From: Zoltan HERPAI <wigyori@uid0.hu>
Date: Sun, 29 Oct 2023 17:55:22 +0000 (+0100)
Subject: sunxi: add OV5640 dtsi camera module for H2/H3 SoCs
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6edf423626960767ff3bd93df414b127142fbb3a;p=openwrt%2Fstaging%2Fwigyori.git

sunxi: add OV5640 dtsi camera module for H2/H3 SoCs

Create a dtsi with an OV5640 camera definition that can be used
as an include in H2/H3 boards.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
---

diff --git a/target/linux/sunxi/patches-6.1/900-dts-sunxi-h2-h3-add-OV5640-dtsi.patch b/target/linux/sunxi/patches-6.1/900-dts-sunxi-h2-h3-add-OV5640-dtsi.patch
new file mode 100644
index 0000000000..793c10a08e
--- /dev/null
+++ b/target/linux/sunxi/patches-6.1/900-dts-sunxi-h2-h3-add-OV5640-dtsi.patch
@@ -0,0 +1,124 @@
+diff -ruN a/arch/arm/boot/dts/sunxi-h2-h3-ov5640.dtsi b/arch/arm/boot/dts/sunxi-h2-h3-ov5640.dtsi
+--- a/arch/arm/boot/dts/sunxi-h2-h3-ov5640.dtsi	1970-01-01 01:00:00.000000000 +0100
++++ b/arch/arm/boot/dts/sunxi-h2-h3-ov5640.dtsi	2023-10-29 17:41:49.626274400 +0100
+@@ -0,0 +1,120 @@
++/ {
++	cam_xclk: cam-xclk {
++		#clock-cells = <0>;
++		compatible = "fixed-clock";
++		clock-frequency = <24000000>;
++		clock-output-names = "cam-xclk";
++	};
++
++	reg_cam_avdd: cam-avdd {
++		compatible = "regulator-fixed";
++		regulator-name = "csi-avdd";
++		regulator-min-microvolt = <2800000>;
++		regulator-max-microvolt = <2800000>;
++		startup-delay-us = <200>; /* 50 us + board delays */
++		enable-active-high;
++		gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
++	};
++
++	reg_cam_dovdd: cam-dovdd {
++		compatible = "regulator-fixed";
++		regulator-name = "csi-dovdd";
++		regulator-min-microvolt = <2800000>;
++		regulator-max-microvolt = <2800000>;
++		startup-delay-us = <200>; /* 50 us + board delays */
++		regulator-always-on;
++		enable-active-high;
++		gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
++	};
++
++	reg_cam_dvdd: cam-dvdd {
++		compatible = "regulator-fixed";
++		regulator-name = "csi-dvdd";
++		regulator-min-microvolt = <1500000>;
++		regulator-max-microvolt = <1500000>;
++		startup-delay-us = <200>; /* 50 us + board delays */
++		enable-active-high;
++		gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
++	};
++};
++
++&de {
++	status = "okay";
++};
++
++&pio {
++	csi_mclk_pin: csi-mclk-pin {
++		pins = "PE1";
++		function = "csi";
++	};
++};
++
++&de {
++	status = "okay";
++};
++
++&csi {
++	status = "okay";
++
++	port {
++		#address-cells = <1>;
++		#size-cells = <0>;
++
++		// Parallel bus endpoint
++		csi_from_ov5640: endpoint {
++			remote-endpoint = <&ov5640_to_csi>;
++			bus-width = <8>;
++			data-shift = <2>;
++			hsync-active = <1>; // Active high
++			vsync-active = <0>; // Active low
++			data-active = <1>;  // Active high
++			pclk-sample = <1>;  // Rising
++		};
++	};
++};
++
++&i2c0 {
++	status = "okay";
++};
++
++&i2c1 {
++	status = "okay";
++};
++
++&i2c2_pins {
++	bias-pull-up;
++};
++
++&i2c2 {
++	status = "okay";
++
++	ov5640: camera@3c {
++		compatible = "ovti,ov5640";
++		reg = <0x3c>;
++
++		clocks = <&ccu CLK_CSI_MCLK>;
++		clock-names = "xclk";
++
++		pinctrl-names = "default";
++		pinctrl-0 = <&csi_mclk_pin>;
++		
++		reset-gpios = <&pio 4 14 GPIO_ACTIVE_LOW>;
++		powerdown-gpios = <&pio 4 15 GPIO_ACTIVE_HIGH>;
++
++		AVDD-supply = <&reg_cam_avdd>;
++		DOVDD-supply = <&reg_cam_dovdd>;
++		DVDD-supply = <&reg_cam_dvdd>;
++
++		port {
++			ov5640_to_csi: endpoint {
++				remote-endpoint = <&csi_from_ov5640>;
++				bus-width = <8>;
++				data-shift = <2>;
++				hsync-active = <1>; // Active high
++				vsync-active = <0>; // Active low
++				data-active = <1>;  // Active high
++				pclk-sample = <1>;  // Rising
++			};
++		};
++	};
++};