From 1034f4ee3f07b7d525c490d702b3dcbee3b56b54 Mon Sep 17 00:00:00 2001
From: Simon Horman <horms+renesas@verge.net.au>
Date: Tue, 23 Apr 2013 02:37:05 +0000
Subject: [PATCH] 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: Simon Horman <horms+renesas@verge.net.au>
---
arch/arm/mach-shmobile/board-lager.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index 6114edd0a977..6a1ba38fae26 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -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 = {
--
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