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| author | eric miao <eric.miao@marvell.com> | 2008-04-13 21:46:34 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-03 13:25:02 +0100 |
| commit | 5cca91479b8ac6a60b61bc56e72389c681387211 (patch) | |
| tree | abc618cb4b94145fe3400dbc80ea8c0e271106fa /arch/arm/mach-pxa/zylonite.c | |
| parent | 42796d37da6ef4fd851dc6d5d0387baf7e2b0c3c (diff) | |
| download | linux-3.10-5cca91479b8ac6a60b61bc56e72389c681387211.tar.gz linux-3.10-5cca91479b8ac6a60b61bc56e72389c681387211.tar.bz2 linux-3.10-5cca91479b8ac6a60b61bc56e72389c681387211.zip | |
[ARM] pxa: make zylonite use the generic PWM backlight driver
Patch mostly by Eric Miao, minor edits by rmk.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/zylonite.c')
| -rw-r--r-- | arch/arm/mach-pxa/zylonite.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c index 4a0028087ea..b13bb938513 100644 --- a/arch/arm/mach-pxa/zylonite.c +++ b/arch/arm/mach-pxa/zylonite.c @@ -18,6 +18,7 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/pwm_backlight.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -28,12 +29,12 @@ #include <asm/arch/mmc.h> #include <asm/arch/pxa27x_keypad.h> +#include "devices.h" #include "generic.h" #define MAX_SLOTS 3 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS]; -int gpio_backlight; int gpio_eth_irq; int wm9713_irq; @@ -62,10 +63,20 @@ static struct platform_device smc91x_device = { }; #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) -static void zylonite_backlight_power(int on) -{ - gpio_set_value(gpio_backlight, on); -} +static struct platform_pwm_backlight_data zylonite_backlight_data = { + .pwm_id = 3, + .max_brightness = 100, + .dft_brightness = 100, + .pwm_period_ns = 10000, +}; + +static struct platform_device zylonite_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm1.dev, + .platform_data = &zylonite_backlight_data, + }, +}; static struct pxafb_mode_info toshiba_ltm035a776c_mode = { .pixclock = 110000, @@ -98,7 +109,6 @@ static struct pxafb_mode_info toshiba_ltm04c380k_mode = { static struct pxafb_mach_info zylonite_toshiba_lcd_info = { .num_modes = 1, .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, - .pxafb_backlight_power = zylonite_backlight_power, }; static struct pxafb_mode_info sharp_ls037_modes[] = { @@ -134,13 +144,11 @@ static struct pxafb_mach_info zylonite_sharp_lcd_info = { .modes = sharp_ls037_modes, .num_modes = 2, .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, - .pxafb_backlight_power = zylonite_backlight_power, }; static void __init zylonite_init_lcd(void) { - /* backlight GPIO: output, default on */ - gpio_direction_output(gpio_backlight, 1); + platform_device_register(&zylonite_backlight_device); if (lcd_id & 0x20) { set_pxa_fb_info(&zylonite_sharp_lcd_info); |