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>

diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 4f1accf..3c7789d 100644 (file)
--- 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)) {