linux-kernel - Re: [PATCH] arm64: dts: freescale: debix-som-a-bmb-08: Enable HDMI output

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Message-ID: <176046344348.1246375.13335893574135284814@ping.linuxembedded.co.uk>
Date: Tue, 14 Oct 2025 18:37:23 +0100
From: Kieran Bingham <kieran.bingham@...asonboard.com>
To: 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, linux-kernel@...r.kernel.org
Cc: Shawn Guo <shawnguo2@...h.net>, Marco Felsch <m.felsch@...gutronix.de>
Subject: Re: [PATCH] arm64: dts: freescale: debix-som-a-bmb-08: Enable HDMI output

Hi All,

Quoting Kieran Bingham (2025-09-16 15:47:09)
> Enable the HDMI output on the Debix SOM A board, using the HDMI encoder
> present in the i.MX8MP SoC.
> 
> Enable and configure all nodes required for the HDMI port usage.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>

One review tag at https://lore.kernel.org/all/20250925171744.5eyhqjlqp7skesqi@pengutronix.de/

Could anyone be able to review / collect / apply this one please?

--
Regards

Kieran


> ---
> 
> This replicates 4880ee1c9046 ("arm64: dts: imx8mp-debix-model-a: Enable
> HDMI output") to support the Debix SOM as well.
> 
> 
>  .../freescale/imx8mp-debix-som-a-bmb-08.dts   | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
> index d241db3743a9..04619a722906 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
> @@ -22,6 +22,18 @@ chosen {
>                 stdout-path = &uart2;
>         };
>  
> +       hdmi-connector {
> +               compatible = "hdmi-connector";
> +               label = "hdmi";
> +               type = "a";
> +
> +               port {
> +                       hdmi_connector_in: endpoint {
> +                               remote-endpoint = <&hdmi_tx_out>;
> +                       };
> +               };
> +       };
> +
>         reg_baseboard_vdd3v3: regulator-baseboard-vdd3v3 {
>                 compatible = "regulator-fixed";
>                 regulator-min-microvolt = <3300000>;
> @@ -222,6 +234,28 @@ flash: flash@0 {
>         };
>  };
>  
> +&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";
> +};
> +
>  &i2c4 {
>         expander0: gpio@20 {
>                 compatible = "nxp,pca9535";
> @@ -276,6 +310,10 @@ ethmac2: mac-address@c {
>         };
>  };
>  
> +&lcdif3 {
> +       status = "okay";
> +};
> +
>  &snvs_pwrkey {
>         status = "okay";
>  };
> @@ -430,6 +468,15 @@ MX8MP_IOMUXC_NAND_DATA03__FLEXSPI_A_DATA03      0x82
>                 >;
>         };
>  
> +       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
> -- 
> 2.50.1
>