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Subject[RFC V2 3/5] arm64: dts: imx8mm-beacon: Enable OV5640 Camera
Date
The baseboard has support for a TDNext 5640 Camera which
uses an OV5640 connected to a 2-lane CSI2 interface.

Signed-off-by: Adam Ford <aford173@gmail.com>
---
.../freescale/imx8mm-beacon-baseboard.dtsi | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
index 6f5e63696ec0..cb19c80ac29c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
@@ -43,6 +43,16 @@ reg_audio: regulator-audio {
enable-active-high;
};

+ reg_camera: regulator-camera {
+ compatible = "regulator-fixed";
+ regulator-name = "mipi_pwr";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ gpio = <&pca6416_1 0 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ startup-delay-us = <100000>;
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
@@ -67,6 +77,10 @@ sound {
};
};

+&csi {
+ status = "okay";
+};
+
&ecspi2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_espi2>;
@@ -90,6 +104,30 @@ &i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
+
+ camera@3c {
+ compatible = "ovti,ov5640";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ov5640>;
+ reg = <0x3c>;
+ clocks = <&clk IMX8MM_CLK_CLKO1>;
+ clock-names = "xclk";
+ assigned-clocks = <&clk IMX8MM_CLK_CLKO1>;
+ assigned-clock-parents = <&clk IMX8MM_CLK_24M>;
+ assigned-clock-rates = <24000000>;
+ AVDD-supply = <&reg_camera>; /* 2.8v */
+ powerdown-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+
+ port {
+ /* MIPI CSI-2 bus endpoint */
+ ov5640_to_mipi_csi2: endpoint {
+ remote-endpoint = <&imx8mm_mipi_csi_in>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ };
+ };
+ };
};

&i2c4 {
@@ -141,6 +179,15 @@ pca6416_1: gpio@21 {
};
};

+&imx8mm_mipi_csi_in {
+ remote-endpoint = <&ov5640_to_mipi_csi2>;
+ data-lanes = <1 2>;
+};
+
+&mipi_csi2 {
+ status = "okay";
+};
+
&sai3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai3>;
@@ -209,6 +256,14 @@ MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x41
>;
};

+ pinctrl_ov5640: ov5640grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO07_GPIO1_IO7 0x19
+ MX8MM_IOMUXC_GPIO1_IO06_GPIO1_IO6 0x19
+ MX8MM_IOMUXC_GPIO1_IO14_CCMSRCGPCMIX_CLKO1 0x59
+ >;
+ };
+
pinctrl_pcal6414: pcal6414-gpiogrp {
fsl,pins = <
MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x19
--
2.25.1
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