Hi Eugeniy.
On Mon, Mar 16, 2020 at 05:46:47PM +0300, Eugeniy Paltsev wrote:
> This patch adds documentation of device tree bindings for the Synopsys
> HDMI 2.0 TX encoder driver for ARC SoCs.
>
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx>
> ---
> .../display/bridge/snps,arc-dw-hdmi.txt | 73 +++++++++++++++++++
New bindings in DT Schema format please (.yaml files).
We are working on migrating all bindings to DT Schema format.
Sam
> 1 file changed, 73 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/snps,arc-dw-hdmi.txt
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/snps,arc-dw-hdmi.txt b/Documentation/devicetree/bindings/display/bridge/snps,arc-dw-hdmi.txt
> new file mode 100644
> index 000000000000..d5e006b392cc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/snps,arc-dw-hdmi.txt
> @@ -0,0 +1,73 @@
> +Synopsys DesignWare HDMI 2.0 TX encoder driver for ARC SoCs
> +================================
> +
> +The HDMI transmitter is a Synopsys DesignWare HDMI 2.0 TX controller IP
> +with a companion of Synopsys DesignWare HDMI 2.0 TX PHY IP.
> +
> +These DT bindings follow the Synopsys DWC HDMI TX bindings defined in
> +Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> +with the following device-specific properties.
> +
> +
> +Required properties:
> +
> +- compatible : Shall contain
> + - "snps,dw-hdmi-hsdk" for HSDK4xD compatible HDMI TX
> +
> +- reg: See dw_hdmi.txt.
> +- interrupts: HDMI interrupt number.
> +- clocks: See dw_hdmi.txt.
> +- clock-names: Must contain "iahb" and "isfr" as defined in dw_hdmi.txt.
> +- ports: See dw_hdmi.txt. The DWC HDMI shall have one port numbered 0
> + corresponding to the video input of the controller and one port numbered 1
> + corresponding to its HDMI output.
> +
> +Example:
> +
> +hdmi: hdmi@0x10000 {
> + compatible = "snps,dw-hdmi-hsdk";
> + reg = <0x10000 0x10000>;
> + reg-io-width = <4>;
> + interrupts = <14>;
> + clocks = <&apbclk>, <&hdmi_pix_clk>;
> + clock-names = "iahb", "isfr";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + hdmi_enc_input: endpoint {
> + remote-endpoint = <&pgu_output>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + hdmi_enc_out: endpoint {
> + remote-endpoint = <&hdmi_con>;
> + };
> + };
> + };
> +};
> +
> +hdmi-out {
> + ...
> +
> + port {
> + hdmi_con: endpoint {
> + remote-endpoint = <&hdmi_enc_out>;
> + };
> + };
> +};
> +
> +pgu {
> + ...
> +
> + port_o: port {
> + pgu_output: endpoint {
> + remote-endpoint = <&hdmi_enc_input>;
> + };
> + };
> +};
> --
> 2.21.1
>
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