error("daughter card digital inputs not available");
-		return -ENODEV;
-	}
-
-	spi->max_speed_hz = dc_din_max_speed_hz;
-	spi->mode = SPI_CPOL;
-
-	log_debug("dc_din_max_speed_hz: %d", dc_din_max_speed_hz);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup daughter card din failed");
-		return tmp;
-	}
-
-	spi_dc_din_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_dc_din_remove(struct spi_device *spi)
-{
-	spi_dc_din_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_dc_din_driver = {
-	.driver = {
-		.name = "mts-io-dc-din",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_dc_din_probe,
-	.remove = mts_spi_dc_din_remove,
-};
-
-static int mts_spi_dc_adc_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	if (! has_daughter_card || mts_dc_product_id != MTDC_GPIOB_0_0) {
-		log_error("daughter card analog to digital not available");
-		return -ENODEV;
-	}
-
-	spi->max_speed_hz = dc_adc_max_speed_hz;
-	spi->mode = 0;
-
-	log_debug("dc_adc_max_speed_hz: %d", dc_adc_max_speed_hz);
-	log_debug("dc_adc_mode: %d", spi->mode);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup daughter card adc failed");
-		return tmp;
-	}
-
-	spi_dc_adc_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_dc_adc_remove(struct spi_device *spi)
-{
-	spi_dc_adc_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_dc_adc_driver = {
-	.driver = {
-		.name = "mts-io-dc-adc",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_dc_adc_probe,
-	.remove = mts_spi_dc_adc_remove,
-};
-
-static int mts_spi_board_temp_probe(struct spi_device *spi)
-{
-	int tmp;
-
-	spi->max_speed_hz = board_temp_max_speed_hz;
-	spi->mode = SPI_CPOL | SPI_CPHA;
-
-	log_debug("board_temp_max_speed_hz: %d", board_temp_max_speed_hz);
-
-	tmp = spi_setup(spi);
-	if (tmp < 0) {
-		log_error("spi_setup board-temp failed");
-		return tmp;
-	}
-
-	spi_board_temp_dev = spi;
-
-	return 0;
-}
-
-static int mts_spi_board_temp_remove(struct spi_device *spi)
-{
-	spi_board_temp_dev = NULL;
-
-	return 0;
-}
-
-static struct spi_driver mts_spi_board_temp_driver = {
-	.driver = {
-		.name = "mts-io-board-temp",
-		.bus = &spi_bus_type,
-		.owner = THIS_MODULE,
-	},
-
-	.probe = mts_spi_board_temp_probe,
-	.remove = mts_spi_board_temp_remove,
-};
+/* currently not supported
+#include "mtcdp.c"
+#include "mt100eocg.c"
+*/
 
 static int mts_dc_eeprom_load(void)
 {
@@ -3688,6 +715,7 @@ static int __init mts_io_init(void)
 		}
 	}
 
+	/* ADC Setup */
 #ifdef CONFIG_SOC_AT91SAM9X5
 	adc_base = ioremap(AT91SAM9X5_BASE_ADC, SZ_16K);
 #else
@@ -3724,9 +752,9 @@ static int __init mts_io_init(void)
 		}
 	}
 
-	// No blink_callback for MT100EOCG
+	// No reset_callback for MT100EOCG
 	if ( mts_product_id != MT100EOCG_0_0 ) {
-		blink_callback(NULL);
+		reset_callback(NULL);
 	}
 
 	return 0;
@@ -3766,7 +794,7 @@ error1:
 static void __exit mts_io_exit(void)
 {
 	if ( mts_product_id != MT100EOCG_0_0 ) {
-		cancel_delayed_work_sync(&blink_work);
+		cancel_delayed_work_sync(&reset_work);
 	}
 
 	iounmap(adc_base);
diff --git a/io-module/mts_io.h b/io-module/mts_io.h
index ad82b2a..0842f25 100644
--- a/io-module/mts_io.h
+++ b/io-module/mts_io.h
@@ -4,6 +4,25 @@
 #include "mts_eeprom.h"
 #include <linux/gpio.h>
 
+#define DEBUG		0
+
+#define __log(level, name, format, args...) \
+	printk(level "[" name "] " DRIVER_NAME ":%s:%d: " format "\n" , \
+			__func__ , __LINE__ , ## args)
+
+#define log_emerg(format, args...)	__log(KERN_EMERG, "EMERG", format , ## args)
+#define log_alert(format, args...)	__log(KERN_ALERT, "ALERT", format , ## args)
