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-rw-r--r--io-module/machine/mtr.c369
1 files changed, 361 insertions, 8 deletions
diff --git a/io-module/machine/mtr.c b/io-module/machine/mtr.c
index 9f00be8..3838fd2 100644
--- a/io-module/machine/mtr.c
+++ b/io-module/machine/mtr.c
@@ -1460,6 +1460,270 @@ static struct gpio_pin gpio_pins_mtrv1_0_3[] = {
{ },
};
+static struct gpio_pin gpio_pins_mtrv1_0_4[] = {
+ {
+ .name = "ETH_RESET",
+ .pin = {
+ .gpio = AT91_PIN_PC6,
+ .flags = GPIOF_OUT_INIT_HIGH | GPIOF_OPEN_DRAIN, /* without GPIOF_OPEN_DRAIN causes issues with the Micrel KSZ8091RNBCA (RMII) PHY */
+ .label = "eth-reset",
+ },
+ .active_low = 0,
+ },
+ {
+ .name = "DEVICE_RESET",
+ .pin = {
+ .gpio = AT91_PIN_PC4,
+ .flags = GPIOF_IN,
+ .label = "reset",
+ },
+ .active_low = 1,
+ },
+ {
+ .name = "LS_LED",
+ .pin = {
+ .gpio = AT91_PIN_PC4,
+#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,
+ },
+ { // Moved in MTRV1-0.4
+ .name = "RI_B",
+ .pin = {
+ .gpio = AT91_PIN_PC14,
+ .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,
+ },
+
+ // The difference between MTRv1_0_0 and MTRv1_0_1 starts here
+ {
+ .name = "WIFI_BT_ULPWKUP",
+ .pin = {
+ .gpio = AT91_PIN_PA0,
+ .flags = GPIOF_IN,
+ .label = "wifi-bt-ulpwkup",
+ }
+ },
+ {
+ .name = "WIFI_BT_LPWKUP",
+ .pin = {
+ .gpio = AT91_PIN_PA6,
+ .flags = GPIOF_IN,
+ .label = "wifi-bt-lpwkup",
+ }
+ },
+ {
+ .name = "WIFI_BT_INT",
+ .pin = {
+ .gpio = AT91_PIN_PB11,
+ .flags = GPIOF_IN,
+ .label = "wifi-bt-int",
+ }
+ },
+ {
+ .name = "WIFI_BT_RESET",
+ .pin = {
+ .gpio = AT91_PIN_PD14,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "wifi-bt-reset",
+ }
+ },
+ {
+ .name = "WIFI_BT_LPMODE",
+ .pin = {
+ .gpio = AT91_PIN_PD20,
+ .flags = GPIOF_IN,
+ .label = "wifi-bt-lpmode",
+ }
+ },
+ {
+ .name = "GNSS_RESET",
+ .pin = {
+ .gpio = AT91_PIN_PD15,
+ .flags = GPIOF_OUT_INIT_LOW,
+ .label = "gnss-reset",
+ }
+ },
+ {
+ .name = "SECURE_RESET",
+ .pin = {
+ .gpio = AT91_PIN_PD16,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "secure-reset",
+ }
+ },
+ {
+ .name = "MTQ_RESET",
+ .pin = {
+ .gpio = AT91_PIN_PD17,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "radio-reset",
+ }
+ },
+ {
+ .name = "GNSS_INT",
+ .pin = {
+ .gpio = AT91_PIN_PD19,
+ .flags = GPIOF_OUT_INIT_HIGH,
+ .label = "gnss-int",
+ }
+ },
+ // Difference with mtrv1_0_1 starts here
+ {
+ .name = "RADIO_WM_LK_M", // WM LINK Monitor for CAT M
+ .pin = {
+ .gpio = AT91_PIN_PA14,
+ .flags = GPIOF_IN,
+ .label = "radio-wm-lk-m",
+ }
+ },
+ // RADIO_STATUS must be at the end, because it might be removed
+ // if we ever support a Telit module which has no radio status.
