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Commit 1034f4ee authored by Simon Horman's avatar Simon Horman
Browse files

ARM: shmobile: lager: Add GPIO LEDs 



The board has 3 LEDs connected to GPIOs. Add a led-gpio device to
support them.

Based on "ARM: shmobile: marzen: Add GPIO LEDs" by Laurent Pinchart.

Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 741440e8

arch/arm/mach-shmobile/board-lager.c

+27 −0
Original line number Diff line number Diff line
@@ -21,13 +21,37 @@ 
#include <linux/interrupt.h>

#include <linux/irqchip.h>

#include <linux/kernel.h>

#include <linux/leds.h>

#include <linux/pinctrl/machine.h>

#include <linux/platform_data/gpio-rcar.h>

#include <linux/platform_device.h>

#include <mach/common.h>

#include <mach/r8a7790.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>



/* LEDS */

static struct gpio_led lager_leds[] = {

	{

		.name		= "led8",

		.gpio		= RCAR_GP_PIN(5, 17),

		.default_state	= LEDS_GPIO_DEFSTATE_ON,

	}, {

		.name		= "led7",

		.gpio		= RCAR_GP_PIN(4, 23),

		.default_state	= LEDS_GPIO_DEFSTATE_ON,

	}, {

		.name		= "led6",

		.gpio		= RCAR_GP_PIN(4, 22),

		.default_state	= LEDS_GPIO_DEFSTATE_ON,

	},

};



static struct gpio_led_platform_data lager_leds_pdata = {

	.leds		= lager_leds,

	.num_leds	= ARRAY_SIZE(lager_leds),

};



static const struct pinctrl_map lager_pinctrl_map[] = {

	/* SCIF0 (CN19: DEBUG SERIAL0) */

	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
@@ -46,6 +70,9 @@ static void __init lager_add_standard_devices(void) 
	r8a7790_pinmux_init();



	r8a7790_add_standard_devices();

	platform_device_register_data(&platform_bus, "leds-gpio", -1,

				      &lager_leds_pdata,

				      sizeof(lager_leds_pdata));

}



static const char *lager_boards_compat_dt[] __initdata = {