+#define log_crit(format, args...)	__log(KERN_CRIT, "CRIT", format , ## args)
+#define log_error(format, args...)	__log(KERN_ERR, "ERROR", format , ## args)
+#define log_warning(format, args...)	__log(KERN_WARNING, "WARNING", format , ## args)
+#define log_notice(format, args...)	__log(KERN_NOTICE, "NOTICE", format , ## args)
+#define log_info(format, args...)	__log(KERN_INFO, "INFO", format , ## args)
+#if DEBUG
+#  define log_debug(format, args...)	__log(KERN_DEBUG, "DEBUG", format , ## args)
+#else
+#  define log_debug(format, args...) do {} while (0)
+#endif
+
 #define MTS_ATTR_MODE_RW		S_IWUSR | S_IRUGO
 #define MTS_ATTR_MODE_RO		S_IRUGO
 
diff --git a/io-module/spi.c b/io-module/spi.c
new file mode 100644
index 0000000..2da3f05
--- /dev/null
+++ b/io-module/spi.c
@@ -0,0 +1,767 @@
+/* SPI devices, functions, and attributes */
+
+static int ADT7302_to_celsius(int value)
+{
+	if (value & 0x2000) {
+		value = value - 16384;
+	}
+
+	value = value / 32 + 1 * ((value % 32) >= 16);
+
+	return value;
+}
+
+/* SPI Devices */
+static struct spi_device *spi_sout_dev;
+static u8 spi_sout_value;
+static DEFINE_MUTEX(spi_sout_mutex);
+static unsigned int sout_max_speed_hz = 1 * 1000 * 1000;
+module_param(sout_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	sout_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 1 MHz)"
+);
+
+static struct spi_device *spi_dout_dev;
+static u8 spi_dout_value;
+static DEFINE_MUTEX(spi_dout_mutex);
+static unsigned int dout_max_speed_hz = 1 * 1000 * 1000;
+module_param(dout_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	dout_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 1 MHz)"
+);
+
+static struct spi_device *spi_din_dev;
+static unsigned int din_max_speed_hz = 1 * 1000 * 1000;
+module_param(din_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	din_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 1 MHz)"
+);
+
+static struct spi_device *spi_dc_dout_dev;
+static u8 spi_dc_dout_value;
+static DEFINE_MUTEX(spi_dc_dout_mutex);
+static unsigned int dc_dout_max_speed_hz = 1 * 1000 * 1000;
+module_param(dc_dout_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	dc_dout_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 1 MHz)"
+);
+
+static struct spi_device *spi_dc_din_dev;
+static unsigned int dc_din_max_speed_hz = 1 * 1000 * 1000;
+module_param(dc_din_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	dc_din_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 1 MHz)"
+);
+
+static struct spi_device *spi_dc_adc_dev;
+static unsigned int dc_adc_max_speed_hz = 20 * 1000 * 1000;
+module_param(dc_adc_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	dc_adc_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 20 MHz)"
+);
+
+static struct spi_device *spi_board_temp_dev;
+static unsigned int board_temp_max_speed_hz = 1 * 1000 * 1000;
+module_param(board_temp_max_speed_hz, uint, S_IRUGO);
+MODULE_PARM_DESC(
+	board_temp_max_speed_hz,
+	"Maximum clock rate to be used with this device (default: 1 MHz)"
+);
+
+/* Generic SPI functions */
+static inline int spi_writen(struct spi_device *spi, const u8 *buf, size_t len)
+{
+	int tmp;
+	u8 *tx;
+
+	tx = kmalloc(len, GFP_KERNEL);
+	if (!tx) {
+		return -ENOMEM;
+	}
+
+	memcpy(tx, buf, len);
+	tmp = spi_write(spi, tx, len);
+
+	kfree(tx);
+
+	return tmp;
+}
+
+static inline int spi_readn(struct spi_device *spi, u8 *buf, size_t len)
+{
+	int tmp;
+	u8 *rx;
+
+	rx = kmalloc(len, GFP_KERNEL);
+	if (!rx) {
+		return -ENOMEM;
+	}
+
+	tmp = spi_read(spi, rx, len);
