Tomasz,
On 15 May 2014 01:11, Tomasz Figa <tomasz.figa@xxxxxxxxx> wrote:
> Hi Rahul,
>
> On 14.05.2014 04:45, Rahul Sharma wrote:
>> From: Rahul Sharma <Rahul.Sharma@xxxxxxxxxxx>
>>
>> Enable support for HDMI for exynos5250 based Snow board.
>>
>> Signed-off-by: Rahul Sharma <Rahul.Sharma@xxxxxxxxxxx>
>> ---
>> arch/arm/boot/dts/exynos5250-cros-common.dtsi | 6 +++++-
>> arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 7 +++++++
>> arch/arm/boot/dts/exynos5250-snow.dts | 7 +++++++
>> 3 files changed, 19 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
>> index 2c1560d..89ac90f 100644
>> --- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
>> @@ -240,7 +240,7 @@
>> samsung,i2c-sda-delay = <100>;
>> samsung,i2c-max-bus-freq = <378000>;
>>
>> - hdmiphy@38 {
>> + hdmiphy: hdmiphy@38 {
>> compatible = "samsung,exynos4212-hdmiphy";
>> reg = <0x38>;
>> };
>> @@ -304,6 +304,10 @@
>>
>> hdmi {
>> hpd-gpio = <&gpx3 7 0>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&hdmi_hpd_irq>;
>> + phy = <&hdmiphy>;
>> + ddc = <&i2c_2>;
>> };
>>
>> gpio-keys {
>> diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
>> index 9a49e68..da3ae66 100644
>> --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
>> @@ -560,6 +560,13 @@
>> samsung,pin-pud = <0>;
>> samsung,pin-drv = <0>;
>> };
>> +
>> + hdmi_hpd_irq: hdmi-hpd-irq {
>> + samsung,pins = "gpx3-7";
>> + samsung,pin-function = <0>;
>> + samsung,pin-pud = <1>;
>> + samsung,pin-drv = <0>;
>> + };
>
> Based on the fact that this is just being configured as input, I don't
> think this is a generic special function, but rather a board-specific
> GPIO, which should be defined in dts of respective board.
>
Ok.
>> };
>>
>> pinctrl@13400000 {
>> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
>> index 1ce1088..696850a 100644
>> --- a/arch/arm/boot/dts/exynos5250-snow.dts
>> +++ b/arch/arm/boot/dts/exynos5250-snow.dts
>> @@ -206,4 +206,11 @@
>> clock-frequency = <24000000>;
>> };
>> };
>> +
>> + hdmi {
>> + hdmi-en-supply = <&tps65090_fet7>;
>> + vdd-supply = <&ldo8_reg>;
>> + vdd_osc-supply = <&ldo10_reg>;
>> + vdd_pll-supply = <&ldo8_reg>;
>
> Hmm, those regulators don't seem to be listed in
> Documentation/devicetree/bindings/video/exynos_hdmi.txt, at least in
> today's linux-next. The driver seems to use them, though.
>
> This isn't a problem with this patch, but if you're working on this,
> could you also fix the documentation in separate patch?
>
I will post another patch for documentation update.
Regards,
Rahul Sharma.
> Best regards,
> Tomasz
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