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author | Enric Balletbo i Serra <eballetbo@iseebcn.com> | 2010-03-01 11:18:08 +0000 |
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committer | Tony Lindgren <tony@atomide.com> | 2010-03-11 14:50:00 -0800 |
commit | 228893f9d2b70a7416267050ce03bfd9eb624713 (patch) | |
tree | d268d984b3ef0b7eb6401f996974b6ab70f992de /arch/arm/mach-omap2/board-igep0020.c | |
parent | 00df9384ccfa02c062449e381c051bcfe97cdf6f (diff) | |
download | op-kernel-dev-228893f9d2b70a7416267050ce03bfd9eb624713.zip op-kernel-dev-228893f9d2b70a7416267050ce03bfd9eb624713.tar.gz |
omap3: Fix support for the LEDs connected to GPIO outputs on IGEP v2board
Select CONFIG_LEDS_GPIO to enable IGEP v2 LED support and control of supported
LEDs from userspace. Otherwise GPIO LEDs are exported as GPIO 26, 27 and 28 using
the gpiolib framework.
Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
-rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 4f1accf..3c7789d 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -16,7 +16,6 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/gpio.h> -#include <linux/leds.h> #include <linux/interrupt.h> #include <linux/regulator/machine.h> @@ -39,8 +38,8 @@ #define IGEP2_SMSC911X_CS 5 #define IGEP2_SMSC911X_GPIO 176 #define IGEP2_GPIO_USBH_NRESET 24 -#define IGEP2_GPIO_LED0_RED 26 -#define IGEP2_GPIO_LED0_GREEN 27 +#define IGEP2_GPIO_LED0_GREEN 26 +#define IGEP2_GPIO_LED0_RED 27 #define IGEP2_GPIO_LED1_RED 28 #define IGEP2_GPIO_DVI_PUP 170 #define IGEP2_GPIO_WIFI_NPD 94 @@ -355,34 +354,50 @@ static void __init igep2_display_init(void) gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1)) pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n"); } -#ifdef CONFIG_LEDS_TRIGGERS -static struct gpio_led gpio_leds[] = { + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#include <linux/leds.h> + +static struct gpio_led igep2_gpio_leds[] = { { - .name = "GPIO_LED1_RED", + .name = "led0:red", + .gpio = IGEP2_GPIO_LED0_RED, + }, + { + .name = "led0:green", .default_trigger = "heartbeat", + .gpio = IGEP2_GPIO_LED0_GREEN, + }, + { + .name = "led1:red", .gpio = IGEP2_GPIO_LED1_RED, }, }; -static struct gpio_led_platform_data gpio_leds_info = { - .leds = gpio_leds, - .num_leds = ARRAY_SIZE(gpio_leds), +static struct gpio_led_platform_data igep2_led_pdata = { + .leds = igep2_gpio_leds, + .num_leds = ARRAY_SIZE(igep2_gpio_leds), }; -static struct platform_device leds_gpio = { +static struct platform_device igep2_led_device = { .name = "leds-gpio", .id = -1, .dev = { - .platform_data = &gpio_leds_info, + .platform_data = &igep2_led_pdata, }, }; + +static void __init igep2_init_led(void) +{ + platform_device_register(&igep2_led_device); +} + +#else +static inline void igep2_init_led(void) {} #endif static struct platform_device *igep2_devices[] __initdata = { &igep2_dss_device, -#ifdef CONFIG_LEDS_TRIGGERS - &leds_gpio, -#endif }; static void __init igep2_init_irq(void) @@ -471,31 +486,34 @@ static void __init igep2_init(void) usb_ehci_init(&ehci_pdata); igep2_flash_init(); + igep2_init_led(); igep2_display_init(); igep2_init_smsc911x(); /* GPIO userspace leds */ - if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) && +#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE) + if ((gpio_request(IGEP2_GPIO_LED0_RED, "led0:red") == 0) && (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) { gpio_export(IGEP2_GPIO_LED0_RED, 0); gpio_set_value(IGEP2_GPIO_LED0_RED, 0); } else pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n"); - if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) && + if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "led0:green") == 0) && (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) { gpio_export(IGEP2_GPIO_LED0_GREEN, 0); gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0); } else pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n"); -#ifndef CONFIG_LEDS_TRIGGERS - if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) && + + if ((gpio_request(IGEP2_GPIO_LED1_RED, "led1:red") == 0) && (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) { gpio_export(IGEP2_GPIO_LED1_RED, 0); gpio_set_value(IGEP2_GPIO_LED1_RED, 0); } else pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n"); #endif + /* GPIO W-LAN + Bluetooth combo module */ if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) && (gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) { |