diff options
Diffstat (limited to 'arch/arm/mach-pxa')
26 files changed, 729 insertions, 189 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 5da7a682049..914bb33dab9 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -20,8 +20,7 @@ endmenu endif -choice - prompt "Select target board" +menu "Select target boards" config ARCH_GUMSTIX bool "Gumstix XScale boards" @@ -37,10 +36,12 @@ config ARCH_LUBBOCK config MACH_LOGICPD_PXA270 bool "LogicPD PXA270 Card Engine Development Platform" select PXA27x + select HAVE_PWM config MACH_MAINSTONE bool "Intel HCDDBBVA0 Development Platform" select PXA27x + select HAVE_PWM config ARCH_PXA_IDP bool "Accelent Xscale IDP" @@ -116,6 +117,7 @@ config MACH_COLIBRI config MACH_ZYLONITE bool "PXA3xx Development Platform" select PXA3xx + select HAVE_PWM config MACH_LITTLETON bool "PXA3xx Form Factor Platform (aka Littleton)" @@ -138,7 +140,7 @@ config MACH_PCM027 select PXA27x select IWMMXT -endchoice +endmenu choice prompt "Used baseboard" @@ -146,25 +148,24 @@ choice config MACH_PCM990_BASEBOARD bool "PHYTEC PCM-990 development board" + select HAVE_PWM endchoice -if PXA_SHARPSL - choice - prompt "Select target Sharp Zaurus device range" + prompt "display on pcm990" + depends on MACH_PCM990_BASEBOARD -config PXA_SHARPSL_25x - bool "Sharp PXA25x models (SL-5600, SL-C7xx and SL-C6000x)" - select PXA25x +config PCM990_DISPLAY_SHARP + bool "sharp lq084v1dg21 stn display" -config PXA_SHARPSL_27x - bool "Sharp PXA270 models (SL-Cxx00)" - select PXA27x +config PCM990_DISPLAY_NEC + bool "nec nl6448bc20_18d tft display" -endchoice +config PCM990_DISPLAY_NONE + bool "no display" -endif +endchoice if ARCH_GUMSTIX @@ -199,28 +200,33 @@ endmenu config MACH_POODLE bool "Enable Sharp SL-5600 (Poodle) Support" - depends on PXA_SHARPSL_25x + depends on PXA_SHARPSL + select PXA25x select SHARP_LOCOMO select PXA_SSP config MACH_CORGI bool "Enable Sharp SL-C700 (Corgi) Support" - depends on PXA_SHARPSL_25x + depends on PXA_SHARPSL + select PXA25x select PXA_SHARP_C7xx config MACH_SHEPHERD bool "Enable Sharp SL-C750 (Shepherd) Support" - depends on PXA_SHARPSL_25x + depends on PXA_SHARPSL + select PXA25x select PXA_SHARP_C7xx config MACH_HUSKY bool "Enable Sharp SL-C760 (Husky) Support" - depends on PXA_SHARPSL_25x + depends on PXA_SHARPSL + select PXA25x select PXA_SHARP_C7xx config MACH_AKITA bool "Enable Sharp SL-1000 (Akita) Support" - depends on PXA_SHARPSL_27x + depends on PXA_SHARPSL + select PXA27x select PXA_SHARP_Cxx00 select MACH_SPITZ select I2C @@ -228,17 +234,20 @@ config MACH_AKITA config MACH_SPITZ bool "Enable Sharp Zaurus SL-3000 (Spitz) Support" - depends on PXA_SHARPSL_27x + depends on PXA_SHARPSL + select PXA27x select PXA_SHARP_Cxx00 config MACH_BORZOI bool "Enable Sharp Zaurus SL-3100 (Borzoi) Support" - depends on PXA_SHARPSL_27x + depends on PXA_SHARPSL + select PXA27x select PXA_SHARP_Cxx00 config MACH_TOSA bool "Enable Sharp SL-6000x (Tosa) Support" - depends on PXA_SHARPSL_25x + depends on PXA_SHARPSL + select PXA25x config PXA25x bool @@ -273,4 +282,10 @@ config PXA_SSP tristate help Enable support for PXA2xx SSP ports + +config PXA_PWM + tristate + default BACKLIGHT_PWM + help + Enable support for PXA2xx/PXA3xx PWM controllers endif diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 0e6d05bb81a..02cbc3cfbe0 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_CPU_FREQ) += cpu-pxa.o # Generic drivers that other drivers may depend upon obj-$(CONFIG_PXA_SSP) += ssp.o +obj-$(CONFIG_PXA_PWM) += pwm.o # SoC-specific code obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa25x.o diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index 68afc396b4a..b4d04955dcb 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -12,7 +12,7 @@ #include <linux/platform_device.h> #include <linux/delay.h> -#include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include <asm/hardware.h> diff --git a/arch/arm/mach-pxa/cm-x270-pci.c b/arch/arm/mach-pxa/cm-x270-pci.c index ac7f05f9f3e..319c9ff3ab9 100644 --- a/arch/arm/mach-pxa/cm-x270-pci.c +++ b/arch/arm/mach-pxa/cm-x270-pci.c @@ -41,18 +41,20 @@ void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size, { unsigned int sz = SZ_64M >> PAGE_SHIFT; - pr_info("Adjusting zones for CM-x270\n"); - - /* - * Only adjust if > 64M on current system - */ - if (node || (zone_size[0] <= sz)) - return; - - zone_size[1] = zone_size[0] - sz; - zone_size[0] = sz; - zhole_size[1] = zhole_size[0]; - zhole_size[0] = 0; + if (machine_is_armcore()) { + pr_info("Adjusting zones for CM-x270\n"); + + /* + * Only adjust if > 64M on current system + */ + if (node || (zone_size[0] <= sz)) + return; + + zone_size[1] = zone_size[0] - sz; + zone_size[0] = sz; + zhole_size[1] = zhole_size[0]; + zhole_size[0] = 0; + } } static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc) diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index b757dd75665..b37671b7188 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -36,6 +36,7 @@ #include <asm/mach/irq.