linux-kernel - Re: [PATCH v2] arm64: dts: imx8mp-evk: Add native HDMI output

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Message-ID: <3242009.5fSG56mABF@steina-w>
Date: Fri, 23 Aug 2024 08:28:00 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Liu Ying <victor.liu@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com
Subject: Re: [PATCH v2] arm64: dts: imx8mp-evk: Add native HDMI output

Hi,

Am Freitag, 23. August 2024, 04:12:57 CEST schrieb Liu Ying:
> J17 on i.MX8mp EVK base board is a HDMI type A connector.
> It connects with i.MX8mp HDMI PHY.  Add support for it.
> 
> Signed-off-by: Liu Ying <victor.liu@....com>

Reviewed-by: Alexander Stein <alexander.stein@...tq-group.com>

> ---
> v2:
> * Change label hdmi_out to hdmi_in. (Alexander)
> 
>  arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 46 ++++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index 938347704136..d26930f1a9e9 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -56,6 +56,18 @@ memory@...00000 {
>  		      <0x1 0x00000000 0 0xc0000000>;
>  	};
>  
> +	native-hdmi-connector {
> +		compatible = "hdmi-connector";
> +		label = "HDMI OUT";
> +		type = "a";
> +
> +		port {
> +			hdmi_in: endpoint {
> +				remote-endpoint = <&hdmi_tx_out>;
> +			};
> +		};
> +	};
> +
>  	pcie0_refclk: pcie0-refclk {
>  		compatible = "fixed-clock";
>  		#clock-cells = <0>;
> @@ -408,6 +420,28 @@ &flexcan2 {
>  	status = "disabled";/* can2 pin conflict with pdm */
>  };
>  
> +&hdmi_pvi {
> +	status = "okay";
> +};
> +
> +&hdmi_tx {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_hdmi>;
> +	status = "okay";
> +
> +	ports {
> +		port@1 {
> +			hdmi_tx_out: endpoint {
> +				remote-endpoint = <&hdmi_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&hdmi_tx_phy {
> +	status = "okay";
> +};
> +
>  &i2c1 {
>  	clock-frequency = <400000>;
>  	pinctrl-names = "default";
> @@ -604,6 +638,10 @@ &lcdif1 {
>  	status = "okay";
>  };
>  
> +&lcdif3 {
> +	status = "okay";
> +};
> +
>  &micfil {
>  	#sound-dai-cells = <0>;
>  	pinctrl-names = "default";
> @@ -858,6 +896,14 @@ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16	0x140
>  		>;
>  	};
>  
> +	pinctrl_hdmi: hdmigrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL	0x1c2
> +			MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA	0x1c2
> +			MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC		0x10
> +		>;
> +	};
> +
>  	pinctrl_hog: hoggrp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD		0x40000010
> 


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