Merge branch 'bkl-removal' into next
[pandora-kernel.git] / arch / arm / mach-pxa / lpd270.c
index afa62ff..cc1c4fa 100644 (file)
@@ -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>
@@ -39,6 +40,7 @@
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/pxa2xx-regs.h>
+#include <asm/arch/pxa2xx-gpio.h>
 #include <asm/arch/lpd270.h>
 #include <asm/arch/audio.h>
 #include <asm/arch/pxafb.h>
@@ -133,9 +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;
 }
 
@@ -163,11 +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,
@@ -232,21 +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 = {
@@ -268,7 +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) */
@@ -291,7 +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) */
@@ -314,7 +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) */
@@ -337,7 +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) */
@@ -360,7 +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) */
@@ -383,7 +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;
@@ -413,7 +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],
 };
@@ -453,9 +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);