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include <asm/arch/irda.h> #include <asm/arch/mmc.h> diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c index 0a85f706e88..e91c0f26c41 100644 --- a/arch/arm/mach-pxa/corgi_pm.c +++ b/arch/arm/mach-pxa/corgi_pm.c @@ -26,6 +26,7 @@ #include <asm/arch/sharpsl.h> #include <asm/arch/corgi.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include "sharpsl.h" @@ -204,7 +205,9 @@ static struct sharpsl_charger_machinfo corgi_pm_machinfo = { .read_devdata = corgipm_read_devdata, .charger_wakeup = corgi_charger_wakeup, .should_wakeup = corgi_should_wakeup, +#ifdef CONFIG_BACKLIGHT_CORGI .backlight_limit = corgibl_limit_intensity, +#endif .charge_on_volt = SHARPSL_CHARGE_ON_VOLT, .charge_on_temp = SHARPSL_CHARGE_ON_TEMP, .charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH, @@ -226,6 +229,10 @@ static int __devinit corgipm_init(void) { int ret; + if (!machine_is_corgi() && !machine_is_shepherd() + && !machine_is_husky()) + return -ENODEV; + corgipm_device = platform_device_alloc("sharpsl-pm", -1); if (!corgipm_device) return -ENOMEM; diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index d6c05b6eab3..4a1eebb42e4 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -10,11 +10,13 @@ #include <asm/arch/mmc.h> #include <asm/arch/irda.h> #include <asm/arch/i2c.h> +#include <asm/arch/mfp-pxa27x.h> #include <asm/arch/ohci.h> #include <asm/arch/pxa27x_keypad.h> #include <asm/arch/camera.h> #include "devices.h" +#include "generic.h" void __init pxa_register_device(struct platform_device *dev, void *data) { @@ -233,8 +235,15 @@ struct platform_device pxa_device_i2c = { .num_resources = ARRAY_SIZE(pxai2c_resources), }; +static unsigned long pxa27x_i2c_mfp_cfg[] = { + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, +}; + void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info) { + if (cpu_is_pxa27x()) + pxa2xx_mfp_config(ARRAY_AND_SIZE(pxa27x_i2c_mfp_cfg)); pxa_register_device(&pxa_device_i2c, info); } @@ -280,6 +289,36 @@ struct platform_device pxa_device_rtc = { #ifdef CONFIG_PXA25x +static struct resource pxa25x_resource_pwm0[] = { + [0] = { + .start = 0x40b00000, + .end = 0x40b0000f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa25x_device_pwm0 = { + .name = "pxa25x-pwm", + .id = 0, + .resource = pxa25x_resource_pwm0, + .num_resources = ARRAY_SIZE(pxa25x_resource_pwm0), +}; + +static struct resource pxa25x_resource_pwm1[] = { + [0] = { + .start = 0x40c00000, + .end = 0x40c0000f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa25x_device_pwm1 = { + .name = "pxa25x-pwm", + .id = 1, + .resource = pxa25x_resource_pwm1, + .num_resources = ARRAY_SIZE(pxa25x_resource_pwm1), +}; + static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32); static struct resource pxa25x_resource_ssp[] = { @@ -568,6 +607,36 @@ struct platform_device pxa27x_device_ssp3 = { .num_resources = ARRAY_SIZE(pxa27x_resource_ssp3), }; +static struct resource pxa27x_resource_pwm0[] = { + [0] = { + .start = 0x40b00000, + .end = 0x40b0001f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa27x_device_pwm0 = { + .name = "pxa27x-pwm", + .id = 0, + .resource = pxa27x_resource_pwm0, + .num_resources = ARRAY_SIZE(pxa27x_resource_pwm0), +}; + +static struct resource pxa27x_resource_pwm1[] = { + [0] = { + .start = 0x40c00000, + .end = 0x40c0001f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa27x_device_pwm1 = { + .name = "pxa27x-pwm", + .id = 1, + .resource = pxa27x_resource_pwm1, + .num_resources = ARRAY_SIZE(pxa27x_resource_pwm1), +}; + static struct resource pxa27x_resource_camera[] = { [0] = { .start = 0x50000000, diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h index fcab017f27e..e620a3373d4 100644 --- a/arch/arm/mach-pxa/devices.h +++ b/arch/arm/mach-pxa/devices.h @@ -24,4 +24,9 @@ extern struct platform_device pxa27x_device_ssp2; extern struct platform_device pxa27x_device_ssp3; extern struct platform_device pxa3xx_device_ssp4; +extern struct platform_device pxa25x_device_pwm0; +extern struct platform_device