+	memcpy(buf, rx, len);
+
+	kfree(rx);
+
+	return tmp;
+}
+
+/* ----------------------------------------------------------------------------
+ *
+ * SPI-based attribute show/store functions
+ *
+ * ----------------------------------------------------------------------------
+*/
+
+#define SOUT_LED_CD_BIT			BIT(0)
+#define SOUT_EXTSERIAL_RI_BIT		BIT(1)
+#define SOUT_EXTSERIAL_DSR_BIT		BIT(2)
+#define SOUT_LED_DTR			BIT(3)
+#define SOUT_LED_SIG1_BIT		BIT(4)
+#define SOUT_LED_SIG2_BIT		BIT(5)
+#define SOUT_LED_SIG3_BIT		BIT(6)
+#define SOUT_EXTSERIAL_DCD_BIT		BIT(7)
+
+static ssize_t mts_attr_store_sout(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value;
+	u8 bit;
+
+	if (!spi_sout_dev) {
+		log_notice("sout device not present");
+		return -ENODEV;
+	}
+
+	if (!strcmp(attr->attr.name, "extserial-ri")) {
+		bit = SOUT_EXTSERIAL_RI_BIT;
+	} else if (!strcmp(attr->attr.name, "extserial-dsr")) {
+		bit = SOUT_EXTSERIAL_DSR_BIT;
+	} else if (!strcmp(attr->attr.name, "extserial-dcd")) {
+		bit = SOUT_EXTSERIAL_DCD_BIT;
+	} else if (!strcmp(attr->attr.name, "led-cd") ||
+			!strcmp(attr->attr.name, "led-sdk-b")) {
+		bit = SOUT_LED_CD_BIT;
+	} else if (!strcmp(attr->attr.name, "led-dtr") ||
+			!strcmp(attr->attr.name, "led-sdk-f")) {
+		bit = SOUT_LED_DTR;
+	} else if (!strcmp(attr->attr.name, "led-sig1") ||
+			!strcmp(attr->attr.name, "led-sdk-c")) {
+		bit = SOUT_LED_SIG1_BIT;
+	} else if (!strcmp(attr->attr.name, "led-sig2") ||
+			!strcmp(attr->attr.name, "led-sdk-d")) {
+		bit = SOUT_LED_SIG2_BIT;
+	} else if (!strcmp(attr->attr.name, "led-sig3") ||
+			!strcmp(attr->attr.name, "led-sdk-e")) {
+		bit = SOUT_LED_SIG3_BIT;
+	} else {
+		log_notice("sout attr does not exist");
+		return -ENOENT;
+	}
+
+	if (sscanf(buf, "%i", &value) != 1) {
+		log_notice("sout attr invalid argument");
+		return -EINVAL;
+	}
+
+	mutex_lock(&spi_sout_mutex);
+
+	if (value) {
+		spi_sout_value &= ~bit;
+	} else {
+		spi_sout_value |= bit;
+	}
+	spi_writen(spi_sout_dev, &spi_sout_value, 1);
+
+	mutex_unlock(&spi_sout_mutex);
+
+	return count;
+}
+
+static ssize_t mts_attr_show_sout(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int value;
+	u8 bit;
+
+	if (!spi_sout_dev) {
+		log_error("sout device not present");
+		return -ENODEV;
+	}
+
+	if (!strcmp(attr->attr.name, "extserial-ri")) {
+		bit = SOUT_EXTSERIAL_RI_BIT;
+	} else if (!strcmp(attr->attr.name, "extserial-dsr")) {
+		bit = SOUT_EXTSERIAL_DSR_BIT;
+	} else if (!strcmp(attr->attr.name, "extserial-dcd")) {
+		bit = SOUT_EXTSERIAL_DCD_BIT;
+	} else if (!strcmp(attr->attr.name, "led-cd") ||
+			!strcmp(attr->attr.name, "led-sdk-b")) {
+		bit = SOUT_LED_CD_BIT;
+	} else if (!strcmp(attr->attr.name, "led-dtr") ||
+			!strcmp(attr->attr.name, "led-sdk-f")) {
+		bit = SOUT_LED_DTR;
+	} else if (!strcmp(attr->attr.name, "led-sig1") ||
+			!strcmp(attr->attr.name, "led-sdk-c")) {
+		bit = SOUT_LED_SIG1_BIT;
+	} else if (!strcmp(attr->attr.name, "led-sig2") ||
+			!strcmp(attr->attr.name, "led-sdk-d")) {
+		bit = SOUT_LED_SIG2_BIT;
+	} else if (!strcmp(attr->attr.name, "led-sig3") ||
+			!strcmp(attr->attr.name, "led-sdk-e")) {
+		bit = SOUT_LED_SIG3_BIT;
+	} else {
+		log_notice("sout attr does not exist");
+		return -ENOENT;
+	}
+
+	mutex_lock(&spi_sout_mutex);
+
+	value = spi_sout_value & bit ? 0 : 1;
+
+	mutex_unlock(&spi_sout_mutex);
+
+	return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t mts_attr_store_dout(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value;
+	u8 bit;
+
+	if (!spi_dout_dev) {
