[linux-sunxi] [PATCH v8 4/4] arm64: dts: allwinner: orange-pi-3: Enable HDMI output

Code Kipper codekipper at gmail.com
Fri Aug 9 08:25:32 UTC 2019


On Tue, 6 Aug 2019 at 17:57, <megous at megous.com> wrote:
>
> From: Ondrej Jirman <megous at megous.com>
>
> Orange Pi 3 has a DDC_CEC_EN signal connected to PH2, that enables the DDC
> I2C bus voltage shifter. Before EDID can be read, we need to pull PH2 high.
> This is realized by the ddc-en-gpios property.
Great work. Is there any chance you can move this to the
arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi?, as all the H6
based orange-pi's have this feature.
BR,
CK
>
> Signed-off-by: Ondrej Jirman <megous at megous.com>
> ---
>  .../dts/allwinner/sun50i-h6-orangepi-3.dts    | 26 +++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> index 2c6807b74ff6..01bb1bafe284 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> @@ -22,6 +22,18 @@
>                 stdout-path = "serial0:115200n8";
>         };
>
> +       connector {
> +               compatible = "hdmi-connector";
> +               ddc-en-gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
> +               type = "a";
> +
> +               port {
> +                       hdmi_con_in: endpoint {
> +                               remote-endpoint = <&hdmi_out_con>;
> +                       };
> +               };
> +       };
> +
>         leds {
>                 compatible = "gpio-leds";
>
> @@ -72,6 +84,10 @@
>         cpu-supply = <&reg_dcdca>;
>  };
>
> +&de {
> +       status = "okay";
> +};
> +
>  &ehci0 {
>         status = "okay";
>  };
> @@ -91,6 +107,16 @@
>         status = "okay";
>  };
>
> +&hdmi {
> +       status = "okay";
> +};
> +
> +&hdmi_out {
> +       hdmi_out_con: endpoint {
> +               remote-endpoint = <&hdmi_con_in>;
> +       };
> +};
> +
>  &mdio {
>         ext_rgmii_phy: ethernet-phy at 1 {
>                 compatible = "ethernet-phy-ieee802.3-c22";
> --
> 2.22.0
>
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