pxa25x_device_pwm1; +extern struct platform_device pxa27x_device_pwm0; +extern struct platform_device pxa27x_device_pwm1; + void __init pxa_register_device(struct platform_device *dev, void *data); diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index edc4f07a230..1269ac99150 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -24,6 +24,7 @@ #include <asm/arch/pxa-regs.h> #include <asm/arch/pxa2xx-gpio.h> +#include <asm/arch/pxa27x-udc.h> #include <asm/arch/pxafb.h> #include <asm/arch/ohci.h> #include <asm/arch/mmc.h> diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 44617938f3f..c2f102339f5 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -26,6 +26,7 @@ #include <asm/mach/map.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> /* for __pxa_set_cken */ #include "generic.h" diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index a20e4b1649d..183b587672a 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; } @@ -233,21 +237,20 @@ 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 +272,6 @@ 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 +294,6 @@ 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 +316,6 @@ 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 +338,6 @@ 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 +360,6 @@ 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 +382,6 @@ 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; @@ -414,6 +411,7 @@ __setup("lcd=", lpd270_set_lcd); static struct platform_device *platform_devices[] __initdata = { &smc91x_device, + &lpd270_backlight_device, &lpd270_audio_device, &lpd270_flash_device[0], &lpd270_flash_device[1], @@ -454,6 +452,7 @@ 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)); diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index badba064dc0..01b2fa79021 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -25,6 +25,7 @@ #include <linux/mtd/map.h> #include <linux/mtd/physmap.h> #include <linux/pda_power.h> +#include <linux/pwm_backlight.h> #include <asm/gpio.h> #include <asm/hardware.h> @@ -33,12 +34,14 @@ #include <asm/arch/magician.h> #include <asm/arch/mfp-pxa27x.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxafb.h> #include <asm/arch/i2c.h> #include <asm/arch/mmc.h> #include <asm/arch/irda.h> #include <asm/arch/ohci.h> +#include "devices.h" #include "generic.h" static unsigned long magician_pin_config[] = { @@ -348,40 +351,58 @@ static struct pxafb_mach_info samsung_info = { * Backlight */ -static void magician_set_bl_intensity(int intensity) +static int magician_backlight_init(struct device *dev) { - if (intensity) { - PWM_CTRL0 = 1; - PWM_PERVAL0 = 0xc8; - if (intensity > 0xc7) { - PWM_PWDUTY0 = intensity - 0x48; - gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); - } else { - PWM_PWDUTY0 = intensity; - gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); - } - gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1); - pxa_set_cken(CKEN_PWM0, 1); + int ret; + + ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER"); + if (ret) + goto err; + ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2"); + if (ret) + goto err2; + return 0; + +err2: + gpio_free(EGPIO_MAGICIAN_BL_POWER); +err: + return ret; +} + +static int magician_backlight_notify(int brightness) +{ + gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness); + if (brightness >= 200) { + gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); + return brightness - 72; } else { - /* PWM_PWDUTY0 = intensity; */ - gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0); - pxa_set_cken(CKEN_PWM0, 0); + gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); + return brightness; } } -static struct generic_bl_info backlight_info = { - .default_intensity = 0x64, - .limit_mask = 0x0b, - .max_intensity = 0xc7+0x48, - .set_bl_intensity = magician_set_bl_intensity, +static void magician_backlight_exit(struct device *dev) +{ + gpio_free(EGPIO_MAGICIAN_BL_POWER); + gpio_free(EGPIO_MAGICIAN_BL_POWER2); +} + +static struct platform_pwm_backlight_data backlight_data = { + .pwm_id = 0, + .max_brightness = 272, + .dft_brightness = 100, + .pwm_period_ns = 30923, + .init = magician_backlight_init, + .notify = magician_backlight_notify, + .exit = magician_backlight_exit, }; static struct platform_device backlight = { - .name = "generic-bl", + .name = "pwm-backlight", .dev = { - .platform_data = &backlight_info, + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &backlight_data, }, - .id = -1, }; /* diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 