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SMDKC100: enable S3C FrameBuffer

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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>
This commit is contained in:
Kyungmin Park 2009-11-17 08:41:20 +01:00 committed by Ben Dooks
parent edd6e3f89d
commit 079b032417
2 changed files with 69 additions and 0 deletions
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2
arch/arm/mach-s5pc100/Kconfig
View file

@ -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

67
arch/arm/mach-s5pc100/mach-smdkc100.c
View file

@ -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));
}