diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/Kconfig | 16 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pcm990-baseboard.c | 99 |
2 files changed, 114 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 7db0fd87a45..03cbd0f7285 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -149,6 +149,22 @@ choice config MACH_PCM990_BASEBOARD bool "PHYTEC PCM-990 development board" + select HAVE_PWM + +endchoice + +choice + prompt "display on pcm990" + depends on MACH_PCM990_BASEBOARD + +config PCM990_DISPLAY_SHARP + bool "sharp lq084v1dg21 stn display" + +config PCM990_DISPLAY_NEC + bool "nec nl6448bc20_18d tft display" + +config PCM990_DISPLAY_NONE + bool "no display" endchoice 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 */ |