Re: [PATCH v5 3/4] ARM: dts: da850-lcdk: add the vga-bridge node

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Hi Bartosz,

Thank you for the patch.

On Wednesday 07 Dec 2016 11:42:44 Bartosz Golaszewski wrote:
> Add the vga-bridge node to the board DT together with corresponding
> ports and vga connector. This allows to retrieve the edid info from
> the display automatically.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/da850-lcdk.dts | 67 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 67 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/da850-lcdk.dts
> b/arch/arm/boot/dts/da850-lcdk.dts index afcb482..39602eb 100644
> --- a/arch/arm/boot/dts/da850-lcdk.dts
> +++ b/arch/arm/boot/dts/da850-lcdk.dts
> @@ -51,6 +51,51 @@
>  			system-clock-frequency = <24576000>;
>  		};
>  	};
> +
> +	vga-bridge {
> +		compatible = "ti,ths8135";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				reg = <0>;
> +
> +				vga_bridge_in: endpoint@0 {
> +					reg = <0>;
> +					remote-endpoint = <&lcdc_out_vga>;
> +				};
> +			};
> +
> +			port@1 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				reg = <1>;
> +
> +				vga_bridge_out: endpoint@0 {
> +					reg = <0>;
> +					remote-endpoint = <&vga_con_in>;
> +				};
> +			};
> +		};
> +	};
> +
> +	vga {
> +		compatible = "vga-connector";
> +
> +		ddc-i2c-bus = <&i2c0>;
> +
> +		port {
> +			vga_con_in: endpoint {
> +				remote-endpoint = <&vga_bridge_out>;
> +			};
> +		};
> +	};
>  };
> 
>  &pmx_core {
> @@ -236,3 +281,25 @@
>  &memctrl {
>  	status = "okay";
>  };
> +
> +&lcdc {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&lcd_pins>;
> +
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		lcdc_out: port@1 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <1>;
> +
> +			lcdc_out_vga: endpoint@0 {
> +				reg = <0>;
> +				remote-endpoint = <&vga_bridge_in>;
> +			};
> +		};

Just to make sure you're aware, when there's a single endpoint you can 
simplify the DT by omitting the endpoint number. This would become

		lcdc_out: port@1 {
			reg = <1>;

			lcdc_out_vga: endpoint {
				remote-endpoint = <&vga_bridge_in>;
			};
		};

It's entirely up to you, both get my

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

> +	};
> +};

-- 
Regards,

Laurent Pinchart

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