linux-kernel - Re: [PATCH 1/2] arm64: dts: imx8mp-verdin: add dsi to hdmi functionality

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Date:   Thu, 1 Sep 2022 21:07:49 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Max Krummenacher <max.oss.09@...il.com>
Cc:     Max Krummenacher <max.krummenacher@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: imx8mp-verdin: add dsi to hdmi
 functionality

Hi Max,

Thank you for the patch.

On Thu, Sep 01, 2022 at 05:40:50PM +0200, Max Krummenacher wrote:
> From: Max Krummenacher <max.krummenacher@...adex.com>
> 
> Add the hdmi connector present on the dsi to hdmi adapter now
> required by the upstream lontium bridge driver.
> The dsi to hdmi adapter is enabled in an device tree overlay.

Shouldn't the connector also be in the overlay ? There's certainly no
physical HDMI connector on the i.MX8MP Verdin SoM :-)

> Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com>
> 
> ---
> 
>  arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> index 76cc89296150..bd84a0d135dc 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> @@ -59,6 +59,14 @@ button-wakeup {
>  		};
>  	};
>  
> +	hdmi_connector: hdmi-connector {
> +		compatible = "hdmi-connector";
> +		ddc-i2c-bus = <&i2c2>;
> +		label = "hdmi";
> +		type = "a";
> +		status = "disabled";
> +	};
> +
>  	/* Carrier Board Supplies */
>  	reg_1p8v: regulator-1p8v {
>  		compatible = "regulator-fixed";

-- 
Regards,

Laurent Pinchart