From 7c94f68d7b490c7787c6b97c5b2d6d56d57b071c Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Wed, 9 Mar 2011 18:08:05 -0600 Subject: [PATCH] OMAP: Add gpio-leds support for Overo This patch adds support for the standard LEDs on the Overo COM and expansion boards Signed-off-by: Steve Sakoman Acked-by: Tony Lindgren Signed-off-by: Tomi Valkeinen --- arch/arm/mach-omap2/board-overo.c | 53 +++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 4278ecb799a2..e694ebd2636c 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -473,6 +473,52 @@ static struct regulator_consumer_supply overo_vmmc1_supply = { .supply = "vmmc", }; +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#include + +static struct gpio_led gpio_leds[] = { + { + .name = "overo:red:gpio21", + .default_trigger = "heartbeat", + .gpio = 21, + .active_low = true, + }, + { + .name = "overo:blue:gpio22", + .default_trigger = "none", + .gpio = 22, + .active_low = true, + }, + { + .name = "overo:blue:COM", + .default_trigger = "mmc0", + .gpio = -EINVAL, /* gets replaced */ + .active_low = true, + }, +}; + +static struct gpio_led_platform_data gpio_leds_pdata = { + .leds = gpio_leds, + .num_leds = ARRAY_SIZE(gpio_leds), +}; + +static struct platform_device gpio_leds_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &gpio_leds_pdata, + }, +}; + +static void __init overo_init_led(void) +{ + platform_device_register(&gpio_leds_device); +} + +#else +static inline void __init overo_init_led(void) { return; } +#endif + static int overo_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { @@ -480,6 +526,11 @@ static int overo_twl_gpio_setup(struct device *dev, overo_vmmc1_supply.dev = mmc[0].dev; +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) + /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ + gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; +#endif + return 0; } @@ -487,6 +538,7 @@ static struct twl4030_gpio_platform_data overo_gpio_data = { .gpio_base = OMAP_MAX_GPIO_LINES, .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, + .use_leds = true, .setup = overo_twl_gpio_setup, }; @@ -648,6 +700,7 @@ static void __init overo_init(void) overo_spi_init(); overo_init_smsc911x(); overo_display_init(); + overo_init_led(); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); -- 2.20.1