+ {
+ .name = "RADIO_STATUS",
+ .pin = {
+ .gpio = AT91_PIN_PA28,
+ .flags = GPIOF_IN,
+ .label = "radio-status",
+ }
+ },
+
+ { },
+};
+
/* radio control (power/reset) for mtr */
static int radio_off_mtr(void)
{
@@ -1561,7 +1825,7 @@ static int radio_reset_mtr(void)
if (!rst_pin || !onoff_pin) {
return -ENODEV;
}
-
+ reset_radio_udev_discovery();
// drive reset pin low for 500ms
gpio_set_value(rst_pin->pin.gpio, 0);
@@ -1590,7 +1854,7 @@ static int radio_reset_mtr_mtq(void)
if (!rst_pin) {
return -ENODEV;
}
-
+ reset_radio_udev_discovery();
// drive reset pin low for 500ms
gpio_set_value(rst_pin->pin.gpio, 0);
@@ -1670,7 +1934,7 @@ static ssize_t mts_attr_store_radio_reset_mtr(struct device *dev,
mutex_lock(&mts_io_mutex);
- if (mts_hw_version == MTRV1_0_3)
+ if (mts_hw_version == MTRV1_0_3 || mts_hw_version == MTRV1_0_4)
{
err = radio_reset_mtr_mtq();
}
@@ -1766,6 +2030,9 @@ static DEVICE_ATTR_MTS(dev_attr_usbhub_reset_mtr, "usbhub-reset",
static DEVICE_ATTR_RO_MTS(dev_attr_gnss_int_mtr, "gnss-int",
mts_attr_show_gpio_pin);
+static DEVICE_ATTR_RO_MTS(dev_attr_radio_status_mtr, "radio-status",
+ mts_attr_show_gpio_pin);
+
static DEVICE_ATTR_RO_MTS(dev_attr_radio_wm_lk_m, "radio-wm-lk-m",
mts_attr_show_gpio_pin);
@@ -1816,6 +2083,9 @@ static struct attribute *mtr_platform_attributes[] = {
&dev_attr_radio_reset_backoff_index.attr,
&dev_attr_radio_reset_backoff_seconds.attr,
+ // UDEV notification of radio discovery
+ &dev_attr_radio_udev_discovery.attr,
+ &dev_attr_radio_reset_monitor.attr,
NULL,
};
@@ -1873,7 +2143,8 @@ static struct attribute *mtrv1_0_1_platform_attributes[] = {
&dev_attr_led_d_gpio.attr,
&dev_attr_led_e_gpio.attr,
&dev_attr_led_f_gpio_mtr.attr,
-
+ &dev_attr_radio_udev_discovery.attr,
+ &dev_attr_radio_reset_monitor.attr,
NULL,
};
@@ -1931,8 +2202,9 @@ static struct attribute *mtrv1_0_2_platform_attributes[] = {
&dev_attr_led_e_gpio.attr,
&dev_attr_led_f_gpio_mtr.attr,
- &dev_attr_radio_wm_lk_m.attr, // CAT M feature
-
+ &dev_attr_radio_wm_lk_m.attr, // CAT M feature
+ &dev_attr_radio_udev_discovery.attr,
+ &dev_attr_radio_reset_monitor.attr,
NULL,
};
@@ -1990,11 +2262,92 @@ static struct attribute *mtrv1_0_3_platform_attributes[] = {
&dev_attr_led_e_gpio.attr,
&dev_attr_led_f_gpio_mtr.attr,
- &dev_attr_radio_wm_lk_m.attr, // CAT M feature? Is this still there on the MTQ with Quectel?
-
+ &dev_attr_radio_wm_lk_m.attr, // CAT M feature? Is this still there on the MTQ with Quectel?
+ &dev_attr_radio_udev_discovery.attr,
+ &dev_attr_radio_reset_monitor.attr,
NULL,
};
static struct attribute_group mtrv1_0_3_platform_attribute_group = {
.attrs = mtrv1_0_3_platform_attributes
};
+
+static struct attribute *mtrv1_0_4_platform_attributes[] = {
+ &dev_attr_vendor_id.attr,
+ &dev_attr_product_id.attr,
+ &dev_attr_device_id.attr,
+ &dev_attr_uuid.attr,
+ &dev_attr_hw_version.attr,
+ &dev_attr_imei.attr,
+ &dev_attr_eth_mac.attr,
+ &dev_attr_has_radio.attr,
+ &dev_attr_wifi_mac_mtr.attr,
+ &dev_attr_bluetooth_mac_mtr.attr,
+
+ &dev_attr_reset.attr,
+ &dev_attr_reset_monitor.attr,
+ &dev_attr_reset_monitor_intervals.attr,
+ &dev_attr_radio_reset_mtr.attr,
+
+ &dev_attr_radio_reset_backoffs.attr,
+ &dev_attr_radio_reset_backoff_index.attr,
+ &dev_attr_radio_reset_backoff_seconds.attr,
+
+ &dev_attr_extserial_ri_gpio_mtr.attr,
+ &dev_attr_extserial_dtr_mtr.attr,
+ &dev_attr_extserial_dsr_gpio_mtr.attr,
+ &dev_attr_extserial_dcd_gpio_mtr.attr,
+
+ &dev_attr_eth_reset_mtr.attr,
+ &dev_attr_wifi_bt_lpwkup_mtr.attr,
+ &dev_attr_wifi_bt_ulpwkup_mtr.attr,
+ &dev_attr_wifi_bt_reset_mtr.attr,
+ &dev_attr_wifi_bt_lpmode_mtr.attr,
+ &dev_attr_wifi_bt_int_mtr.attr,
+ &dev_attr_gnss_reset_mtr.attr,
+ &dev_attr_gnss_int_mtr.attr,
+ &dev_attr_radio_status_mtr.attr,
+
+ &dev_attr_led_status.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_wifi_gpio_mtr.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_mtr.attr,
+
+ &dev_attr_radio_wm_lk_m.attr, // CAT M feature? Is this still there on the MTQ with Quectel?
+ &dev_attr_radio_udev_discovery.attr,
+ &dev_attr_radio_reset_monitor.attr,
+ NULL,
+};
+
+static struct attribute_group mtrv1_0_4_platform_attribute_group = {
+ .attrs = mtrv1_0_4_platform_attributes
+};
+
+// L4G1 is active low, but other modules are active-high.
+int
+mtr_setup_radio_status(const char *product_id)
+{
+ struct gpio_pin *pin;
+ int l4g1;
+
+ l4g1 = (strstr(product_id,"L4G1") != NULL);
+ if (l4g1) {
+ pin = gpio_pin_by_attr_name("radio-status");
+ if (pin == NULL) {
+ printk(KERN_ERR "mts-io mtr_setup_radio_status() cannot find radio-status gpio");
+ return -ENODEV;
+ }
+ pin->active_low = 1;
+ return 0;
+ }
+ return 0;
+}
+