7399fb34da4..266594426e8 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -23,9 +23,9 @@ #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> -#include <linux/backlight.h> #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/pwm_backlight.h> #include <asm/types.h> #include <asm/setup.h> @@ -349,56 +349,27 @@ static struct platform_device mst_flash_device[2] = { }, }; -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE -static int mainstone_backlight_update_status(struct backlight_device *bl) -{ - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK || - bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - if (brightness != 0) - pxa_set_cken(CKEN_PWM0, 1); - - PWM_CTRL0 = 0; - PWM_PWDUTY0 = brightness; - PWM_PERVAL0 = bl->props.max_brightness; - - if (brightness == 0) - pxa_set_cken(CKEN_PWM0, 0); - return 0; /* pointless return value */ -} - -static int mainstone_backlight_get_brightness(struct backlight_device *bl) -{ - return PWM_PWDUTY0; -} +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct platform_pwm_backlight_data mainstone_backlight_data = { + .pwm_id = 0, + .max_brightness = 1023, + .dft_brightness = 1023, + .pwm_period_ns = 78770, +}; -static /*const*/ struct backlight_ops mainstone_backlight_ops = { - .update_status = mainstone_backlight_update_status, - .get_brightness = mainstone_backlight_get_brightness, +static struct platform_device mainstone_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &mainstone_backlight_data, + }, }; static void __init mainstone_backlight_register(void) { - struct backlight_device *bl; - - bl = backlight_device_register("mainstone-bl", &pxa_device_fb.dev, - NULL, &mainstone_backlight_ops); - if (IS_ERR(bl)) { - printk(KERN_ERR "mainstone: unable to register backlight: %ld\n", - PTR_ERR(bl)); - return; - } - - /* - * broken design - register-then-setup interfaces are - * utterly broken by definition. - */ - bl->props.max_brightness = 1023; - bl->props.brightness = 1023; - backlight_update_status(bl); + int ret = platform_device_register(&mainstone_backlight_device); + if (ret) + printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret); } #else #define mainstone_backlight_register() do { } while (0) diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index 22097a1707c..d1cdb4ecb0b 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -20,6 +20,7 @@ #include <asm/arch/hardware.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/mfp-pxa2xx.h> #include "generic.h" diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c index 49d951db0f3..2564e16e4e2 100644 --- a/arch/arm/mach-pxa/pcm990-baseboard.c +++ b/arch/arm/mach-pxa/pcm990-baseboard.c @@ -24,6 +24,7 @@ #include <linux/platform_device.h> #include <linux/ide.h> #include <linux/i2c.h> +#include <linux/pwm_backlight.h> #include <media/soc_camera.h> @@ -36,9 +37,99 @@ #include <asm/arch/mmc.h> #include <asm/arch/ohci.h> #include <asm/arch/pcm990_baseboard.h> +#include <asm/arch/pxafb.h> + +#include "devices.h" + +/* + * pcm990_lcd_power - control power supply to the LCD + * @on: 0 = switch off, 1 = switch on + * + * Called by the pxafb driver + */ +#ifndef CONFIG_PCM990_DISPLAY_NONE +static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var) +{ + if (on) { + /* enable LCD-Latches + * power on LCD + */ + __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = + PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON; + } else { + /* disable LCD-Latches + * power off LCD + */ + __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = 0x00; + } +} +#endif + +#if defined(CONFIG_PCM990_DISPLAY_SHARP) +static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = { + .pixclock = 28000, + .xres = 640, + .yres = 480, + .bpp = 16, + .hsync_len = 20, + .left_margin = 103, + .right_margin = 47, + .vsync_len = 6, + .upper_margin = 28, + .lower_margin = 5, + .sync = 0, + .cmap_greyscale = 0, +}; + +static struct pxafb_mach_info pcm990_fbinfo __initdata = { + .modes = &fb_info_sharp_lq084v1dg21, + .num_modes = 1, + .lccr0 = LCCR0_PAS, + .lccr3 = LCCR3_PCP, + .pxafb_lcd_power = pcm990_lcd_power, +}; +#elif defined(CONFIG_PCM990_DISPLAY_NEC) +struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = { + .pixclock = 39720, + .xres = 640, + .yres = 480, + .bpp = 16, + .hsync_len = 32, + .left_margin = 16, + .right_margin = 48, + .vsync_len = 2, + .upper_margin = 12, + .lower_margin = 17, + .sync = 0, + .cmap_greyscale = 0, +}; + +static struct pxafb_mach_info pcm990_fbinfo __initdata = { + .modes = &fb_info_nec_nl6448bc20_18d, + .num_modes = 1, + .lccr0 = LCCR0_Act, + .lccr3 = LCCR3_PixFlEdg, + .pxafb_lcd_power = pcm990_lcd_power, +}; +#endif + +static struct platform_pwm_backlight_data pcm990_backlight_data = { + .pwm_id = 0, + .max_brightness = 1023, + .dft_brightness = 1023, + .pwm_period_ns = 78770, +}; + +static struct platform_device pcm990_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &pcm990_backlight_data, + }, +}; /* - * The PCM-990 development baseboard uses PCM-027's hardeware in the + * The PCM-990 development baseboard uses PCM-027's hardware in the * following way: * * - LCD support is in use @@ -393,6 +484,12 @@ void __init pcm990_baseboard_init(void) /* register CPLD's IRQ controller */ pcm990_init_irq(); +#ifndef CONFIG_PCM990_DISPLAY_NONE + set_pxa_fb_info(&pcm990_fbinfo); +#endif + pxa_gpio_mode(GPIO16_PWM0_MD); + platform_device_register(&pcm990_backlight_device); + platform_device_register(&pxa27x_device_ac97); /* MMC */ diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 0b30f25cff3..f81c10cafd4 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -32,6 +32,7 @@ #include <asm/mach/irq.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include <asm/arch/mmc.h> #include <asm/arch/udc.h> diff --git a/arch/arm/mach-pxa/pwm.c b/arch/arm/mach-pxa/pwm.c new file mode 100644 index 00000000000..ce28cd9fed1 --- /dev/null +++ b/arch/arm/mach-pxa/pwm.c @@ -0,0 +1,319 @@ +/* + * linux/arch/arm/mach-pxa/pwm.c + * + * simple driver for PWM (Pulse Width Modulator) controller + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 2008-02-13 initial version + * eric miao <eric.miao@marvell.com> + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/pwm.h> + +#include <asm/div64.h> +#include <asm/arch/pxa-regs.h> + +/* PWM registers and bits definitions */ +#define PWMCR (0x00) +#define PWMDCR (0x04) +#define PWMPCR (0x08) + +#define PWMCR_SD (1 << 6) +#define PWMDCR_FD (1 << 10) + +struct pwm_device { + struct list_head node; + struct platform_device *pdev; + + const char *label; + struct clk *clk; + int clk_enabled; + void __iomem *mmio_base; + + unsigned int use_count; + unsigned int pwm_id; +}; + +/* + * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE + * duty_ns = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE + */ +int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) +{ + unsigned long long c; + unsigned long period_cycles, prescale, pv, dc; + + if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) + return -EINVAL; + + c = clk_get_rate(pwm->clk); + c = c * period_ns; + do_div(c, 1000000000); + period_cycles = c; + + if (period_cycles < 0) + period_cycles = 1; + prescale = (period_cycles - 1) / 1024; + pv = period_cycles / (prescale + 1) - 1; + + if (prescale > 63) + return -EINVAL; + + if (duty_ns == period_ns) + dc = PWMDCR_FD; + else + dc = (pv + 1) * duty_ns / period_ns; + + /* NOTE: the clock to PWM has to be enabled first + * before writing to the registers + */ + clk_enable(pwm->clk); + __raw_writel(prescale, pwm->mmio_base + PWMCR); + __raw_writel(dc, pwm->mmio_base + PWMDCR); + __raw_writel(pv, pwm->mmio_base + PWMPCR); + clk_disable(pwm->clk); + + return 0; +} +EXPORT_SYMBOL(pwm_config); + +int pwm_enable(struct pwm_device *pwm) +{ + int rc = 0; + + if (!pwm->clk_enabled) { + rc = clk_enable(pwm->clk); + if (!rc) + pwm->clk_enabled = 1; + } + return rc; +} +EXPORT_SYMBOL(pwm_enable); + +void pwm_disable(struct pwm_device *pwm) +{ + if (pwm->clk_enabled) { + clk_disable(pwm->clk); + pwm->clk_enabled = 0; + } +} +EXPORT_SYMBOL(pwm_disable); + +static DEFINE_MUTEX(pwm_lock); +static LIST_HEAD(pwm_list); + +struct pwm_device *pwm_request(int pwm_id, const char *label) +{ + struct pwm_device *pwm; + int found = 0; + + mutex_lock(&pwm_lock); + + list_for_each_entry(pwm, &pwm_list, node) { + if (pwm->pwm_id == pwm_id) { + found = 1; + break; + } + } + + if (found) { + if (pwm->use_count == 0) { + pwm->use_count++; + pwm->label = label; + } else + pwm = ERR_PTR(-EBUSY); + } else + pwm = ERR_PTR(-ENOENT); + + mutex_unlock(&pwm_lock); + return pwm; +} +EXPORT_SYMBOL(pwm_request); + +void pwm_free(struct pwm_device *pwm) +{ + mutex_lock(&pwm_lock); + + if (pwm->use_count) { + pwm->use_count--; + pwm->label = NULL; + } else + pr_warning("PWM device already freed\n"); + + mutex_unlock(&pwm_lock); +} +EXPORT_SYMBOL(pwm_free); + +static inline void __add_pwm(struct pwm_device *pwm) +{ + mutex_lock(&pwm_lock); + list_add_tail(&pwm->node, &pwm_list); + mutex_unlock(&pwm_lock); +} + +static