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SubjectRe: [PATCH v3 3/3] arm64: dts: renesas: draak: Describe HDMI input
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Hi Jacopo,

Thank you for the patch.

On Friday, 18 May 2018 17:47:58 EEST Jacopo Mondi wrote:
> Describe HDMI input connector and ADV7612 HDMI decoder installed on
> R-Car Gen3 Draak board.
>
> The video signal routing to the HDMI decoder to the video input interface
> VIN4 is multiplexed with CVBS input path, and enabled/disabled through
> on-board switches SW-49, SW-50, SW-51 and SW-52.
>
> As the default board switches configuration connects CVBS input to VIN4,
> leave the HDMI decoder unconnected in DTS.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> v2 -> v3:
> - Add comment on HDMI output port about the shared CVBS/HDMI video path
> - Add Niklas' R-b tag
> ---
> arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 48 +++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts index 95745fc..1e475a4
> 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> @@ -59,6 +59,17 @@
> };
> };
>
> + hdmi-in {
> + compatible = "hdmi-connector";
> + type = "a";
> +
> + port {
> + hdmi_con_in: endpoint {
> + remote-endpoint = <&adv7612_in>;
> + };
> + };
> + };
> +
> memory@48000000 {
> device_type = "memory";
> /* first 128MB is reserved for secure area. */
> @@ -176,6 +187,43 @@
> };
> };
> };
> +
> + hdmi-decoder@4c {
> + compatible = "adi,adv7612";
> + reg = <0x4c>;
> + default-input = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + adv7612_in: endpoint {
> + remote-endpoint = <&hdmi_con_in>;
> + };
> + };
> +
> + port@2 {
> + reg = <2>;
> +
> + /*
> + * The VIN4 video input path is shared between
> + * CVBS and HDMI inputs through SW[49-54]
> + * switches.
> + *
> + * CVBS is the default selection, leave HDMI
> + * not connected here.
> + */
> + adv7612_out: endpoint {
> + pclk-sample = <0>;
> + hsync-active = <0>;
> + vsync-active = <0>;
> + };
> + };
> + };
> + };
> };
>
> &i2c1 {

--
Regards,

Laurent Pinchart



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