+		log_notice("dout device not present");
+		return -ENODEV;
+	}
+
+	if ((!strcmp(attr->attr.name, "dout0")) || (!strcmp(attr->attr.name, "gpo1"))) {
+		bit = BIT(0);
+	} else if ((!strcmp(attr->attr.name, "dout1")) || (!strcmp(attr->attr.name, "gpo2"))) {
+		bit = BIT(1);
+	} else if ((!strcmp(attr->attr.name, "dout2")) || (!strcmp(attr->attr.name, "gpo3"))) {
+		bit = BIT(2);
+	} else if ((!strcmp(attr->attr.name, "dout3")) || (!strcmp(attr->attr.name, "gpo4"))) {
+		bit = BIT(3);
+	} else if ((!strcmp(attr->attr.name, "dout4")) || (!strcmp(attr->attr.name, "led1"))) {
+		bit = BIT(4);
+	} else if ((!strcmp(attr->attr.name, "dout5")) || (!strcmp(attr->attr.name, "led4"))) {
+		bit = BIT(5);
+	} else if ((!strcmp(attr->attr.name, "dout6")) || (!strcmp(attr->attr.name, "led5"))) {
+		bit = BIT(6);
+	} else if ((!strcmp(attr->attr.name, "dout7")) || (!strcmp(attr->attr.name, "led6"))) {
+		bit = BIT(7);
+	} else {
+		log_notice("dout attr does not exist");
+		return -ENOENT;
+	}
+
+	if (sscanf(buf, "%i", &value) != 1) {
+		log_notice("dout attr invalid argument");
+		return -EINVAL;
+	}
+
+	mutex_lock(&spi_dout_mutex);
+
+	if (value) {
+		spi_dout_value &= ~bit;
+	} else {
+		spi_dout_value |= bit;
+	}
+
+	spi_writen(spi_dout_dev, &spi_dout_value, 1);
+
+	mutex_unlock(&spi_dout_mutex);
+
+	return count;
+}
+
+static ssize_t mts_attr_show_dout(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int value;
+	u8 bit;
+
+	if (!spi_dout_dev) {
+		log_error("dout device not present");
+		return -ENODEV;
+	}
+
+	if ((!strcmp(attr->attr.name, "dout0")) || (!strcmp(attr->attr.name, "gpo1"))) {
+		bit = BIT(0);
+	} else if ((!strcmp(attr->attr.name, "dout1")) || (!strcmp(attr->attr.name, "gpo2"))) {
+		bit = BIT(1);
+	} else if ((!strcmp(attr->attr.name, "dout2")) || (!strcmp(attr->attr.name, "gpo3"))) {
+		bit = BIT(2);
+	} else if ((!strcmp(attr->attr.name, "dout3")) || (!strcmp(attr->attr.name, "gpo4"))) {
+		bit = BIT(3);
+	} else if ((!strcmp(attr->attr.name, "dout4")) || (!strcmp(attr->attr.name, "led1"))) {
+		bit = BIT(4);
+	} else if ((!strcmp(attr->attr.name, "dout5")) || (!strcmp(attr->attr.name, "led4"))) {
+		bit = BIT(5);
+	} else if ((!strcmp(attr->attr.name, "dout6")) || (!strcmp(attr->attr.name, "led5"))) {
+		bit = BIT(6);
+	} else if ((!strcmp(attr->attr.name, "dout7")) || (!strcmp(attr->attr.name, "led6"))) {
+		bit = BIT(7);
+	} else {
+		log_notice("dout attr does not exist");
+		return -ENOENT;
+	}
+
+	mutex_lock(&spi_dout_mutex);
+
+	value = spi_dout_value & bit ? 0 : 1;
+
+	mutex_unlock(&spi_dout_mutex);
+
+	return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t mts_attr_show_din(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int tmp;
+	u8 bit;
+	u8 byte;
+
+	if (!spi_din_dev) {
+		log_error("din device not present");
+		return -ENODEV;
+	}
+
+	if ((!strcmp(attr->attr.name, "din0")) || (!strcmp(attr->attr.name, "gpi5"))) {
+		bit = BIT(0);
+	} else if ((!strcmp(attr->attr.name, "din1")) || (!strcmp(attr->attr.name, "gpi6"))) {
+		bit = BIT(1);
+	} else if ((!strcmp(attr->attr.name, "din2")) || (!strcmp(attr->attr.name, "gpi7"))) {
+		bit = BIT(2);
+	} else if ((!strcmp(attr->attr.name, "din3")) || (!strcmp(attr->attr.name, "gpi8"))) {
+		bit = BIT(3);
+	} else if ((!strcmp(attr->attr.name, "din4")) || (!strcmp(attr->attr.name, "gpi9"))) {
+		bit = BIT(4);
+	} else if ((!strcmp(attr->attr.name, "din5")) || (!strcmp(attr->attr.name, "gpi10"))) {
+		bit = BIT(5);
+	} else if (!strcmp(attr->attr.name, "din6")) {
+		bit = BIT(6);
+	} else if (!strcmp(attr->attr.name, "din7")) {
