From 9421a76d2bfec62b89b395033d03eea44bb2a4ac Mon Sep 17 00:00:00 2001
From: Tushar Behera <tushar.behera@linaro.org>
Date: Mon, 3 Oct 2011 09:12:56 +0900
Subject: [PATCH] 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>
---
 arch/arm/mach-exynos4/Kconfig       |  5 ++-
 arch/arm/mach-exynos4/mach-origen.c | 63 ++++++++++++++++++++++++++++++++++++-
 2 files changed, 66 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 257dbaa..6fc1722 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -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
diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
index 3da7776..349e297 100644
--- a/arch/arm/mach-exynos4/mach-origen.c
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -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);
 }
-- 
2.7.4