[PATCH 4/5] arm64: dts: ti: k3-j722s-evm: Add overlay for quad IMX219

[Vaishnav Achath <vaishnav.a@ti.com>]

RPi v2 Camera (IMX219) is an 8MP camera that can be used with J722S EVM
through the 22-pin CSI-RX connector. Add a reference overlay for quad
IMX219 RPI camera v2 modules on J722S EVM

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
---
 arch/arm64/boot/dts/ti/Makefile               |   5 +
 ...k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso | 304 ++++++++++++++++++
 2 files changed, 309 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso

diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 8a4bdf87e2d4..9ae0917e5763 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -119,6 +119,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721s2-evm-pcie1-ep.dtbo
 # Boards with J722s SoC
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-beagley-ai.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtbo
 
 # Boards with J784s4 SoC
 dtb-$(CONFIG_ARCH_K3) += k3-am69-sk.dtb
@@ -209,6 +210,8 @@ k3-j721e-sk-csi2-dual-imx219-dtbs := k3-j721e-sk.dtb \
 	k3-j721e-sk-csi2-dual-imx219.dtbo
 k3-j721s2-evm-pcie1-ep-dtbs := k3-j721s2-common-proc-board.dtb \
 	k3-j721s2-evm-pcie1-ep.dtbo
+k3-j722s-evm-csi2-quad-rpi-cam-imx219-dtbs := k3-j722s-evm.dtb \
+	k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtbo
 k3-j784s4-evm-pcie0-pcie1-ep-dtbs := k3-j784s4-evm.dtb \
 	k3-j784s4-evm-pcie0-pcie1-ep.dtbo
 k3-j784s4-evm-quad-port-eth-exp1-dtbs := k3-j784s4-evm.dtb \
@@ -243,6 +246,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
 	k3-j721e-evm-pcie1-ep.dtb \
 	k3-j721e-sk-csi2-dual-imx219.dtb \
 	k3-j721s2-evm-pcie1-ep.dtb \
+	k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtb \
 	k3-j784s4-evm-pcie0-pcie1-ep.dtb \
 	k3-j784s4-evm-quad-port-eth-exp1.dtb \
 	k3-j784s4-evm-usxgmii-exp1-exp2.dtb
@@ -266,5 +270,6 @@ DTC_FLAGS_k3-j721e-common-proc-board += -@
 DTC_FLAGS_k3-j721e-evm-pcie0-ep += -@
 DTC_FLAGS_k3-j721e-sk += -@
 DTC_FLAGS_k3-j721s2-common-proc-board += -@
+DTC_FLAGS_k3-j722s-evm += -@
 DTC_FLAGS_k3-j784s4-evm += -@
 DTC_FLAGS_k3-j742s2-evm += -@
diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso b/arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso
new file mode 100644
index 000000000000..4c5ec2c7826e
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/*
+ * DT Overlay for RPi Camera V2.1 on J722S-EVM board.
+ *
+ * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Schematics: https://datasheets.raspberrypi.com/camera/camera-v2-schematics.pdf
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "k3-pinctrl.h"
+
+&main_pmx0 {
+	cam0_reset_pins_default: cam0-reset-pins-default {
+		pinctrl-single,pins = <
+			J722S_IOPAD(0x03c, PIN_OUTPUT, 7)
+		>;
+	};
+
+	cam1_reset_pins_default: cam1-reset-pins-default {
+		pinctrl-single,pins = <
+			J722S_IOPAD(0x044, PIN_OUTPUT, 7)
+		>;
+	};
+
+	cam2_reset_pins_default: cam2-reset-pins-default {
+		pinctrl-single,pins = <
+			J722S_IOPAD(0x04c, PIN_OUTPUT, 7)
+		>;
+	};
+
+	cam3_reset_pins_default: cam3-reset-pins-default {
+		pinctrl-single,pins = <
+			J722S_IOPAD(0x054, PIN_OUTPUT, 7)
+		>;
+	};
+};
+
+&{/} {
+	clk_imx219_fixed: imx219-xclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+	};
+};
+
+&exp1 {
+	p06-hog{
+		/* P06 - CSI01_MUX_SEL_2 */
+		gpio-hog;
+		gpios = <6 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "CSI01_MUX_SEL_2";
+	};
+
+	p07-hog{
+		/* P01 - CSI23_MUX_SEL_2 */
+		gpio-hog;
+		gpios = <7 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "CSI23_MUX_SEL_2";
+	};
+};
+
+&pca9543_0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	i2c-alias-pool = /bits/ 16 <0x10 0x11>;
+
+	/* CAM0 I2C */
+	i2c@0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+
+		imx219_0: sensor@10 {
