diff options
| -rw-r--r-- | arch/arm/configs/clps711x_defconfig | 4 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/board-edb7211.c | 37 |
2 files changed, 25 insertions, 16 deletions
diff --git a/arch/arm/configs/clps711x_defconfig b/arch/arm/configs/clps711x_defconfig index 0facf9da047c..fc105c9178cc 100644 --- a/arch/arm/configs/clps711x_defconfig +++ b/arch/arm/configs/clps711x_defconfig @@ -68,8 +68,8 @@ CONFIG_GPIO_GENERIC_PLATFORM=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FB_CLPS711X=y -CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_PLATFORM=y +CONFIG_BACKLIGHT_PWM=y # CONFIG_USB_SUPPORT is not set CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y @@ -77,6 +77,8 @@ CONFIG_LEDS_GPIO=y CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y # CONFIG_IOMMU_SUPPORT is not set +CONFIG_PWM=y +CONFIG_PWM_CLPS711X=y CONFIG_EXT2_FS=y CONFIG_CRAMFS=y CONFIG_MINIX_FS=y diff --git a/arch/arm/mach-clps711x/board-edb7211.c b/arch/arm/mach-clps711x/board-edb7211.c index fdf54d40909a..f33979784f38 100644 --- a/arch/arm/mach-clps711x/board-edb7211.c +++ b/arch/arm/mach-clps711x/board-edb7211.c @@ -14,8 +14,9 @@ #include <linux/types.h> #include <linux/i2c-gpio.h> #include <linux/interrupt.h> -#include <linux/backlight.h> #include <linux/platform_device.h> +#include <linux/pwm.h> +#include <linux/pwm_backlight.h> #include <linux/memblock.h> #include <linux/mtd/physmap.h> @@ -108,23 +109,23 @@ static struct plat_lcd_data edb7211_lcd_power_pdata = { .set_power = edb7211_lcd_power_set, }; -static void edb7211_lcd_backlight_set_intensity(int intensity) -{ - gpio_set_value(EDB7211_LCDBL, !!intensity); - clps_writel((clps_readl(PMPCON) & 0xf0ff) | (intensity << 8), PMPCON); -} +static struct pwm_lookup edb7211_pwm_lookup[] = { + PWM_LOOKUP("clps711x-pwm", 0, "pwm-backlight.0", NULL, + 0, PWM_POLARITY_NORMAL), +}; -static struct generic_bl_info edb7211_lcd_backlight_pdata = { - .name = "lcd-backlight.0", - .default_intensity = 0x01, - .max_intensity = 0x0f, - .set_bl_intensity = edb7211_lcd_backlight_set_intensity, +static struct platform_pwm_backlight_data pwm_bl_pdata = { + .dft_brightness = 0x01, + .max_brightness = 0x0f, + .enable_gpio = EDB7211_LCDBL, }; +static struct resource clps711x_pwm_res = + DEFINE_RES_MEM(CLPS711X_PHYS_BASE + PMPCON, SZ_4); + static struct gpio edb7211_gpios[] __initconst = { { EDB7211_LCD_DC_DC_EN, GPIOF_OUT_INIT_LOW, "LCD DC-DC" }, { EDB7211_LCDEN, GPIOF_OUT_INIT_LOW, "LCD POWER" }, - { EDB7211_LCDBL, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT" }, }; /* Reserve screen memory region at the start of main system memory. */ @@ -153,12 +154,18 @@ static void __init edb7211_init_late(void) gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios)); platform_device_register(&edb7211_flash_pdev); + platform_device_register_data(NULL, "platform-lcd", 0, &edb7211_lcd_power_pdata, sizeof(edb7211_lcd_power_pdata)); - platform_device_register_data(NULL, "generic-bl", 0, - &edb7211_lcd_backlight_pdata, - sizeof(edb7211_lcd_backlight_pdata)); + + platform_device_register_simple("clps711x-pwm", PLATFORM_DEVID_NONE, + &clps711x_pwm_res, 1); + pwm_add_table(edb7211_pwm_lookup, ARRAY_SIZE(edb7211_pwm_lookup)); + + platform_device_register_data(&platform_bus, "pwm-backlight", 0, + &pwm_bl_pdata, sizeof(pwm_bl_pdata)); + platform_device_register_simple("video-clps711x", 0, NULL, 0); platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource, ARRAY_SIZE(edb7211_cs8900_resource)); |