[PATCH v2 1/2] arm64: dts: imx8mm-evk: Add HDMI support

Shawn Guo shawnguo at kernel.org
Sun Jun 4 06:15:02 PDT 2023


On Tue, May 30, 2023 at 10:11:12AM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <festevam at denx.de>
> 
> imx8mm-evk has a MIPI DSI port that can be used with a ADV7535 MIPI
> DSI to HDMI bridge.
> 
> Add support for it.
> 
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> ---
> Changes since v1:
> - None
> 
>  arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 65 +++++++++++++++++++
>  1 file changed, 65 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> index 3f9dfd4d3884..63a6cc509ca6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> @@ -19,6 +19,18 @@ memory at 40000000 {
>  		reg = <0x0 0x40000000 0 0x80000000>;
>  	};
>  
> +	hdmi-connector {
> +		compatible = "hdmi-connector";
> +		label = "hdmi";
> +		type = "a";
> +
> +		port {
> +			hdmi_connector_in: endpoint {
> +				remote-endpoint = <&adv7533_out>;
> +			};
> +		};
> +	};
> +
>  	leds {
>  		compatible = "gpio-leds";
>  		pinctrl-names = "default";
> @@ -303,6 +315,39 @@ &i2c2 {
>  	pinctrl-0 = <&pinctrl_i2c2>;
>  	status = "okay";
>  
> +	hdmi at 3d {
> +		compatible = "adi,adv7535";
> +		reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
> +		reg-names = "main", "cec", "edid", "packet";
> +		adi,dsi-lanes = <4>;
> +
> +		adi,input-depth = <8>;
> +		adi,input-colorspace = "rgb";
> +		adi,input-clock = "1x";
> +		adi,input-style = <1>;
> +		adi,input-justification = "evenly";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port at 0 {
> +				reg = <0>;

Missing newline.

> +				adv7533_in: endpoint {
> +					remote-endpoint = <&dsi_out>;
> +				};
> +			};
> +
> +			port at 1 {
> +				reg = <1>;

Here too.

Fixed them up and applied both patches.

Shawn

> +				adv7533_out: endpoint {
> +					remote-endpoint = <&hdmi_connector_in>;
> +				};
> +			};
> +
> +		};
> +	};
> +
>  	ptn5110: tcpc at 50 {
>  		compatible = "nxp,ptn5110";
>  		pinctrl-names = "default";
> @@ -348,6 +393,26 @@ pca6416: gpio at 20 {
>  	};
>  };
>  
> +&lcdif {
> +	status = "okay";
> +};
> +
> +&mipi_dsi {
> +	samsung,esc-clock-frequency = <10000000>;
> +	status = "okay";
> +
> +	ports {
> +		port at 1 {
> +			reg = <1>;
> +
> +			dsi_out: endpoint {
> +				remote-endpoint = <&adv7533_in>;
> +				data-lanes = <1 2 3 4>;
> +			};
> +		};
> +	};
> +};
> +
>  &pcie_phy {
>  	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
>  	fsl,tx-deemph-gen1 = <0x2d>;
> -- 
> 2.34.1
> 



More information about the linux-arm-kernel mailing list