[PATCH v2 2/2] arm64: dts: imx8mp-tqma8mpql-mba8mp-ras314: Add Raspberry Pi Camera V2 overlay

Alexander Stein
2025-04-24T07:50:20Z

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@ew.tq-group.com>
---
Thanks for the review.

Changes in v2:
* Renamed camera clock node
* Fixed unit-address of sensor node

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 6f87f28f4583e..47cb156c94e7b 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..e5a2b3780215d
--- /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@ew.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: clock-cam24m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ clock-output-names = "cam24m";
+ };
+};
+
+&i2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ camera@10 {
+ 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