ARM: EXYNOS4: Add machine support for 7" LCD on ORIGEN
authorTushar Behera <tushar.behera@linaro.org>
Mon, 3 Oct 2011 00:12:56 +0000 (09:12 +0900)
committerKukjin Kim <kgene.kim@samsung.com>
Tue, 4 Oct 2011 03:57:25 +0000 (12:57 +0900)
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
arch/arm/mach-exynos4/mach-origen.c

index 257dbaa..6fc1722 100644 (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
index 3da7776..349e297 100644 (file)
 #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);
 }