+		bit = BIT(7);
+	} else {
+		log_notice("din attr does not exist");
+		return -ENOENT;
+	}
+
+	tmp = spi_readn(spi_din_dev, &byte, 1);
+	if (tmp) {
+		log_error("spi_read failed %d", tmp);
+		return tmp;
+	}
+
+	tmp = byte & bit ? 1 : 0;
+
+	return sprintf(buf, "%d\n", tmp);
+}
+
+static ssize_t mts_attr_show_board_temperature(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int tmp;
+	u16 temp_raw;
+
+	if (!spi_board_temp_dev) {
+		log_notice("spi_board_temp device not present");
+		return -ENODEV;
+	}
+
+	tmp = spi_readn(spi_board_temp_dev, (u8 *) buf, 2);
+	if (tmp) {
+		log_error("spi_readn failed %d", tmp);
+		return tmp;
+	}
+	temp_raw = ((u8 *) buf)[0] << 8 | ((u8 *) buf)[1];
+
+	log_debug("temp: 0x%04X", temp_raw);
+
+	return sprintf(buf, "%d\n", ADT7302_to_celsius(temp_raw));
+}
+
+/* ----------------------------------------------------------------------------
+ *
+ * SPI-based attributes
+ *
+ * ----------------------------------------------------------------------------
+*/
+
+static DEVICE_ATTR_RO_MTS(dev_attr_board_temperature, "board-temperature",
+	mts_attr_show_board_temperature);
+
+static DEVICE_ATTR_MTS(dev_attr_extserial_dcd, "extserial-dcd",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_extserial_ri, "extserial-ri",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_extserial_dsr, "extserial-dsr",
+	mts_attr_show_sout, mts_attr_store_sout);
+
+static DEVICE_ATTR_MTS(dev_attr_led_cd, "led-cd",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sdk_b, "led-sdk-b",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sig1, "led-sig1",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sdk_c, "led-sdk-c",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sig2, "led-sig2",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sdk_d, "led-sdk-d",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sig3, "led-sig3",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sdk_e, "led-sdk-e",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_dtr, "led-dtr",
+	mts_attr_show_sout, mts_attr_store_sout);
+static DEVICE_ATTR_MTS(dev_attr_led_sdk_f, "led-sdk-f",
+	mts_attr_show_sout, mts_attr_store_sout);
+
+static DEVICE_ATTR_MTS(dev_attr_dout0, "dout0",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout1, "dout1",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout2, "dout2",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout3, "dout3",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout4, "dout4",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout5, "dout5",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout6, "dout6",
+	mts_attr_show_dout, mts_attr_store_dout);
+static DEVICE_ATTR_MTS(dev_attr_dout7, "dout7",
+	mts_attr_show_dout, mts_attr_store_dout);
+
+static DEVICE_ATTR_RO_MTS(dev_attr_din0, "din0", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din1, "din1", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din2, "din2", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din3, "din3", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din4, "din4", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din5, "din5", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din6, "din6", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_din7, "din7", mts_attr_show_din);
+
+static DEVICE_ATTR_RO_MTS(dev_attr_gpi5, "gpi5", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_gpi6, "gpi6", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_gpi7, "gpi7", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_gpi8, "gpi8", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_gpi9, "gpi9", mts_attr_show_din);
