ARM: shmobile: Add Koelsch LED6, LED7 and LED8 support

Enable Koelsch LEDs for GPIO output testing purpose.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

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

@@ -20,6 +20,8 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/leds.h>
+#include <linux/platform_data/gpio-rcar.h>
 #include <linux/platform_device.h>
 #include <mach/common.h>
 #include <mach/r8a7791.h>
@@ -27,11 +29,36 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+/* LEDS */
+static struct gpio_led koelsch_leds[] = {
+	{
+		.name		= "led8",
+		.gpio		= RCAR_GP_PIN(2, 21),
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	}, {
+		.name		= "led7",
+		.gpio		= RCAR_GP_PIN(2, 20),
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	}, {
+		.name		= "led6",
+		.gpio		= RCAR_GP_PIN(2, 19),
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	},
+};
+
+static const struct gpio_led_platform_data koelsch_leds_pdata __initconst = {
+	.leds		= koelsch_leds,
+	.num_leds	= ARRAY_SIZE(koelsch_leds),
+};
+
 static void __init koelsch_add_standard_devices(void)
 {
 	r8a7791_clock_init();
 	r8a7791_pinmux_init();
 	r8a7791_add_standard_devices();
+	platform_device_register_data(&platform_bus, "leds-gpio", -1,
+				      &koelsch_leds_pdata,
+				      sizeof(koelsch_leds_pdata));
 }
 
 static const char * const koelsch_boards_compat_dt[] __initconst = {