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Message-ID: <20240610235427.GD31989@pendragon.ideasonboard.com>
Date: Tue, 11 Jun 2024 02:54:27 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Christopher Obbard <chris.obbard@...labora.com>
Cc: linux-kernel@...r.kernel.org, kernel@...labora.com,
	Daniel Scally <dan.scally@...asonboard.com>,
	Kieran Bingham <kieran.bingham@...asonboard.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/1] arm64: dts: imx8mp-debix-model-a: Enable HDMI
 output

Hi Chris,

Thank you for the patch.

On Tue, Jun 11, 2024 at 12:42:38AM +0100, Christopher Obbard wrote:
> Enable the HDMI output on the Debix Model A SBC, using the HDMI encoder
> present in the i.MX8MP SoC.
> 
> This has been tested with a generic 1080p HDMI display, along with a
> smaller 1280x800 HDMI display.
> 
> Signed-off-by: Christopher Obbard <chris.obbard@...labora.com>

I've been running with this patch in my tree for a while,

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Shawn, could you merge this for v6.11 ?

> ---
> 
> Changes in v2:
> - Do not set SION (Software Input ON) bit in pinmux pin config register.
> - Small changes to commit log/cover letter.
> - v1: https://lore.kernel.org/linux-arm-kernel/20240415114135.25473-1-chris.obbard@collabora.com/
> 
>  .../dts/freescale/imx8mp-debix-model-a.dts    | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts
> index 9b8f97a84e61..af02af9e5334 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts
> @@ -20,6 +20,18 @@ chosen {
>  		stdout-path = &uart2;
>  	};
>  
> +	hdmi-connector {
> +		compatible = "hdmi-connector";
> +		label = "hdmi";
> +		type = "a";
> +
> +		port {
> +			hdmi_connector_in: endpoint {
> +				remote-endpoint = <&hdmi_tx_out>;
> +			};
> +		};
> +	};
> +
>  	leds {
>  		compatible = "gpio-leds";
>  		pinctrl-names = "default";
> @@ -94,6 +106,28 @@ ethphy0: ethernet-phy@0 { /* RTL8211E */
>  	};
>  };
>  
> +&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_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&hdmi_tx_phy {
> +	status = "okay";
> +};
> +
>  &i2c1 {
>  	clock-frequency = <400000>;
>  	pinctrl-names = "default";
> @@ -239,6 +273,10 @@ &i2c6 {
>  	status = "okay";
>  };
>  
> +&lcdif3 {
> +	status = "okay";
> +};
> +
>  &snvs_pwrkey {
>  	status = "okay";
>  };
> @@ -356,6 +394,15 @@ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16				0x19
>  		>;
>  	};
>  
> +	pinctrl_hdmi: hdmigrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL			0x1c3
> +			MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA			0x1c3
> +			MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD				0x19
> +			MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC				0x19
> +		>;
> +	};
> +
>  	pinctrl_i2c1: i2c1grp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL					0x400001c2

-- 
Regards,

Laurent Pinchart

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