[ARM] 4761/1: [AT91] Board-support for NEW_LEDs

Add NEW_LEDs support for the following boards:
 - Cogent CSB337
 - Atmel AT91RM9200-DK
 - Atmel AT91RM9200-EK
 - Atmel AT91SAM9263-EK

Mostly based on patch from David Brownell.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-at91/board-csb337.c

@@ -215,6 +215,28 @@ static void __init csb300_add_device_buttons(void)
 static void __init csb300_add_device_buttons(void) {}
 #endif
 
+static struct gpio_led csb_leds[] = {
+	{	/* "led0", yellow */
+		.name			= "led0",
+		.gpio			= AT91_PIN_PB2,
+		.active_low		= 1,
+		.default_trigger	= "heartbeat",
+	},
+	{	/* "led1", green */
+		.name			= "led1",
+		.gpio			= AT91_PIN_PB1,
+		.active_low		= 1,
+		.default_trigger	= "mmc0",
+	},
+	{	/* "led2", yellow */
+		.name			= "led2",
+		.gpio			= AT91_PIN_PB0,
+		.active_low		= 1,
+		.default_trigger	= "ide-disk",
+	},
+};
+
+
 static void __init csb337_board_init(void)
 {
 	/* Serial */
@@ -236,6 +258,8 @@ static void __init csb337_board_init(void)
 	at91_add_device_mmc(0, &csb337_mmc_data);
 	/* NOR flash */
 	platform_device_register(&csb_flash);
+	/* LEDs */
+	at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
 	/* Switches on CSB300 */
 	csb300_add_device_buttons();
 }

arch/arm/mach-at91/board-dk.c

@@ -183,6 +183,14 @@ static struct platform_device dk_flash = {
 	.num_resources	= 1,
 };
 
+static struct gpio_led dk_leds[] = {
+	{
+		.name			= "led0",
+		.gpio			= AT91_PIN_PB2,
+		.active_low		= 1,
+		.default_trigger	= "heartbeat",
+	}
+};
 
 static void __init dk_board_init(void)
 {
@@ -213,6 +221,8 @@ static void __init dk_board_init(void)
 	at91_add_device_nand(&dk_nand_data);
 	/* NOR Flash */
 	platform_device_register(&dk_flash);
+	/* LEDs */
+	at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
 	/* VGA */
 //	dk_add_device_video();
 }

arch/arm/mach-at91/board-ek.c

@@ -141,6 +141,25 @@ static struct platform_device ek_flash = {
 	.num_resources	= 1,
 };
 
+static struct gpio_led ek_leds[] = {
+	{	/* "user led 1", DS2 */
+		.name			= "green",
+		.gpio			= AT91_PIN_PB0,
+		.active_low		= 1,
+		.default_trigger	= "mmc0",
+	},
+	{	/* "user led 2", DS4 */
+		.name			= "yellow",
+		.gpio			= AT91_PIN_PB1,
+		.active_low		= 1,
+		.default_trigger	= "heartbeat",
+	},
+	{	/* "user led 3", DS6 */
+		.name			= "red",
+		.gpio			= AT91_PIN_PB2,
+		.active_low		= 1,
+	}
+};
 
 static void __init ek_board_init(void)
 {
@@ -167,6 +186,8 @@ static void __init ek_board_init(void)
 #endif
 	/* NOR Flash */
 	platform_device_register(&ek_flash);
+	/* LEDs */
+	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 	/* VGA */
 //	ek_add_device_video();
 }

arch/arm/mach-at91/board-sam9263ek.c

@@ -272,6 +272,30 @@ static struct atmel_ac97_data ek_ac97_data = {
 };
 
 
+/*
+ * LEDs ... these could all be PWM-driven, for variable brightness
+ */
+static struct gpio_led ek_leds[] = {
+	{	/* "left" led, green, userled1, pwm1 */
+		.name			= "ds1",
+		.gpio			= AT91_PIN_PB8,
+		.active_low		= 1,
+		.default_trigger	= "mmc0",
+	},
+	{	/* "right" led, green, userled2, pwm2 */
+		.name			= "ds2",
+		.gpio			= AT91_PIN_PC29,
+		.active_low		= 1,
+		.default_trigger	= "nand-disk",
+	},
+	{	/* "power" led, yellow, pwm0 */
+		.name			= "ds3",
+		.gpio			= AT91_PIN_PB7,
+		.default_trigger	= "heartbeat",
+	},
+};
+
+
 static void __init ek_board_init(void)
 {
 	/* Serial */
@@ -297,6 +321,8 @@ static void __init ek_board_init(void)
 	at91_add_device_lcdc(&ek_lcdc_data);
 	/* AC97 */
 	at91_add_device_ac97(&ek_ac97_data);
+	/* LEDs */
+	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 }
 
 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")