diff options
Diffstat (limited to 'arch/arm/mach-s3c6410/mach-smdk6410.c')
| -rw-r--r-- | arch/arm/mach-s3c6410/mach-smdk6410.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index b900244a91d..ae3bd5c2b8c 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -21,12 +21,18 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/i2c.h> +#include <linux/fb.h> +#include <linux/gpio.h> +#include <linux/delay.h> + +#include <video/platform_lcd.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> #include <mach/hardware.h> +#include <mach/regs-fb.h> #include <mach/map.h> #include <asm/irq.h> @@ -34,6 +40,7 @@ #include <plat/regs-serial.h> #include <plat/iic.h> +#include <plat/fb.h> #include <plat/s3c6410.h> #include <plat/clock.h> @@ -61,6 +68,67 @@ static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = { }, }; +/* framebuffer and LCD setup. */ + +/* GPF15 = LCD backlight control + * GPF13 => Panel power + * GPN5 = LCD nRESET signal + * PWM_TOUT1 => backlight brightness + */ + +static void smdk6410_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + if (power) { + gpio_direction_output(S3C64XX_GPF(13), 1); + gpio_direction_output(S3C64XX_GPF(15), 1); + + /* fire nRESET on power up */ + gpio_direction_output(S3C64XX_GPN(5), 0); + msleep(10); + gpio_direction_output(S3C64XX_GPN(5), 1); + msleep(1); + } else { + gpio_direction_output(S3C64XX_GPF(15), 0); + gpio_direction_output(S3C64XX_GPF(13), 0); + } +} + +static struct plat_lcd_data smdk6410_lcd_power_data = { + .set_power = smdk6410_lcd_power_set, +}; + +static struct platform_device smdk6410_lcd_powerdev = { + .name = "platform-lcd", + .dev.parent = &s3c_device_fb.dev, + .dev.platform_data = &smdk6410_lcd_power_data, +}; + +static struct s3c_fb_pd_win smdk6410_fb_win0 = { + /* this is to ensure we use win0 */ + .win_mode = { + .pixclock = 41094, + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, + }, + .max_bpp = 32, + .default_bpp = 16, +}; + +/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ +static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = { + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .win[0] = &smdk6410_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, +}; + struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { @@ -72,6 +140,8 @@ static struct platform_device *smdk6410_devices[] __initdata = { #endif &s3c_device_i2c0, &s3c_device_i2c1, + &s3c_device_fb, + &smdk6410_lcd_powerdev, }; static struct i2c_board_info i2c_devs0[] __initdata = { @@ -96,6 +166,7 @@ static void __init smdk6410_machine_init(void) { s3c_i2c0_set_platdata(NULL); s3c_i2c1_set_platdata(NULL); + s3c_fb_set_platdata(&smdk6410_lcd_pdata); i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); |