[PATCH v3 1/2] ARM: EXYNOS4: Add TVOUT support for SMDKV310

[hatim.rv@samsung.com (Hatim Ali)]

Add support for TVOUT on SMDKV310 board.

Signed-off-by: Hatim Ali <hatim.rv@samsung.com>
---
Changes since v2:
Incorporated review comments by Tomasz Stanislawski & Sylwester Nawrocki.
- Used gpio_request_one to request for gpio line.
- Added WARN_ON to check gpio_request is successful.

Changes since v1:
Incorporated changes as suggested by Tomasz Stanislawski
- Added  GPIO settings for hot-plug detection.
- Added setting hdmi and mixer's parent for TV power domain.

 arch/arm/mach-exynos4/Kconfig         |    2 ++
 arch/arm/mach-exynos4/mach-smdkv310.c |   18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 690bf6f..2857ab0 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -139,7 +139,9 @@ config MACH_SMDKV310
 	select S3C_DEV_RTC
 	select S3C_DEV_WDT
 	select S3C_DEV_I2C1
+	select S5P_DEV_I2C_HDMIPHY
 	select S5P_DEV_MFC
+	select S5P_DEV_TV
 	select S3C_DEV_HSMMC
 	select S3C_DEV_HSMMC1
 	select S3C_DEV_HSMMC2
diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c
index 5f62b2b..fa3f9d7 100644
--- a/arch/arm/mach-exynos4/mach-smdkv310.c
+++ b/arch/arm/mach-exynos4/mach-smdkv310.c
@@ -173,6 +173,7 @@ static struct platform_device *smdkv310_devices[] __initdata = {
 	&s3c_device_hsmmc2,
 	&s3c_device_hsmmc3,
 	&s3c_device_i2c1,
+	&s5p_device_i2c_hdmiphy,
 	&s3c_device_rtc,
 	&s3c_device_wdt,
 	&exynos4_device_ac97,
@@ -194,6 +195,8 @@ static struct platform_device *smdkv310_devices[] __initdata = {
 	&samsung_asoc_idma,
 	&smdkv310_smsc911x,
 	&exynos4_device_ahci,
+	&s5p_device_hdmi,
+	&s5p_device_mixer,
 };
 
 static void __init smdkv310_smsc911x_init(void)
@@ -230,6 +233,18 @@ static struct platform_pwm_backlight_data smdkv310_bl_data = {
 	.pwm_period_ns  = 1000,
 };
 
+static void s5p_tv_setup(void)
+{
+	/* direct HPD to HDMI chip */
+	WARN_ON(gpio_request_one(EXYNOS4_GPX3(7),GPIOF_IN, "hpd-plug"));
+	s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
+	s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
+
+	/* setup dependencies between TV devices */
+	s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev;
+	s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev;
+}
+
 static void __init smdkv310_map_io(void)
 {
 	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -254,6 +269,9 @@ static void __init smdkv310_machine_init(void)
 	s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
 	s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
 
+	s5p_tv_setup();
+	s5p_i2c_hdmiphy_set_platdata(NULL);
+
 	samsung_keypad_set_platdata(&smdkv310_keypad_data);
 
 	samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
-- 
1.7.2.3