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>

1 files changed, 62 insertions, 1 deletions

diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
index 3da77766961e..349e2977b2ed 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);
 }