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|
NEW_LEDS support for the LinkSys NSLU2
Signed-off-by: John Bowler <jbowler@acm.org>
arch/arm/mach-ixp4xx/nslu2-setup.c | 51 ++++++++++++++++++++++++++++++++++++-
1 file changed, 50 insertions(+), 1 deletion(-)
--- linux-nslu2.orig/arch/arm/mach-ixp4xx/nslu2-setup.c 2006-01-23 02:13:58.000000000 +0100
+++ linux-nslu2/arch/arm/mach-ixp4xx/nslu2-setup.c 2006-01-23 02:14:51.000000000 +0100
@@ -17,6 +17,9 @@
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/mtd/mtd.h>
+#ifdef CONFIG_LEDS_CLASS
+#include <linux/leds.h>
+#endif
#include <asm/setup.h>
#include <asm/memory.h>
@@ -50,6 +53,42 @@ static struct ixp4xx_i2c_pins nslu2_i2c_
.scl_pin = NSLU2_SCL_PIN,
};
+#ifdef CONFIG_LEDS_CLASS
+static struct resource nslu2_led_resources[] = {
+ {
+ .name = "ready", /* green led */
+ .start = NSLU2_LED_GRN,
+ .end = NSLU2_LED_GRN,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "status", /* red led */
+ .start = NSLU2_LED_RED,
+ .end = NSLU2_LED_RED,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "disk-1",
+ .start = NSLU2_LED_DISK1,
+ .end = NSLU2_LED_DISK1,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "disk-2",
+ .start = NSLU2_LED_DISK2,
+ .end = NSLU2_LED_DISK2,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device nslu2_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nslu2_led_resources),
+ .resource = nslu2_led_resources,
+};
+#endif
+
static struct platform_device nslu2_i2c_controller = {
.name = "IXP4XX-I2C",
.id = 0,
@@ -109,7 +148,6 @@ static struct platform_device nslu2_uart
static struct platform_device *nslu2_devices[] __initdata = {
&nslu2_i2c_controller,
&nslu2_flash,
- &nslu2_uart,
&nslu2_beeper,
};
@@ -171,7 +209,18 @@ static void __init nslu2_init(void)
pm_power_off = nslu2_power_off;
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&nslu2_uart);
+
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
+
+#ifdef CONFIG_LEDS_CLASS
+ /* We don't care whether or not this works. */
+ (void)platform_device_register(&nslu2_leds);
+#endif
}
/*
|
