From: Ben Dooks Date: Mon, 3 May 2010 06:29:44 +0000 (+0900) Subject: ARM: SMDK2416: Add support for framebuffer device and ensure correct setup X-Git-Tag: 2.1b_release~8401^2~20^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f64bea4318a73e833d0a9b8400cc0f6cee957da3;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git ARM: SMDK2416: Add support for framebuffer device and ensure correct setup Add support for the LCD display on the SMDJK2416, and correctly name the framebuffer device. Signed-off-by: Ben Dooks --- diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig index 29103a6..657e4fe 100644 --- a/arch/arm/mach-s3c2416/Kconfig +++ b/arch/arm/mach-s3c2416/Kconfig @@ -30,6 +30,7 @@ menu "S3C2416 Machines" config MACH_SMDK2416 bool "SMDK2416" select CPU_S3C2416 + select S3C_DEV_FB select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 help diff --git a/arch/arm/mach-s3c2416/mach-smdk2416.c b/arch/arm/mach-s3c2416/mach-smdk2416.c index 99d24c4..5fc3f67 100644 --- a/arch/arm/mach-s3c2416/mach-smdk2416.c +++ b/arch/arm/mach-s3c2416/mach-smdk2416.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -36,16 +37,19 @@ #include #include -#include #include #include #include +#include #include #include #include #include +#include +#include + #include static struct map_desc smdk2416_iodesc[] __initdata = { @@ -109,7 +113,54 @@ static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = { } }; +struct s3c_fb_pd_win smdk2416_fb_win[] = { + [0] = { + /* think this is the same as the smdk6410 */ + .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, + }, + .default_bpp = 16, + .max_bpp = 32, + }, +}; + +static void s3c2416_fb_gpio_setup_24bpp(void) +{ + unsigned int gpio; + + for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +} + +static struct s3c_fb_platdata smdk2416_fb_platdata = { + .win[0] = &smdk2416_fb_win[0], + .setup_gpio = s3c2416_fb_gpio_setup_24bpp, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, +}; + static struct platform_device *smdk2416_devices[] __initdata = { + &s3c_device_fb, &s3c_device_wdt, &s3c_device_ohci, &s3c_device_i2c0, @@ -119,20 +170,25 @@ static struct platform_device *smdk2416_devices[] __initdata = { static void __init smdk2416_map_io(void) { - s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc)); s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs)); - } static void __init smdk2416_machine_init(void) { s3c_i2c0_set_platdata(NULL); + s3c_fb_set_platdata(&smdk2416_fb_platdata); gpio_request(S3C2410_GPB(4), "USBHost Power"); gpio_direction_output(S3C2410_GPB(4), 1); + gpio_request(S3C2410_GPB(3), "Display Power"); + gpio_direction_output(S3C2410_GPB(3), 1); + + gpio_request(S3C2410_GPB(1), "Display Reset"); + gpio_direction_output(S3C2410_GPB(1), 1); + platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices)); smdk_machine_init(); } diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c index 3bff057..35dabcc 100644 --- a/arch/arm/mach-s3c2416/s3c2416.c +++ b/arch/arm/mach-s3c2416/s3c2416.c @@ -90,6 +90,8 @@ int __init s3c2416_init(void) s3c_i2c0_setname("s3c2440-i2c"); s3c_i2c1_setname("s3c2440-i2c"); + s3c_device_fb.name = "s3c2443-fb"; + return sysdev_register(&s3c2416_sysdev); }