[PATCH] ARM: shmobile: lager: Add GPIO LEDs
Simon Horman
horms+renesas at verge.net.au
Sun Apr 21 23:06:30 EDT 2013
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 at ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/mach-shmobile/board-lager.c | 37 ++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
Tested on lager board.
Based on the tag renesas-next-20130419 of my renesas tree.
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index 6114edd..a8aa04f 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -21,13 +21,49 @@
#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 struct platform_device leds_device = {
+ .name = "leds-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &lager_leds_pdata,
+ },
+};
+
+static struct platform_device *lager_devices[] __initdata = {
+ &leds_device,
+};
+
static const struct pinctrl_map lager_pinctrl_map[] = {
/* SCIF0 (CN19: DEBUG SERIAL0) */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
@@ -46,6 +82,7 @@ static void __init lager_add_standard_devices(void)
r8a7790_pinmux_init();
r8a7790_add_standard_devices();
+ platform_add_devices(lager_devices, ARRAY_SIZE(lager_devices));
}
static const char *lager_boards_compat_dt[] __initdata = {
--
1.8.2.1
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