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

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Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Eric Bénard 2010-05-19 18:45:57 +02:00 committed by Sascha Hauer
parent 4eaad66adf
commit fc04ad0e32
1 changed files with 49 additions and 6 deletions
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55
arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
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@ -24,6 +24,8 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/spi/spi.h> #include <linux/spi/spi.h>
#include <linux/spi/ads7846.h> #include <linux/spi/ads7846.h>
#include <linux/backlight.h>
#include <video/platform_lcd.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@ -103,12 +105,6 @@ static struct gpio_led gpio_leds[] = {
.active_low = 1, .active_low = 1,
.gpio = GPIO_PORTF | 19, .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 = { 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, .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[] = { static struct imxuart_platform_data uart_pdata[] = {
{ {
.flags = IMXUART_HAVE_RTSCTS, .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); mxc_gpio_mode(GPIO_PORTF | 19 | GPIO_GPIO | GPIO_OUT);
/* Backlight */ /* Backlight */
mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_OUT); 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)); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
} }