+static DEVICE_ATTR_RO_MTS(dev_attr_gpi10, "gpi10", mts_attr_show_din);
+
+/* SPI driver setup */
+static int mts_spi_sout_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	spi->max_speed_hz = sout_max_speed_hz;
+	spi->mode = 0;
+
+	log_debug("sout_max_speed_hz: %d", sout_max_speed_hz);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup sout failed");
+		return tmp;
+	}
+
+	spi_sout_value = 0xFF;
+	spi_writen(spi, &spi_sout_value, 1);
+
+	spi_sout_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_sout_remove(struct spi_device *spi)
+{
+	spi_sout_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_sout_driver = {
+	.driver = {
+		.name = "mts-io-sout",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_sout_probe,
+	.remove = mts_spi_sout_remove,
+};
+
+static int mts_spi_dout_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_DOUT)) {
+		log_debug("digital outputs not available");
+		return -ENODEV;
+	}
+
+	spi->max_speed_hz = dout_max_speed_hz;
+	spi->mode = 0;
+
+	log_debug("dout_max_speed_hz: %d", dout_max_speed_hz);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup dout failed");
+		return tmp;
+	}
+
+	spi_dout_value = 0x00;
+	spi_writen(spi, &spi_dout_value, 1);
+
+	spi_dout_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_dout_remove(struct spi_device *spi)
+{
+	spi_dout_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_dout_driver = {
+	.driver = {
+		.name = "mts-io-dout",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_dout_probe,
+	.remove = mts_spi_dout_remove,
+};
+
+static int mts_spi_din_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_DIN)) {
+		log_debug("digital inputs not available");
+		return -ENODEV;
+	}
+
+	spi->max_speed_hz = din_max_speed_hz;
+	spi->mode = SPI_CPOL;
+
+	log_debug("din_max_speed_hz: %d", din_max_speed_hz);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup din failed");
+		return tmp;
+	}
+
+	spi_din_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_din_remove(struct spi_device *spi)
+{
+	spi_din_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_din_driver = {
+	.driver = {
+		.name = "mts-io-din",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_din_probe,
+	.remove = mts_spi_din_remove,
+};
+
+static int mts_spi_dc_dout_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	if (! has_daughter_card || mts_dc_product_id != MTDC_GPIOB_0_0) {
+		log_error("daughter card digital outputs not available");
+		return -ENODEV;
+	}
+
+	spi->max_speed_hz = dc_dout_max_speed_hz;
+	spi->mode = 0;
+
+	log_debug("dc_dout_max_speed_hz: %d", dc_dout_max_speed_hz);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup dc dout failed");
+		return tmp;
+	}
+
+	spi_dc_dout_value = 0x00;
+	spi_writen(spi, &spi_dc_dout_value, 1);
+
+	spi_dc_dout_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_dc_dout_remove(struct spi_device *spi)
+{
+	spi_dc_dout_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_dc_dout_driver = {
+	.driver = {
+		.name = "mts-io-dc-dout",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_dc_dout_probe,
+	.remove = mts_spi_dc_dout_remove,
+};
+
+static int mts_spi_dc_din_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	if (! has_daughter_card || mts_dc_product_id != MTDC_GPIOB_0_0) {
+		log_error("daughter card digital inputs not available");
+		return -ENODEV;
+	}
+
+	spi->max_speed_hz = dc_din_max_speed_hz;
+	spi->mode = SPI_CPOL;
+
+	log_debug("dc_din_max_speed_hz: %d", dc_din_max_speed_hz);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup daughter card din failed");
+		return tmp;
+	}
+
+	spi_dc_din_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_dc_din_remove(struct spi_device *spi)
+{
+	spi_dc_din_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_dc_din_driver = {
+	.driver = {
+		.name = "mts-io-dc-din",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_dc_din_probe,
+	.remove = mts_spi_dc_din_remove,
+};
+
+static int mts_spi_dc_adc_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	if (! has_daughter_card || mts_dc_product_id != MTDC_GPIOB_0_0) {
+		log_error("daughter card analog to digital not available");
+		return -ENODEV;
+	}
+
+	spi->max_speed_hz = dc_adc_max_speed_hz;
+	spi->mode = 0;
+
+	log_debug("dc_adc_max_speed_hz: %d", dc_adc_max_speed_hz);
+	log_debug("dc_adc_mode: %d", spi->mode);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup daughter card adc failed");
+		return tmp;
+	}
+
+	spi_dc_adc_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_dc_adc_remove(struct spi_device *spi)
+{
+	spi_dc_adc_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_dc_adc_driver = {
+	.driver = {
+		.name = "mts-io-dc-adc",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_dc_adc_probe,
+	.remove = mts_spi_dc_adc_remove,
+};
+
+static int mts_spi_board_temp_probe(struct spi_device *spi)
+{
+	int tmp;
+
+	spi->max_speed_hz = board_temp_max_speed_hz;
+	spi->mode = SPI_CPOL | SPI_CPHA;
+
+	log_debug("board_temp_max_speed_hz: %d", board_temp_max_speed_hz);
+
+	tmp = spi_setup(spi);
+	if (tmp < 0) {
+		log_error("spi_setup board-temp failed");
+		return tmp;
+	}
+
+	spi_board_temp_dev = spi;
+
+	return 0;
+}
+
+static int mts_spi_board_temp_remove(struct spi_device *spi)
+{
+	spi_board_temp_dev = NULL;
+
+	return 0;
+}
+
+static struct spi_driver mts_spi_board_temp_driver = {
+	.driver = {
+		.name = "mts-io-board-temp",
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mts_spi_board_temp_probe,
+	.remove = mts_spi_board_temp_remove,
+};
diff --git a/io-module/telit_radio.c b/io-module/telit_radio.c
new file mode 100644
index 0000000..fbac4fa
--- /dev/null
+++ b/io-module/telit_radio.c
@@ -0,0 +1,219 @@
+
+static int radio_off_telit(void)
+{
+	int value, ret;
+	struct gpio_pin *pwrmon_pin = gpio_pin_by_name("PWRMON");
+	struct gpio_pin *onoff_pin = gpio_pin_by_name("3G_ONOFF");
+	struct gpio_pin *rst_pin = gpio_pin_by_name("3G_RST");
+
+	if (!onoff_pin || !pwrmon_pin || !rst_pin) {
+		return -ENODEV;
+	}
+
+	value = gpio_get_value(pwrmon_pin->pin.gpio);
+	if(value == 0) {
+		log_error("radio is already off");
+		return -EINVAL;
+	}
+
+	// drive on/off pin low for at least 3 sec
+	log_info("shutting down radio");
+	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 0, onoff_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	msleep(3500);
+
+	// set on/off pin high
+	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 1, onoff_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	// wait for radio to power off
+	msleep(5000);
+
+	// check that power is low
+	value = gpio_get_value(pwrmon_pin->pin.gpio);
+	if(value != 0) {
+		log_warning("radio is still on. performing radio reset.");
+		//Perform Hard Reset
+		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 0, rst_pin->pin.flags & GPIOF_PULLUP);
+		if (ret) {
+			return ret;
+		}
+
+		msleep(500);
+
+		// set pin high
+		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 1, rst_pin->pin.flags & GPIOF_PULLUP);
