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>

diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index b1a4ba5..5e6b9a3 100644 (file)
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -17,6 +17,8 @@ config CPU_S5PC100
 config MACH_SMDKC100
        bool "SMDKC100"
        select CPU_S5PC100
+       select S3C_DEV_FB
        select S5PC1XX_SETUP_I2C1
+       select S5PC1XX_SETUP_FB_24BPP
        help
          Machine support for the Samsung SMDKC100

diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index daf6a2b..e8f4553 100644 (file)
--- 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));
 }