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Commit 81057f32 authored by Daniel Mack's avatar Daniel Mack Committed by Sascha Hauer
Browse files

ARM: MX3: add support for GPIO LEDs on litekit db 



The names are chosen to match the silkscreen.

Signed-off-by: default avatarDaniel Mack <daniel@caiaq.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent a050c8e9

arch/arm/mach-mx3/mx31lite-db.c

+33 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ 
#include <linux/init.h>

#include <linux/gpio.h>

#include <linux/platform_device.h>

#include <linux/leds.h>

#include <linux/platform_device.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -153,6 +155,36 @@ static struct spi_imx_master spi0_pdata = { 
	.num_chipselect	= ARRAY_SIZE(spi_internal_chipselect),

};



/* GPIO LEDs */



static struct gpio_led litekit_leds[] = {

	{

		.name           = "GPIO0",

		.gpio           = IOMUX_TO_GPIO(MX31_PIN_COMPARE),

		.active_low     = 1,

		.default_state  = LEDS_GPIO_DEFSTATE_OFF,

	},

	{

		.name           = "GPIO1",

		.gpio           = IOMUX_TO_GPIO(MX31_PIN_CAPTURE),

		.active_low     = 1,

		.default_state  = LEDS_GPIO_DEFSTATE_OFF,

	}

};



static struct gpio_led_platform_data litekit_led_platform_data = {

	.leds           = litekit_leds,

	.num_leds       = ARRAY_SIZE(litekit_leds),

};



static struct platform_device litekit_led_device = {

	.name   = "leds-gpio",

	.id     = -1,

	.dev    = {

		.platform_data = &litekit_led_platform_data,

	},

};



void __init mx31lite_db_init(void)

{

	mxc_iomux_setup_multiple_pins(litekit_db_board_pins,
@@ -161,5 +193,6 @@ void __init mx31lite_db_init(void) 
	mxc_register_device(&mxc_uart_device0, &uart_pdata);

	mxc_register_device(&mxcsdhc_device0, &mmc_pdata);

	mxc_register_device(&mxc_spi_device0, &spi0_pdata);

	platform_device_register(&litekit_led_device);

}