struct pwm_device *pwm_probe(struct platform_device *pdev, + unsigned int pwm_id, struct pwm_device *parent_pwm) +{ + struct pwm_device *pwm; + struct resource *r; + int ret = 0; + + pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); + if (pwm == NULL) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return ERR_PTR(-ENOMEM); + } + + pwm->clk = clk_get(&pdev->dev, "PWMCLK"); + if (IS_ERR(pwm->clk)) { + ret = PTR_ERR(pwm->clk); + goto err_free; + } + pwm->clk_enabled = 0; + + pwm->use_count = 0; + pwm->pwm_id = pwm_id; + pwm->pdev = pdev; + + if (parent_pwm != NULL) { + /* registers for the second PWM has offset of 0x10 */ + pwm->mmio_base = parent_pwm->mmio_base + 0x10; + __add_pwm(pwm); + return pwm; + } + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (r == NULL) { + dev_err(&pdev->dev, "no memory resource defined\n"); + ret = -ENODEV; + goto err_free_clk; + } + + r = request_mem_region(r->start, r->end - r->start + 1, pdev->name); + if (r == NULL) { + dev_err(&pdev->dev, "failed to request memory resource\n"); + ret = -EBUSY; + goto err_free_clk; + } + + pwm->mmio_base = ioremap(r->start, r->end - r->start + 1); + if (pwm->mmio_base == NULL) { + dev_err(&pdev->dev, "failed to ioremap() registers\n"); + ret = -ENODEV; + goto err_free_mem; + } + + __add_pwm(pwm); + platform_set_drvdata(pdev, pwm); + return pwm; + +err_free_mem: + release_mem_region(r->start, r->end - r->start + 1); +err_free_clk: + clk_put(pwm->clk); +err_free: + kfree(pwm); + return ERR_PTR(ret); +} + +static int __devinit pxa25x_pwm_probe(struct platform_device *pdev) +{ + struct pwm_device *pwm = pwm_probe(pdev, pdev->id, NULL); + + if (IS_ERR(pwm)) + return PTR_ERR(pwm); + + return 0; +} + +static int __devinit pxa27x_pwm_probe(struct platform_device *pdev) +{ + struct pwm_device *pwm; + + pwm = pwm_probe(pdev, pdev->id, NULL); + if (IS_ERR(pwm)) + return PTR_ERR(pwm); + + pwm = pwm_probe(pdev, pdev->id + 2, pwm); + if (IS_ERR(pwm)) + return PTR_ERR(pwm); + + return 0; +} + +static int __devexit pwm_remove(struct platform_device *pdev) +{ + struct pwm_device *pwm; + struct resource *r; + + pwm = platform_get_drvdata(pdev); + if (pwm == NULL) + return -ENODEV; + + mutex_lock(&pwm_lock); + list_del(&pwm->node); + mutex_unlock(&pwm_lock); + + iounmap(pwm->mmio_base); + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(r->start, r->end - r->start + 1); + + clk_put(pwm->clk); + kfree(pwm); + return 0; +} + +static struct platform_driver pxa25x_pwm_driver = { + .driver = { + .name = "pxa25x-pwm", + }, + .probe = pxa25x_pwm_probe, + .remove = __devexit_p(pwm_remove), +}; + +static struct platform_driver pxa27x_pwm_driver = { + .driver = { + .name = "pxa27x-pwm", + }, + .probe = pxa27x_pwm_probe, + .remove = __devexit_p(pwm_remove), +}; + +static int __init pwm_init(void) +{ + int ret = 0; + + ret = platform_driver_register(&pxa25x_pwm_driver); + if (ret) { + printk(KERN_ERR "failed to register pxa25x_pwm_driver\n"); + return ret; + } + + ret = platform_driver_register(&pxa27x_pwm_driver); + if (ret) { + printk(KERN_ERR "failed to register pxa27x_pwm_driver\n"); + return ret; + } + + return ret; +} +arch_initcall(pwm_init); + +static void __exit pwm_exit(void) +{ + platform_driver_unregister(&pxa25x_pwm_driver); + platform_driver_unregister(&pxa27x_pwm_driver); +} +module_exit(pwm_exit); + +MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index 09ee131d24a..a1a7dd23ce5 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -26,6 +26,7 @@ #include <asm/hardware.h> #include <asm/arch/irqs.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/mfp-pxa25x.h> #include <asm/arch/pm.h> #include <asm/arch/dma.h> @@ -133,12 +134,12 @@ static struct clk pxa25x_clks[] = { INIT_CKEN("SSPCLK", SSP, 3686400, 0, &pxa25x_device_ssp.dev), INIT_CKEN("SSPCLK", NSSP, 3686400, 0, &pxa25x_device_nssp.dev), INIT_CKEN("SSPCLK", ASSP, 3686400, 0, &pxa25x_device_assp.dev), + INIT_CKEN("PWMCLK", PWM0, 3686400, 0, &pxa25x_device_pwm0.dev), + INIT_CKEN("PWMCLK", PWM1, 3686400, 0, &pxa25x_device_pwm1.dev), INIT_CKEN("AC97CLK", AC97, 24576000, 0, NULL), /* - INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL), - INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL), INIT_CKEN("I2SCLK", I2S, 14745600, 0, NULL), */ INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL), @@ -275,6 +276,8 @@ static struct platform_device *pxa25x_devices[] __initdata = { &pxa25x_device_ssp, &pxa25x_device_nssp, &pxa25x_device_assp, + &pxa25x_device_pwm0, + &pxa25x_device_pwm1, }; static struct