diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0/mach-smdk6440.c')
| -rw-r--r-- | arch/arm/mach-s5p64x0/mach-smdk6440.c | 116 |
1 files changed, 78 insertions, 38 deletions
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c index 2d559f10fd47..4a1250cd1356 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6440.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c @@ -23,6 +23,9 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/pwm_backlight.h> +#include <linux/fb.h> + +#include <video/platform_lcd.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -46,6 +49,9 @@ #include <plat/adc.h> #include <plat/ts.h> #include <plat/s5p-time.h> +#include <plat/backlight.h> +#include <plat/fb.h> +#include <plat/regs-fb.h> #define SMDK6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ S3C2410_UCON_RXILEVEL | \ @@ -91,43 +97,57 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = { }, }; -static int smdk6440_backlight_init(struct device *dev) -{ - int ret; - - ret = gpio_request(S5P6440_GPF(15), "Backlight"); - if (ret) { - printk(KERN_ERR "failed to request GPF for PWM-OUT1\n"); - return ret; - } - - /* Configure GPIO pin with S5P6440_GPF15_PWM_TOUT1 */ - s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_SFN(2)); +/* Frame Buffer */ +static struct s3c_fb_pd_win smdk6440_fb_win0 = { + .win_mode = { + .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 = 24, +}; - return 0; -} +static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = { + .win[0] = &smdk6440_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = s5p64x0_fb_gpio_setup_24bpp, +}; -static void smdk6440_backlight_exit(struct device *dev) +/* LCD power controller */ +static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd, + unsigned int power) { - s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_OUTPUT); - gpio_free(S5P6440_GPF(15)); + int err; + + if (power) { + err = gpio_request(S5P6440_GPN(5), "GPN"); + if (err) { + printk(KERN_ERR "failed to request GPN for lcd reset\n"); + return; + } + + gpio_direction_output(S5P6440_GPN(5), 1); + gpio_set_value(S5P6440_GPN(5), 0); + gpio_set_value(S5P6440_GPN(5), 1); + gpio_free(S5P6440_GPN(5)); + } } -static struct platform_pwm_backlight_data smdk6440_backlight_data = { - .pwm_id = 1, - .max_brightness = 255, - .dft_brightness = 255, - .pwm_period_ns = 78770, - .init = smdk6440_backlight_init, - .exit = smdk6440_backlight_exit, +static struct plat_lcd_data smdk6440_lcd_power_data = { + .set_power = smdk6440_lte480_reset_power, }; -static struct platform_device smdk6440_backlight_device = { - .name = "pwm-backlight", - .dev = { - .parent = &s3c_device_timer[1].dev, - .platform_data = &smdk6440_backlight_data, - }, +static struct platform_device smdk6440_lcd_lte480wv = { + .name = "platform-lcd", + .dev.parent = &s3c_device_fb.dev, + .dev.platform_data = &smdk6440_lcd_power_data, }; static struct platform_device *smdk6440_devices[] __initdata = { @@ -139,8 +159,8 @@ static struct platform_device *smdk6440_devices[] __initdata = { &s3c_device_wdt, &samsung_asoc_dma, &s5p6440_device_iis, - &s3c_device_timer[1], - &smdk6440_backlight_device, + &s3c_device_fb, + &smdk6440_lcd_lte480wv, }; static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = { @@ -169,10 +189,14 @@ static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = { /* To be populated */ }; -static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = { - .delay = 10000, - .presc = 49, - .oversampling_shift = 2, +/* LCD Backlight data */ +static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = { + .no = S5P6440_GPF(15), + .func = S3C_GPIO_SFN(2), +}; + +static struct platform_pwm_backlight_data smdk6440_bl_data = { + .pwm_id = 1, }; static void __init smdk6440_map_io(void) @@ -183,9 +207,20 @@ static void __init smdk6440_map_io(void) s5p_set_timer_source(S5P_PWM3, S5P_PWM4); } +static void s5p6440_set_lcd_interface(void) +{ + unsigned int cfg; + + /* select TFT LCD type (RGB I/F) */ + cfg = __raw_readl(S5P64X0_SPCON0); + cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK; + cfg |= S5P64X0_SPCON0_LCD_SEL_RGB; + __raw_writel(cfg, S5P64X0_SPCON0); +} + static void __init smdk6440_machine_init(void) { - s3c24xx_ts_set_platdata(&s3c_ts_platform); + s3c24xx_ts_set_platdata(NULL); s3c_i2c0_set_platdata(&s5p6440_i2c0_data); s3c_i2c1_set_platdata(&s5p6440_i2c1_data); @@ -194,12 +229,17 @@ static void __init smdk6440_machine_init(void) i2c_register_board_info(1, smdk6440_i2c_devs1, ARRAY_SIZE(smdk6440_i2c_devs1)); + samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data); + + s5p6440_set_lcd_interface(); + s3c_fb_set_platdata(&smdk6440_lcd_pdata); + platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices)); } MACHINE_START(SMDK6440, "SMDK6440") /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ - .boot_params = S5P64X0_PA_SDRAM + 0x100, + .atag_offset = 0x100, .init_irq = s5p6440_init_irq, .map_io = smdk6440_map_io, |