RE: [PATCH] ARM: EXYNOS4: Add HPD and PD support for HDMI on Origen

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Sachin Kamat wrote:
> 
> This patch adds hot plug detection (HPD) and power domain (PD) support for
HDMI
> on Origen board.
> 
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
> ---
> I have added the KConfig entry and header file required for enabling PD
> since the patch [1] is not yet applied on Kgene's tree [2].
> 
Hmm I don't know why it is missed :(
Anyway, if required, will fix when I applying this.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> [1] http://permalink.gmane.org/gmane.linux.kernel.samsung-soc/6763
> [2] https://github.com/kgene/linux-samsung/tree/for-next
> ---
>  arch/arm/mach-exynos4/Kconfig       |    1 +
>  arch/arm/mach-exynos4/mach-origen.c |   14 ++++++++++++++
>  2 files changed, 15 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
> index d0491c2..a02c94f 100644
> --- a/arch/arm/mach-exynos4/Kconfig
> +++ b/arch/arm/mach-exynos4/Kconfig
> @@ -243,6 +243,7 @@ config MACH_ORIGEN
>  	select S5P_DEV_I2C_HDMIPHY
>  	select S5P_DEV_TV
>  	select S5P_DEV_USB_EHCI
> +	select EXYNOS4_DEV_PD
>  	select SAMSUNG_DEV_BACKLIGHT
>  	select SAMSUNG_DEV_PWM
>  	select EXYNOS4_SETUP_SDHCI
> diff --git a/arch/arm/mach-exynos4/mach-origen.c
b/arch/arm/mach-exynos4/mach-origen.c
> index 421294b..36709ea 100644
> --- a/arch/arm/mach-exynos4/mach-origen.c
> +++ b/arch/arm/mach-exynos4/mach-origen.c
> @@ -30,6 +30,7 @@
>  #include <plat/clock.h>
>  #include <plat/gpio-cfg.h>
>  #include <plat/backlight.h>
> +#include <plat/pd.h>
> 
>  #include <mach/map.h>
> 
> @@ -168,6 +169,7 @@ static struct platform_device *origen_devices[]
__initdata = {
>  	&s5p_device_i2c_hdmiphy,
>  	&s5p_device_mixer,
>  	&origen_device_gpiokeys,
> +	&exynos4_device_pd[PD_TV],
>  };
> 
>  /* LCD Backlight data */
> @@ -181,6 +183,14 @@ static struct platform_pwm_backlight_data
origen_bl_data = {
>  	.pwm_period_ns = 1000,
>  };
> 
> +static void s5p_tv_setup(void)
> +{
> +	/* Direct HPD to HDMI chip */
> +	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);
> +}
> +
>  static void __init origen_map_io(void)
>  {
>  	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
> @@ -200,10 +210,14 @@ static void __init origen_machine_init(void)
>  	origen_ehci_init();
>  	clk_xusbxti.rate = 24000000;
> 
> +	s5p_tv_setup();
>  	s5p_i2c_hdmiphy_set_platdata(NULL);
> 
>  	platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
> 
> +	s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev;
> +	s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev;
> +
>  	samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
>  }
> 
> --
> 1.7.4.1

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