sys_device pxa25x_sysdev[] = { diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 7e945836e12..4d7afae352a 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -157,12 +157,13 @@ static struct clk pxa27x_clks[] = { INIT_CKEN("SSPCLK", SSP1, 13000000, 0, &pxa27x_device_ssp1.dev), INIT_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev), INIT_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev), + INIT_CKEN("PWMCLK", PWM0, 13000000, 0, &pxa27x_device_pwm0.dev), + INIT_CKEN("PWMCLK", PWM1, 13000000, 0, &pxa27x_device_pwm1.dev), INIT_CKEN("AC97CLK", AC97, 24576000, 0, NULL), INIT_CKEN("AC97CONFCLK", AC97CONF, 24576000, 0, NULL), /* - INIT_CKEN("PWMCLK", PWM0, 13000000, 0, NULL), INIT_CKEN("MSLCLK", MSL, 48000000, 0, NULL), INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL), INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL), @@ -349,11 +350,14 @@ struct platform_device pxa27x_device_i2c_power = { void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info) { + local_irq_disable(); + PCFR |= PCFR_PI2CEN; + local_irq_enable(); pxa27x_device_i2c_power.dev.platform_data = info; } static struct platform_device *devices[] __initdata = { - &pxa_device_udc, +/* &pxa_device_udc, The UDC driver is PXA25x only */ &pxa_device_ffuart, &pxa_device_btuart, &pxa_device_stuart, @@ -363,6 +367,8 @@ static struct platform_device *devices[] __initdata = { &pxa27x_device_ssp1, &pxa27x_device_ssp2, &pxa27x_device_ssp3, + &pxa27x_device_pwm0, + &pxa27x_device_pwm1, }; static struct sys_device pxa27x_sysdev[] = { diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 644550bfa33..d26a9b02a55 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -239,6 +239,8 @@ static struct clk pxa3xx_clks[] = { PXA3xx_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev), PXA3xx_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev), PXA3xx_CKEN("SSPCLK", SSP4, 13000000, 0, &pxa3xx_device_ssp4.dev), + PXA3xx_CKEN("PWMCLK", PWM0, 13000000, 0, &pxa27x_device_pwm0.dev), + PXA3xx_CKEN("PWMCLK", PWM1, 13000000, 0, &pxa27x_device_pwm1.dev), PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev), PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev), @@ -520,7 +522,7 @@ void __init pxa3xx_init_irq(void) */ static struct platform_device *devices[] __initdata = { - &pxa_device_udc, +/* &pxa_device_udc, The UDC driver is PXA25x only */ &pxa_device_ffuart, &pxa_device_btuart, &pxa_device_stuart, @@ -530,6 +532,8 @@ static struct platform_device *devices[] __initdata = { &pxa27x_device_ssp2, &pxa27x_device_ssp3, &pxa3xx_device_ssp4, + &pxa27x_device_pwm0, + &pxa27x_device_pwm1, }; static struct sys_device pxa3xx_sysdev[] = { diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 23f050feb20..360354084ae 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -26,6 +26,7 @@ #include <asm/arch/sharpsl.h> #include <asm/arch/spitz.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include "sharpsl.h" @@ -207,7 +208,9 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = { .read_devdata = spitzpm_read_devdata, .charger_wakeup = spitz_charger_wakeup, .should_wakeup = spitz_should_wakeup, +#ifdef CONFIG_BACKLIGHT_CORGI .backlight_limit = corgibl_limit_intensity, +#endif .charge_on_volt = SHARPSL_CHARGE_ON_VOLT, .charge_on_temp = SHARPSL_CHARGE_ON_TEMP, .charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH, @@ -229,6 +232,10 @@ static int __devinit spitzpm_init(void) { int ret; + if (!machine_is_spitz() && !machine_is_akita() + && !machine_is_borzoi()) + return -ENODEV; + spitzpm_device = platform_device_alloc("sharpsl-pm", -1); if (!spitzpm_device) return -ENOMEM; diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S index 167412e6bec..40bb70eff3f 100644 --- a/arch/arm/mach-pxa/standby.S +++ b/arch/arm/mach-pxa/standby.S @@ -14,6 +14,7 @@ #include <asm/hardware.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> .text @@ -35,20 +36,20 @@ ENTRY(pxa_cpu_standby) #ifdef CONFIG_PXA3xx -#define MDCNFG 0x0000 -#define MDCNFG_DMCEN (1 << 30) -#define DDR_HCAL 0x0060 -#define DDR_HCAL_HCRNG 0x1f -#define DDR_HCAL_HCPROG (1 << 28) -#define DDR_HCAL_HCEN (1 << 31) -#define DMCIER 0x0070 -#define DMCIER_EDLP (1 << 29) -#define DMCISR 0x0078 -#define RCOMP 0x0100 -#define RCOMP_SWEVAL (1 << 31) +#define PXA3_MDCNFG 0x0000 +#define PXA3_MDCNFG_DMCEN (1 << 30) +#define PXA3_DDR_HCAL 0x0060 +#define PXA3_DDR_HCAL_HCRNG 0x1f +#define PXA3_DDR_HCAL_HCPROG (1 << 28) +#define PXA3_DDR_HCAL_HCEN (1 << 31) +#define PXA3_DMCIER 0x0070 +#define PXA3_DMCIER_EDLP (1 << 29) +#define PXA3_DMCISR 0x0078 +#define PXA3_RCOMP 0x0100 +#define PXA3_RCOMP_SWEVAL (1 << 31) ENTRY(pm_enter_standby_start) - mov r1, #0xf6000000 @ DMEMC_REG_BASE (MDCNFG) + mov r1, #0xf6000000 @ DMEMC_REG_BASE (PXA3_MDCNFG) add r1, r1, #0x00100000 /* @@ -59,54 +60,54 @@ ENTRY(pm_enter_standby_start) * This also means that only the dynamic memory controller * can be reliably accessed in the code following standby. */ - ldr r2, [r1] @ Dummy read MDCNFG + ldr r2, [r1] @ Dummy read PXA3_MDCNFG mcr p14, 0, r0, c7, c0, 0 .rept 8 nop .endr - ldr r0, [r1, #DDR_HCAL] @ Clear (and wait for) HCEN - bic r0, r0, #DDR_HCAL_HCEN - str r0, [r1, #DDR_HCAL] -1: ldr r0, [r1, #DDR_HCAL] - tst r0, #DDR_HCAL_HCEN + ldr r0, [r1, #PXA3_DDR_HCAL] @ Clear (and wait for) HCEN + bic r0, r0, #PXA3_DDR_HCAL_HCEN + str r0, [r1, #PXA3_DDR_HCAL] +1: ldr r0, [r1, #PXA3_DDR_HCAL] + tst r0, #PXA3_DDR_HCAL_HCEN bne 1b - ldr r0, [r1, #RCOMP] @ Initiate RCOMP - orr r0, r0, #RCOMP_SWEVAL - str r0, [r1, #RCOMP] + ldr r0, [r1, #PXA3_RCOMP] @ Initiate RCOMP + orr r0, r0, #PXA3_RCOMP_SWEVAL + str r0, [r1, #PXA3_RCOMP] - mov r0, #~0 @ Clear interrupts - str r0, [r1, #DMCISR] + mov r0, #~0 @ Clear interrupts + str r0, [r1, #PXA3_DMCISR] - ldr r0, [r1, #DMCIER] @ set DMIER[EDLP] - orr r0, r0, #DMCIER_EDLP - str r0, [r1, #DMCIER] + ldr r0, [r1, #PXA3_DMCIER] @ set DMIER[EDLP] + orr r0, r0, #PXA3_DMCIER_EDLP + str r0, [r1, #PXA3_DMCIER] - ldr r0, [r1, #DDR_HCAL] @ clear HCRNG, set HCPROG, HCEN - bic r0, r0, #DDR_HCAL_HCRNG - orr r0, r0, #DDR_HCAL_HCEN | DDR_HCAL_HCPROG - str r0, [r1, #DDR_HCAL] + ldr r0, [r1, #PXA3_DDR_HCAL] @ clear HCRNG, set HCPROG, HCEN + bic r0, r0, #PXA3_DDR_HCAL_HCRNG + orr r0, r0, #PXA3_DDR_HCAL_HCEN | PXA3_DDR_HCAL_HCPROG + str r0, [r1, #PXA3_DDR_HCAL] -1: ldr r0, [r1, #DMCISR] - tst r0, #DMCIER_EDLP +1: ldr r0, [r1, #PXA3_DMCISR] + tst r0, #PXA3_DMCIER_EDLP beq 1b - ldr r0, [r1, #MDCNFG] @ set MDCNFG[DMCEN] - orr r0, r0, #MDCNFG_DMCEN - str r0, [r1, #MDCNFG] -1: ldr r0, [r1, #MDCNFG] - tst r0, #MDCNFG_DMCEN + ldr r0, [r1, #PXA3_MDCNFG] @ set PXA3_MDCNFG[DMCEN] + orr r0, r0, #PXA3_MDCNFG_DMCEN + str r0, [r1, #PXA3_MDCNFG] +1: ldr r0, [r1, #PXA3_MDCNFG] + tst r0, #PXA3_MDCNFG_DMCEN beq 1b - ldr r0, [r1, #DDR_HCAL] @ set DDR_HCAL[HCRNG] + ldr r0, [r1, #PXA3_DDR_HCAL] @ set PXA3_DDR_HCAL[HCRNG] orr r0, r0, #2 @ HCRNG - str r0, [r1, #DDR_HCAL] + str r0, [r1, #PXA3_DDR_HCAL] - ldr r0, [r1, #DMCIER] @ Clear the interrupt + ldr r0, [r1, #PXA3_DMCIER] @ Clear the interrupt bic r0, r0, #0x20000000 - str r0, [r1, #DMCIER] + str r0, [r1, #PXA3_DMCIER] mov pc, lr ENTRY(pm_enter_standby_end) diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 931885d86b9..bc7c465ef32 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -41,6 +41,7 @@ #include <asm/mach/flash.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include <asm/arch/trizeps4.h> #include <asm/arch/audio.h> @@ -487,6 +488,7 @@ static void __init trizeps4_map_io(void) ConXS_BCR = trizeps_conxs_bcr; #endif +#warning FIXME - accessing PM registers directly is deprecated PWER = 0x00000002; PFER = 0x00000000; PRER = 0x00000002; 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); diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index 324fb9daae2..6f7ae972b8d 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -50,6 +50,7 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = { GPIO75_LCD_BIAS, GPIO76_LCD_VSYNC, GPIO127_LCD_CS_N, + GPIO20_PWM3_OUT, /* backlight */ /* BTUART */ GPIO111_UART2_RTS, @@ -200,9 +201,6 @@ void __init zylonite_pxa300_init(void) /* detect LCD panel */ zylonite_detect_lcd_panel(); - /* GPIO pin assignment */ - gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO20); - /* MMC card detect & write protect for controller 0 */ zylonite_mmc_slot[0].gpio_cd = EXT_GPIO(0); zylonite_mmc_slot[0].gpio_wp = EXT_GPIO(2); diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c index 193d07903b0..2b4fc34919a 100644 --- a/arch/arm/mach-pxa/zylonite_pxa320.c +++ b/arch/arm/mach-pxa/zylonite_pxa320.c @@ -49,6 +49,7 @@ static mfp_cfg_t mfp_cfg[] __initdata = { GPIO15_2_LCD_LCLK, GPIO16_2_LCD_PCLK, GPIO17_2_LCD_BIAS, + GPIO14_PWM3_OUT, /* backlight */ /* FFUART */ GPIO41_UART1_RXD | MFP_LPM_EDGE_FALL, @@ -187,7 +188,6 @@ void __init zylonite_pxa320_init(void) zylonite_detect_lcd_panel(); /* GPIO pin assignment */ - gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO14); gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO9); /* MMC card detect & write protect for controller 0 */ |