+		if (ret) {
+			return ret;
+		}
+	} else {
+		log_info("radio has been shut down");
+	}
+
+	return ret;
+}
+
+static int radio_on_telit(void)
+{
+	int value, ret;
+	struct gpio_pin *pwrmon_pin = gpio_pin_by_name("PWRMON");
+	struct gpio_pin *onoff_pin = gpio_pin_by_name("3G_ONOFF");
+	struct gpio_pin *rst_pin = gpio_pin_by_name("3G_RST");
+
+	if (!onoff_pin || !pwrmon_pin || !rst_pin) {
+		return -ENODEV;
+	}
+
+	value = gpio_get_value(pwrmon_pin->pin.gpio);
+	if(value != 0) {
+		log_error("radio is already on");
+		return -EINVAL;
+	}
+
+	// drive on/off pin low for at least 5 sec
+	log_info("turning on radio");
+	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 0, onoff_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	msleep(5500);
+
+	// set on/off pin high
+	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 1, onoff_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	msleep(200);
+
+	// check that power is high
+	value = gpio_get_value(pwrmon_pin->pin.gpio);
+	if(value == 0) {
+		log_warning("radio is still off. performing radio reset");
+		//Perform Hard Reset
+		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 0, rst_pin->pin.flags & GPIOF_PULLUP);
+		if (ret) {
+			return ret;
+		}
+
+		msleep(500);
+
+		// set pin high
+		ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 1, rst_pin->pin.flags & GPIOF_PULLUP);
+		if (ret) {
+			return ret;
+		}
+	} else {
+		log_info("radio has been turned on");
+	}
+
+	return ret;
+}
+
+static ssize_t mts_attr_store_radio_power_telit(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value;
+	int err;
+
+	if (sscanf(buf, "%i", &value) != 1) {
+		return -EINVAL;
+	}
+	if (value == 0) {
+		mutex_lock(&mts_io_mutex);
+		err = radio_off_telit();
+		mutex_unlock(&mts_io_mutex);
+	} else {
+		mutex_lock(&mts_io_mutex);
+		err = radio_on_telit();
+		mutex_unlock(&mts_io_mutex);
+	}
+
+	if (err) {
+		return err;
+	}
+
+	return count;
+}
+
+static int radio_reset_telit(void)
+{
+	int ret;
+	struct gpio_pin *rst_pin = gpio_pin_by_name("3G_RST");
+	struct gpio_pin *onoff_pin = gpio_pin_by_name("3G_ONOFF");
+
+	if (!rst_pin || !onoff_pin) {
+		return -ENODEV;
+	}
+
+	// drive reset pin low for 500ms
+	ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 0, rst_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	msleep(500);
+
+	// set pin high
+	ret = gpio_direction_output_pullup(rst_pin->pin.gpio, 1, rst_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	// wait for 2 sec before toggling on/off pin
+	msleep(2000);
+
+	// drive on/off pin low for 6 sec
+	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 0, onoff_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	msleep(6000);
+
+	// set on/off pin high
+	ret = gpio_direction_output_pullup(onoff_pin->pin.gpio, 1, onoff_pin->pin.flags & GPIOF_PULLUP);
+	if (ret) {
+		return ret;
+	}
+
+	return ret;
+}
+
+static ssize_t mts_attr_store_radio_reset_telit(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value;
+	int err;
+
+	if (sscanf(buf, "%i", &value) != 1) {
+		return -EINVAL;
+	}
+	if (value != 0) {
+		return -EINVAL;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	err = radio_reset_telit();
+
+	mutex_unlock(&mts_io_mutex);
+
+	if (err) {
+		return err;
+	}
+
+	return count;
+}
+
+static DEVICE_ATTR_MTS(dev_attr_radio_power_telit, "radio-power",
+	mts_attr_show_gpio_pin, mts_attr_store_radio_power_telit);
+
+static DEVICE_ATTR_MTS(dev_attr_radio_reset_telit, "radio-reset",
+	mts_attr_show_gpio_pin, mts_attr_store_radio_reset_telit);