[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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