+			compatible = "sony,imx219";
+			reg = <0x10>;
+
+			clocks = <&clk_imx219_fixed>;
+			clock-names = "xclk";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&cam0_reset_pins_default>;
+
+			reset-gpios = <&main_gpio0 15 GPIO_ACTIVE_HIGH>;
+
+			port {
+				csi2_cam0: endpoint {
+					remote-endpoint = <&csi2rx0_in_sensor>;
+					link-frequencies = /bits/ 64 <456000000>;
+					clock-lanes = <0>;
+					data-lanes = <1 2>;
+				};
+			};
+		};
+	};
+
+	/* CAM1 I2C */
+	i2c@1 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <1>;
+
+		imx219_1: sensor@10 {
+			compatible = "sony,imx219";
+			reg = <0x10>;
+
+			clocks = <&clk_imx219_fixed>;
+			clock-names = "xclk";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&cam1_reset_pins_default>;
+
+			reset-gpios = <&main_gpio0 17 GPIO_ACTIVE_HIGH>;
+
+			port {
+				csi2_cam1: endpoint {
+					remote-endpoint = <&csi2rx1_in_sensor>;
+					link-frequencies = /bits/ 64 <456000000>;
+					clock-lanes = <0>;
+					data-lanes = <1 2>;
+				};
+			};
+		};
+	};
+};
+
+&pca9543_1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	i2c-alias-pool = /bits/ 16 <0x10 0x11>;
+
+	/* CAM0 I2C */
+	i2c@0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+
+		imx219_2: sensor@10 {
+			compatible = "sony,imx219";
+			reg = <0x10>;
+
+			clocks = <&clk_imx219_fixed>;
+			clock-names = "xclk";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&cam2_reset_pins_default>;
+
+			reset-gpios = <&main_gpio0 19 GPIO_ACTIVE_HIGH>;
+
+			port {
+				csi2_cam2: endpoint {
+					remote-endpoint = <&csi2rx2_in_sensor>;
+					link-frequencies = /bits/ 64 <456000000>;
+					clock-lanes = <0>;
+					data-lanes = <1 2>;
+				};
+			};
+		};
+	};
+
+	/* CAM1 I2C */
+	i2c@1 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <1>;
+
+		imx219_3: sensor@10 {
+			compatible = "sony,imx219";
+			reg = <0x10>;
+
+			clocks = <&clk_imx219_fixed>;
+			clock-names = "xclk";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&cam3_reset_pins_default>;
+
+			reset-gpios = <&main_gpio0 21 GPIO_ACTIVE_HIGH>;
+
+			port {
+				csi2_cam3: endpoint {
+					remote-endpoint = <&csi2rx3_in_sensor>;
+					link-frequencies = /bits/ 64 <456000000>;
+					clock-lanes = <0>;
+					data-lanes = <1 2>;
+				};
+			};
+		};
+	};
+};
+
+&cdns_csi2rx0 {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		csi0_port0: port@0 {
+			reg = <0>;
+			status = "okay";
+
+			csi2rx0_in_sensor: endpoint {
+				remote-endpoint = <&csi2_cam0>;
+				bus-type = <4>; /* CSI2 DPHY */
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
+&cdns_csi2rx1 {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		csi1_port0: port@0 {
+			reg = <0>;
+			status = "okay";
+
+			csi2rx1_in_sensor: endpoint {
+				remote-endpoint = <&csi2_cam1>;
+				bus-type = <4>; /* CSI2 DPHY */
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
+&cdns_csi2rx2 {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		csi2_port0: port@0 {
+			reg = <0>;
+			status = "okay";
+
+			csi2rx2_in_sensor: endpoint {
+				remote-endpoint = <&csi2_cam2>;
+				bus-type = <4>; /* CSI2 DPHY */
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
+&cdns_csi2rx3 {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		csi3_port0: port@0 {
+			reg = <0>;
+			status = "okay";
+
+			csi2rx3_in_sensor: endpoint {
+				remote-endpoint = <&csi2_cam3>;
+				bus-type = <4>; /* CSI2 DPHY */
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
+&ti_csi2rx0 {
+	status = "okay";
+};
+
+&dphy0 {
+	status = "okay";
+};
+
+&ti_csi2rx1 {
+	status = "okay";
+};
+
+&dphy1 {
+	status = "okay";
+};
+
+&ti_csi2rx2 {
+	status = "okay";
+};
+
+&dphy2 {
+	status = "okay";
+};
+
+&ti_csi2rx3 {
+	status = "okay";
+};
+
+&dphy3 {
+	status = "okay";
+};
-- 
2.34.1