linux-kernel - [PATCH v2 1/1] arm64: dts: imx8mp-evk: add camera ov5640 and related nodes

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Message-Id: <20251229163101.4004478-1-Frank.Li@nxp.com>
Date: Mon, 29 Dec 2025 11:31:01 -0500
From: Frank Li <Frank.Li@....com>
To: shawnguo@...nel.org
Cc: Frank.Li@....com,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	festevam@...il.com,
	imx@...ts.linux.dev,
	kernel@...gutronix.de,
	krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	robh@...nel.org,
	s.hauer@...gutronix.de
Subject: [PATCH v2 1/1] arm64: dts: imx8mp-evk: add camera ov5640 and related nodes

Add camera ov5640 and related nodes.

Signed-off-by: Frank Li <Frank.Li@....com>
---
change in v2
- correct regulator voltage.
---
 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 c6facb2ad9aaa..e7fe90ae59353 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 = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	reg_2v8: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "2v8";
+		regulator-min-microvolt = <2800000>;
+		regulator-max-microvolt = <2800000>;
+	};
+
 	reg_audio_3v3: regulator-audio-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "audio-3v3";
@@ -560,6 +581,30 @@ &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>;
@@ -664,6 +709,10 @@ &i2c5 {
 	 */
 };
 
+&isi_0 {
+	status = "okay";
+};
+
 &lcdif1 {
 	status = "okay";
 };
@@ -682,6 +731,19 @@ &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";
@@ -855,6 +917,24 @@ 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