Re: [PATCH 2/2] dt-bindings: Document the Synopsys ARC HDMI TX bindings

[Sam Ravnborg <sam@ravnborg.org>]

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@synopsys.com>
> ---
>  .../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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