linux-kernel - Re: [PATCH 1/1] arm64: dts: imx8mp-evk: add camera ov5640 and related nodes

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Message-ID: <aVHtTRNYQS6ju_yQ@dragon>
Date: Mon, 29 Dec 2025 10:54:05 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	"open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <imx@...ts.linux.dev>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] arm64: dts: imx8mp-evk: add camera ov5640 and
 related nodes

On Fri, Nov 14, 2025 at 10:50:01AM -0500, Frank Li wrote:
> Add camera ov5640 and related nodes.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 80 ++++++++++++++++++++
>  1 file changed, 80 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index 3730792daf501..f5c19549acce5 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -74,6 +74,27 @@ pcie0_refclk: pcie0-refclk {
>  		clock-frequency = <100000000>;
>  	};
>  
> +	reg_1v5: regulator-1v5 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "1v5";
> +		regulator-min-microvolt = <1500000>;
> +		regulator-max-microvolt = <1500000>;
> +	};
> +
> +	reg_1v8: regulator-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "1v8";
> +		regulator-min-microvolt = <1500000>;
> +		regulator-max-microvolt = <1500000>;

1800000 ?

> +	};
> +
> +	reg_2v8: regulator-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "2v8";
> +		regulator-min-microvolt = <1500000>;
> +		regulator-max-microvolt = <1500000>;

2800000 ?

Shawn

> +	};
> +
>  	reg_audio_3v3: regulator-audio-3v3 {
>  		compatible = "regulator-fixed";
>  		regulator-name = "audio-3v3";
> @@ -556,6 +577,30 @@ &i2c2 {
>  	pinctrl-0 = <&pinctrl_i2c2>;
>  	status = "okay";
>  
> +	camera@3c {
> +	       compatible = "ovti,ov5640";
> +	       reg = <0x3c>;
> +	       pinctrl-names = "default";
> +	       pinctrl-0 = <&pinctrl_csi0_pwn>, <&pinctrl_csi0_rst>, <&pinctrl_csi_mclk>;
> +	       clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO2>;
> +	       clock-names = "xclk";
> +	       assigned-clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO2>;
> +	       assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
> +	       assigned-clock-rates = <24000000>;
> +	       powerdown-gpios = <&gpio2 11 GPIO_ACTIVE_HIGH>;
> +	       AVDD-supply = <&reg_2v8>;
> +	       DVDD-supply = <&reg_1v5>;
> +	       DOVDD-supply = <&reg_1v8>;
> +	       status = "okay";
> +
> +	       port {
> +		       ov5640_mipi_0_ep: endpoint {
> +			       remote-endpoint = <&mipi_csi0_ep>;
> +			       data-lanes = <1 2>;
> +		       };
> +	       };
> +	};
> +
>  	hdmi@3d {
>  		compatible = "adi,adv7535";
>  		reg = <0x3d>;
> @@ -660,6 +705,10 @@ &i2c5 {
>  	 */
>  };
>  
> +&isi_0 {
> +	status = "okay";
> +};
> +
>  &lcdif1 {
>  	status = "okay";
>  };
> @@ -678,6 +727,19 @@ &micfil {
>  	status = "okay";
>  };
>  
> +&mipi_csi_0 {
> +	status = "okay";
> +
> +	ports {
> +	       port@0 {
> +		       mipi_csi0_ep: endpoint {
> +				remote-endpoint = <&ov5640_mipi_0_ep>;
> +				data-lanes = <1 2>;
> +		       };
> +	       };
> +	};
> +};
> +
>  &mipi_dsi {
>  	samsung,esc-clock-frequency = <10000000>;
>  	status = "okay";
> @@ -849,6 +911,24 @@ MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29		0xd6
>  		>;
>  	};
>  
> +	pinctrl_csi_mclk: csi_mclk_grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_GPIO1_IO15__CCM_CLKO2	0x50
> +		>;
> +	};
> +
> +	pinctrl_csi0_pwn: csi0_pwn_grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SD1_STROBE__GPIO2_IO11	0x10
> +		>;
> +	};
> +
> +	pinctrl_csi0_rst: csi0_rst_grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_GPIO1_IO06__GPIO1_IO06	0x10
> +		>;
> +	};
> +
>  	pinctrl_eqos: eqosgrp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC				0x2
> -- 
> 2.34.1
>