From 99ca11738f99cd54c6685ea172773d04956da1b4 Mon Sep 17 00:00:00 2001
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Wed, 7 Apr 2021 16:24:12 +0200
Subject: overlays: apalis-imx8x_ov5640_overlay: csi camera module 5mp ov5640

Add device tree overlay for CSI Camera Module 5MP OV5640 previously
orderable at Toradex.

Related-to: ELB-3883
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---
 overlays/Makefile                        |  1 +
 overlays/apalis-imx8x_ov5640_overlay.dts | 90 ++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 overlays/apalis-imx8x_ov5640_overlay.dts

diff --git a/overlays/Makefile b/overlays/Makefile
index 6c1d4bd..0b043bc 100644
--- a/overlays/Makefile
+++ b/overlays/Makefile
@@ -36,6 +36,7 @@ dtb-y += apalis-imx8x_ad7879_overlay.dtbo
 dtb-y += apalis-imx8x_atmel-mxt_overlay.dtbo
 dtb-y += apalis-imx8x_dsihdmi_overlay.dtbo
 dtb-y += apalis-imx8x_lvds_overlay.dtbo
+dtb-y += apalis-imx8x_ov5640_overlay.dtbo
 dtb-y += apalis-imx8x_parallel-rgb_overlay.dtbo
 dtb-y += colibri-imx6_atmel-mxt-adapter_overlay.dtbo
 dtb-y += colibri-imx6_atmel-mxt-connector_overlay.dtbo
diff --git a/overlays/apalis-imx8x_ov5640_overlay.dts b/overlays/apalis-imx8x_ov5640_overlay.dts
new file mode 100644
index 0000000..4245241
--- /dev/null
+++ b/overlays/apalis-imx8x_ov5640_overlay.dts
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2021 Toradex
+ */
+
+// CSI Camera Module 5MP OV5640 previously orderable at Toradex.
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "toradex,apalis-imx8x";
+};
+
+/* Apalis I2C3 (CAM) */
+&i2c3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	ov5640_mipi@3c {
+		AVDD-supply = <&reg_module_3v3>;
+		compatible = "ovti,ov5640";
+		clocks = <&xtal24m>;
+		clock-names = "xclk";
+		csi_id = <0>;
+		DOVDD-supply = <&reg_module_3v3>;
+		DVDD-supply = <&reg_module_3v3>;
+		mclk = <24000000>;
+		mclk_source = <0>;
+		mipi_csi;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio1>, <&pinctrl_gpio2>;
+		powerdown-gpios = <&lsio_gpio3 22 GPIO_ACTIVE_HIGH>;	/* Apalis GPIO2 */
+		reg = <0x3c>;
+		reset-gpios = <&lsio_gpio3 21 GPIO_ACTIVE_LOW>;		/* Apalis GPIO1 */
+		status = "okay";
+
+		port {
+			ov5640_mipi_ep: endpoint {
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+				remote-endpoint = <&mipi_csi0_ep>;
+			};
+		};
+	};
+};
+
+&irqsteer_csi0 {
+	status = "okay";
+};
+
+&isi_0 {
+	/**
+	 * interface = <Input MIPI_VCx Output>
+	 * Input:	0-DC0, 1-DC1, 2-MIPI CSI0, 3-MIPI CSI1, 4-HDMI, 5-MEM, INPUT: 6-PARALLEL CSI
+	 * MIPI_VCx:	0-VC0, 1-VC1, 2-VC2, 3-VC3, MIPI CSI only
+	 * Output:	0-DC0, 1-DC1, 2-MEM
+	 */
+	interface = <2 0 2>;
+	status = "okay";
+
+	cap_device {
+		status = "okay";
+	};
+
+	m2m_device {
+		status = "okay";
+	};
+};
+
+&mipi_csi_0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	/delete-property/virtual-channel;
+	status = "okay";
+
+	/* Camera 0 MIPI CSI-2 (CSIS0) */
+	port@0 {
+		reg = <0>;
+
+		mipi_csi0_ep: endpoint {
+			bus-type = <4>;
+			data-lanes = <1 2>;
+			remote-endpoint = <&ov5640_mipi_ep>;
+		};
+	};
+};
-- 
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