eukrea_mbimx27-baseboard: add generic-bl and platform-lcd controls

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 49 insertions, 6 deletions

diff --git a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
index c9e4452e5dba..0f201c56fccf 100644
--- a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
+++ b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
@@ -24,6 +24,8 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
+#include <linux/backlight.h>
+#include <video/platform_lcd.h>
 
 #include <asm/mach/arch.h>
 
@@ -103,12 +105,6 @@ static struct gpio_led gpio_leds[] = {
                 .active_low             = 1,
                 .gpio                   = GPIO_PORTF | 19,
         },
-        {
-                .name                   = "backlight",
-                .default_trigger        = "backlight",
-                .active_low             = 0,
-                .gpio                   = GPIO_PORTE | 5,
-        },
 };
 
 static struct gpio_led_platform_data gpio_led_info = {
@@ -153,6 +149,47 @@ static struct imx_fb_platform_data eukrea_mbimx27_fb_data = {
         .dmacr          = 0x00040060,
 };
 
+static void eukrea_mbimx27_bl_set_intensity(int intensity)
+{
+        if (intensity)
+                gpio_direction_output(GPIO_PORTE | 5, 1);
+        else
+                gpio_direction_output(GPIO_PORTE | 5, 0);
+}
+
+static struct generic_bl_info eukrea_mbimx27_bl_info = {
+        .name                   = "eukrea_mbimx27-bl",
+        .max_intensity          = 0xff,
+        .default_intensity      = 0xff,
+        .set_bl_intensity       = eukrea_mbimx27_bl_set_intensity,
+};
+
+static struct platform_device eukrea_mbimx27_bl_dev = {
+        .name                   = "generic-bl",
+        .id                     = 1,
+        .dev = {
+                .platform_data  = &eukrea_mbimx27_bl_info,
+        },
+};
+
+static void eukrea_mbimx27_lcd_power_set(struct plat_lcd_data *pd,
+                                   unsigned int power)
+{
+        if (power)
+                gpio_direction_output(GPIO_PORTA | 25, 1);
+        else
+                gpio_direction_output(GPIO_PORTA | 25, 0);
+}
+
+static struct plat_lcd_data eukrea_mbimx27_lcd_power_data = {
+        .set_power              = eukrea_mbimx27_lcd_power_set,
+};
+
+static struct platform_device eukrea_mbimx27_lcd_powerdev = {
+        .name                   = "platform-lcd",
+        .dev.platform_data      = &eukrea_mbimx27_lcd_power_data,
+};
+
 static struct imxuart_platform_data uart_pdata[] = {
         {
                 .flags = IMXUART_HAVE_RTSCTS,
@@ -244,6 +281,12 @@ void __init eukrea_mbimx27_baseboard_init(void)
         mxc_gpio_mode(GPIO_PORTF | 19 | GPIO_GPIO | GPIO_OUT);
         /* Backlight */
         mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_OUT);
+        gpio_request(GPIO_PORTE | 5, "backlight");
+        platform_device_register(&eukrea_mbimx27_bl_dev);
+        /* LCD Reset */
+        mxc_gpio_mode(GPIO_PORTA | 25 | GPIO_GPIO | GPIO_OUT);
+        gpio_request(GPIO_PORTA | 25, "lcd_enable");
+        platform_device_register(&eukrea_mbimx27_lcd_powerdev);
 
         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }