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authorKyungmin Park <kyungmin.park@samsung.com>2009-11-17 10:41:20 +0300
committerBen Dooks <ben-linux@fluff.org>2009-12-01 04:33:16 +0300
commit079b03241765f0a31c4bfdefd277452399dbafc9 (patch)
tree0a1b2c8f1be6e50834195acd6c6a5881347ef4f1 /arch/arm/mach-s5pc100/mach-smdkc100.c
parentedd6e3f89d7fe245149669400bd213140c16d6e4 (diff)
downloadlinux-079b03241765f0a31c4bfdefd277452399dbafc9.tar.xz
SMDKC100: enable S3C FrameBuffer
Add required machine definitions for s3c-fb device. A 800x480 lcd device (simmilar to the one known from SMDK6410 boards) has been defined. The lcd controller is attached to GPIO lines and can be enabled/disabled with platform-lcd driver. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s5pc100/mach-smdkc100.c')
-rw-r--r--arch/arm/mach-s5pc100/mach-smdkc100.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index daf6a2bc6b61..e8f45535f035 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -27,16 +27,21 @@
#include <asm/mach/map.h>
#include <mach/map.h>
+#include <mach/regs-fb.h>
+#include <video/platform_lcd.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-gpio.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/s5pc100.h>
+#include <plat/fb.h>
#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
@@ -73,9 +78,65 @@ static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
},
};
+/* LCD power controller */
+static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
+ unsigned int power)
+{
+ /* backlight */
+ gpio_direction_output(S5PC100_GPD(0), power);
+
+ if (power) {
+ /* module reset */
+ gpio_direction_output(S5PC100_GPH0(6), 1);
+ mdelay(100);
+ gpio_direction_output(S5PC100_GPH0(6), 0);
+ mdelay(10);
+ gpio_direction_output(S5PC100_GPH0(6), 1);
+ mdelay(10);
+ }
+}
+
+static struct plat_lcd_data smdkc100_lcd_power_data = {
+ .set_power = smdkc100_lcd_power_set,
+};
+
+static struct platform_device smdkc100_lcd_powerdev = {
+ .name = "platform-lcd",
+ .dev.parent = &s3c_device_fb.dev,
+ .dev.platform_data = &smdkc100_lcd_power_data,
+};
+
+/* Frame Buffer */
+static struct s3c_fb_pd_win smdkc100_fb_win0 = {
+ /* this is to ensure we use win0 */
+ .win_mode = {
+ .refresh = 70,
+ .pixclock = (8+13+3+800)*(7+5+1+480),
+ .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,
+};
+
+static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
+ .win[0] = &smdkc100_fb_win0,
+ .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+ .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
+ .setup_gpio = s5pc100_fb_gpio_setup_24bpp,
+};
+
static struct map_desc smdkc100_iodesc[] = {};
static struct platform_device *smdkc100_devices[] __initdata = {
+ &s3c_device_fb,
+ &smdkc100_lcd_powerdev,
};
static void __init smdkc100_map_io(void)
@@ -87,6 +148,12 @@ static void __init smdkc100_map_io(void)
static void __init smdkc100_machine_init(void)
{
+ s3c_fb_set_platdata(&smdkc100_lcd_pdata);
+
+ /* LCD init */
+ gpio_request(S5PC100_GPD(0), "GPD");
+ gpio_request(S5PC100_GPH0(6), "GPH0");
+ smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
}