diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 16:06:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 16:06:58 -0700 |
commit | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (patch) | |
tree | edbc09b7945994f78668d218fa02e991c3b3b365 /arch/arm/mach-pxa/lpd270.c | |
parent | 666484f0250db2e016948d63b3ef33e202e3b8d0 (diff) | |
parent | 53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits)
[ARM] 5171/1: ep93xx: fix compilation of modules using clocks
[ARM] 5133/2: at91sam9g20 defconfig file
[ARM] 5130/4: Support for the at91sam9g20
[ARM] 5160/1: IOP3XX: gpio/gpiolib support
[ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits.
[ARM] 5084/1: zylonite: Register AC97 device
[ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model
[ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers
[ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting
[ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
[ARM] 5144/1: pxaficp_ir: cleanup includes
[ARM] pxa: remove pxa_set_cken()
[ARM] pxa: allow clk aliases
[ARM] Feroceon: don't disable BPU on boot
[ARM] Orion: LED support for HP mv2120
[ARM] Orion: add RD88F5181L-FXO support
[ARM] Orion: add RD88F5181L-GE support
[ARM] Orion: add Netgear WNR854T support
[ARM] s3c2410_defconfig: update for current build
[ARM] Acer n30: Minor style and indentation fixes.
...
Diffstat (limited to 'arch/arm/mach-pxa/lpd270.c')
-rw-r--r-- | arch/arm/mach-pxa/lpd270.c | 55 |
1 files changed, 25 insertions, 30 deletions
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index a20e4b1649d..cc1c4fa0614 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -23,6 +23,7 @@ #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/pwm_backlight.h> #include <asm/types.h> #include <asm/setup.h> @@ -134,9 +135,12 @@ static struct sys_device lpd270_irq_device = { static int __init lpd270_irq_device_init(void) { - int ret = sysdev_class_register(&lpd270_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&lpd270_irq_device); + int ret = -ENODEV; + if (machine_is_logicpd_pxa270()) { + ret = sysdev_class_register(&lpd270_irq_sysclass); + if (ret == 0) + ret = sysdev_register(&lpd270_irq_device); + } return ret; } @@ -164,11 +168,6 @@ static struct platform_device smc91x_device = { .resource = smc91x_resources, }; -static struct platform_device lpd270_audio_device = { - .name = "pxa2xx-ac97", - .id = -1, -}; - static struct resource lpd270_flash_resources[] = { [0] = { .start = PXA_CS0_PHYS, @@ -233,21 +232,20 @@ static struct platform_device lpd270_flash_device[2] = { }, }; -static void lpd270_backlight_power(int on) -{ - if (on) { - pxa_gpio_mode(GPIO16_PWM0_MD); - pxa_set_cken(CKEN_PWM0, 1); - PWM_CTRL0 = 0; - PWM_PWDUTY0 = 0x3ff; - PWM_PERVAL0 = 0x3ff; - } else { - PWM_CTRL0 = 0; - PWM_PWDUTY0 = 0x0; - PWM_PERVAL0 = 0x3FF; - pxa_set_cken(CKEN_PWM0, 0); - } -} +static struct platform_pwm_backlight_data lpd270_backlight_data = { + .pwm_id = 0, + .max_brightness = 1, + .dft_brightness = 1, + .pwm_period_ns = 78770, +}; + +static struct platform_device lpd270_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &lpd270_backlight_data, + }, +}; /* 5.7" TFT QVGA (LoLo display number 1) */ static struct pxafb_mode_info sharp_lq057q3dc02_mode = { @@ -269,7 +267,6 @@ static struct pxafb_mach_info sharp_lq057q3dc02 = { .num_modes = 1, .lccr0 = 0x07800080, .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, }; /* 12.1" TFT SVGA (LoLo display number 2) */ @@ -292,7 +289,6 @@ static struct pxafb_mach_info sharp_lq121s1dg31 = { .num_modes = 1, .lccr0 = 0x07800080, .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, }; /* 3.6" TFT QVGA (LoLo display number 3) */ @@ -315,7 +311,6 @@ static struct pxafb_mach_info sharp_lq036q1da01 = { .num_modes = 1, .lccr0 = 0x07800080, .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, }; /* 6.4" TFT VGA (LoLo display number 5) */ @@ -338,7 +333,6 @@ static struct pxafb_mach_info sharp_lq64d343 = { .num_modes = 1, .lccr0 = 0x07800080, .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, }; /* 10.4" TFT VGA (LoLo display number 7) */ @@ -361,7 +355,6 @@ static struct pxafb_mach_info sharp_lq10d368 = { .num_modes = 1, .lccr0 = 0x07800080, .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, }; /* 3.5" TFT QVGA (LoLo display number 8) */ @@ -384,7 +377,6 @@ static struct pxafb_mach_info sharp_lq035q7db02_20 = { .num_modes = 1, .lccr0 = 0x07800080, .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, }; static struct pxafb_mach_info *lpd270_lcd_to_use; @@ -414,7 +406,7 @@ __setup("lcd=", lpd270_set_lcd); static struct platform_device *platform_devices[] __initdata = { &smc91x_device, - &lpd270_audio_device, + &lpd270_backlight_device, &lpd270_flash_device[0], &lpd270_flash_device[1], }; @@ -454,9 +446,12 @@ static void __init lpd270_init(void) * On LogicPD PXA270, we route AC97_SYSCLK via GPIO45. */ pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD); + pxa_gpio_mode(GPIO16_PWM0_MD); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + pxa_set_ac97_info(NULL); + if (lpd270_lcd_to_use != NULL) set_pxa_fb_info(lpd270_lcd_to_use); |