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ARM: EXYNOS4: Add machine support for 7" LCD on ORIGEN 

ORIGEN board is fitted with 7" LCD panel HV070WSA. The pixel
resolution of the LCD panel is 1024x600.

Also power domain device for LCD0 is registered.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Tushar Behera 2011-10-03 09:12:56 +09:00 committed by Kukjin Kim
parent 6e01280f34
commit 9421a76d2b
2 changed files with 66 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-exynos4/Kconfig
View File

@ -229,11 +229,14 @@ config MACH_ORIGEN
select S5P_DEV_FIMC1
select S5P_DEV_FIMC2
select S5P_DEV_FIMC3
select S5P_DEV_FIMD0
select S5P_DEV_I2C_HDMIPHY
select S5P_DEV_USB_EHCI
select S5P_DEV_TV
select S5P_DEV_USB_EHCI
select EXYNOS4_DEV_PD
select SAMSUNG_DEV_BACKLIGHT
select SAMSUNG_DEV_PWM
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_SDHCI
select EXYNOS4_SETUP_USB_PHY
help

63
arch/arm/mach-exynos4/mach-origen.c
View File

@ -19,11 +19,15 @@
#include <linux/i2c.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/max8997.h>
#include <linux/lcd.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <video/platform_lcd.h>
#include <plat/regs-serial.h>
#include <plat/regs-fb-v4.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
@ -33,6 +37,8 @@
#include <plat/clock.h>
#include <plat/gpio-cfg.h>
#include <plat/backlight.h>
#include <plat/pd.h>
#include <plat/fb.h>
#include <mach/map.h>
@ -529,10 +535,59 @@ static struct platform_device origen_device_gpiokeys = {
},
};
static void lcd_hv070wsa_set_power(struct plat_lcd_data *pd, unsigned int power)
{
int ret;
if (power)
ret = gpio_request_one(EXYNOS4_GPE3(4),
GPIOF_OUT_INIT_HIGH, "GPE3_4");
else
ret = gpio_request_one(EXYNOS4_GPE3(4),
GPIOF_OUT_INIT_LOW, "GPE3_4");
gpio_free(EXYNOS4_GPE3(4));
if (ret)
pr_err("failed to request gpio for LCD power: %d\n", ret);
}
static struct plat_lcd_data origen_lcd_hv070wsa_data = {
.set_power = lcd_hv070wsa_set_power,
};
static struct platform_device origen_lcd_hv070wsa = {
.name = "platform-lcd",
.dev.parent = &s5p_device_fimd0.dev,
.dev.platform_data = &origen_lcd_hv070wsa_data,
};
static struct s3c_fb_pd_win origen_fb_win0 = {
.win_mode = {
.left_margin = 64,
.right_margin = 16,
.upper_margin = 64,
.lower_margin = 16,
.hsync_len = 48,
.vsync_len = 3,
.xres = 1024,
.yres = 600,
},
.max_bpp = 32,
.default_bpp = 24,
};
static struct s3c_fb_platdata origen_lcd_pdata __initdata = {
.win[0] = &origen_fb_win0,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
.setup_gpio = exynos4_fimd0_gpio_setup_24bpp,
};
static struct platform_device *origen_devices[] __initdata = {
&s3c_device_i2c0,
&s3c_device_hsmmc2,
&s3c_device_hsmmc0,
&s3c_device_i2c0,
&s3c_device_rtc,
&s3c_device_wdt,
&s5p_device_ehci,
@ -540,10 +595,13 @@ static struct platform_device *origen_devices[] __initdata = {
&s5p_device_fimc1,
&s5p_device_fimc2,
&s5p_device_fimc3,
&s5p_device_fimd0,
&s5p_device_hdmi,
&s5p_device_i2c_hdmiphy,
&s5p_device_mixer,
&exynos4_device_pd[PD_LCD0],
&origen_device_gpiokeys,
&origen_lcd_hv070wsa,
};
/* LCD Backlight data */
@ -590,7 +648,10 @@ static void __init origen_machine_init(void)
s5p_i2c_hdmiphy_set_platdata(NULL);
s5p_fimd0_set_platdata(&origen_lcd_pdata);
platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev;
samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
}