On 08/31/2016 08:08 AM, Milo Kim wrote:
> * GPIO for HDMI hot plug detect
> GPX3_7 is used. The HPD awareness is done when the GPIO is active high.
>
> * Enable HDMI block in Exynos5420
> HDMI VDD and PLL consume 1.0V LDO6 (PVDD_ANAIP_1V0) and HDMI oscillator
> requires 1.8V LDO7 (PVDD_ANAIP_1V8).
>
> * Support HDMI display data channel
> I2C #2 is assigned for the HDMI DDC. It enables the EDID access.
>
> Cc: Kukjin Kim <kgene@xxxxxxxxxx>
> Cc: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-samsung-soc@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Milo Kim <woogyom.kim@xxxxxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> arch/arm/boot/dts/exynos5420-arndale-octa.dts | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> index 39a3b81..d2ad48e 100644
> --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> @@ -70,6 +70,15 @@
> status = "disabled";
> };
>
> +&hdmi {
> + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
> + vdd_osc-supply = <&ldo7_reg>;
> + vdd_pll-supply = <&ldo6_reg>;
> + vdd-supply = <&ldo6_reg>;
> + ddc = <&i2c_2>;
> + status = "okay";
> +};
> +
> &hsi2c_4 {
> status = "okay";
>
> @@ -347,6 +356,10 @@
> };
> };
>
> +&i2c_2 {
> + status = "okay";
> +};
> +
> &mmc_0 {
> status = "okay";
> broken-cd;
--
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