linux-kernel - [PATCH 2/2] arm64: dts: imx8mp-tqma8mpql-mba8mp-ras314: Add Raspberry Pi Camera V2 overlay

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Message-ID: <20250324071102.23765-2-alexander.stein@ew.tq-group.com>
Date: Mon, 24 Mar 2025 08:11:00 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux@...tq-group.com
Subject: [PATCH 2/2] arm64: dts: imx8mp-tqma8mpql-mba8mp-ras314: Add Raspberry Pi Camera V2 overlay

This overlay configures IMX219 MIPI-CSI-2 camera attached to ISP1.
Also add additional overlay both using LVDS display and camera.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 arch/arm64/boot/dts/freescale/Makefile        |   4 +
 ...imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtso | 107 ++++++++++++++++++
 2 files changed, 111 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index d7ac8dda4bde5..b5cd2efd260cb 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -247,10 +247,14 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk-pcie-ep.dtb
 
 imx8mp-tqma8mpql-mba8mpxl-lvds-dtbs += imx8mp-tqma8mpql-mba8mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds.dtbo
 imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01-dtbs += imx8mp-tqma8mpql-mba8mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtbo
+imx8mp-tqma8mpql-mba8mp-ras314-imx219-dtbs += imx8mp-tqma8mpql-mba8mp-ras314.dtb imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtbo
 imx8mp-tqma8mpql-mba8mp-ras314-lvds-dtbs += imx8mp-tqma8mpql-mba8mp-ras314.dtb imx8mp-tqma8mpql-mba8mpxl-lvds.dtbo
+imx8mp-tqma8mpql-mba8mp-ras314-lvds-imx219-dtbs += imx8mp-tqma8mpql-mba8mp-ras314.dtb imx8mp-tqma8mpql-mba8mpxl-lvds.dtbo imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtbo
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl-lvds.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-lvds.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-lvds-imx219.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtso
new file mode 100644
index 0000000000000..0bc96d242f33f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtso
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2022-2025 TQ-Systems GmbH <linux@...tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/media/video-interfaces.h>
+
+#include "imx8mp-pinfunc.h"
+
+&{/} {
+	/*
+	 * The three camera regulators are controlled by a single GPIO. Declare
+	 * a single regulator for the three supplies.
+	 */
+	reg_cam: regulator-cam {
+		compatible = "regulator-fixed";
+		regulator-name = "reg_cam";
+		/* pad muxing already done in gpio2grp */
+		gpio = <&gpio2 6 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&reg_vcc_3v3>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	cam24m: cam24m {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		clock-output-names = "cam24m";
+	};
+};
+
+&i2c2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	camera@1a {
+		compatible = "sony,imx219";
+		reg = <0x10>;
+		clocks = <&cam24m>;
+		VANA-supply = <&reg_cam>;
+		VDIG-supply = <&reg_cam>;
+		VDDL-supply = <&reg_cam>;
+		orientation = <2>;
+		rotation = <0>;
+
+		port {
+			sony_imx219: endpoint {
+				remote-endpoint = <&imx8mp_mipi_csi_in>;
+				clock-lanes = <0>;
+				clock-noncontinuous;
+				data-lanes = <1 2>;
+				link-frequencies = /bits/ 64 <456000000>;
+			};
+		};
+	};
+};
+
+&isi_0 {
+	status = "disabled";
+
+	ports {
+		port@0 {
+			/delete-node/ endpoint;
+		};
+	};
+};
+
+&isp_0 {
+	status = "okay";
+
+	ports {
+		port@1 {
+			isp0_in: endpoint {
+				bus-type = <MEDIA_BUS_TYPE_PARALLEL>;
+				remote-endpoint = <&mipi_csi_0_out>;
+			};
+		};
+	};
+};
+
+&mipi_csi_0 {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			imx8mp_mipi_csi_in: endpoint {
+				remote-endpoint = <&sony_imx219>;
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
+&mipi_csi_0_out {
+	remote-endpoint = <&isp0_in>;
+};
-- 
2.43.0