arm64: dts: renesas: sparrow-hawk: Add overlay for IMX219 on J2

Add an overlay to connect an IMX219 camera sensor to the J2 connector.
The IMX219 utilizes 2 CSI-2 D-PHY lanes. This enables the video capture
pipeline behind the CSI41 Rx to be enabled to process images from the
sensor.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250905084050.310651-3-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 82656bce02e9da19356114c4353badb8f7eedeb3..8a5302b0412e16a76d9141e1512270b2b8ba7c1f 100644 (file)
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -99,6 +99,9 @@ dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk.dtb
 dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-camera-j1-imx219.dtbo
 r8a779g3-sparrow-hawk-camera-j1-imx219-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-camera-j1-imx219.dtbo
 dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-camera-j1-imx219.dtb
+dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-camera-j2-imx219.dtbo
+r8a779g3-sparrow-hawk-camera-j2-imx219-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-camera-j2-imx219.dtbo
+dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-camera-j2-imx219.dtb
 dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtbo
 r8a779g3-sparrow-hawk-fan-pwm-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-fan-pwm.dtbo
 dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtb

diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-camera-j2-imx219.dtso b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-camera-j2-imx219.dtso
new file mode 100644 (file)
index 0000000..512810b
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-camera-j2-imx219.dtso
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Overlay for an IMX219 camera sensor on connector J2 on R-Car V4H
+ * ES3.0 Sparrow Hawk board.
+ *
+ * Copyright 2025 Renesas Electronics Corp.
+ * Copyright 2025 Niklas Söderlund <niklas.soderlund@ragnatech.se>
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/media/video-interfaces.h>
+
+&{/} {
+       clk_cam_j2: clk-cam-j2 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <24000000>;
+       };
+
+       /* Page 29 / CSI_IF_CN / J2 */
+       reg_cam_j2: reg-cam-j2 {
+               compatible = "regulator-fixed";
+               regulator-name = "cam-J2";
+               enable-active-high;
+               gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
+       };
+};
+
+&i2c2 {
+       #address-cells = <1>;
+       #size-cells = <0>;
+       status = "okay";
+
+       cam@10 {
+               compatible = "sony,imx219";
+               reg = <0x10>;
+
+               clocks = <&clk_cam_j2>;
+
+               VANA-supply = <&reg_cam_j2>;
+               VDIG-supply = <&reg_cam_j2>;
+               VDDL-supply = <&reg_cam_j2>;
+
+               orientation = <2>;
+               rotation = <0>;
+
+               port {
+                       imx219_j2_out: endpoint {
+                               clock-noncontinuous;
+                               link-frequencies = /bits/ 64 <456000000>;
+                               data-lanes = <1 2>;
+                               remote-endpoint = <&csi41_in>;
+                       };
+               };
+       };
+};
+
+/* Page 29 / CSI_IF_CN */
+&csi41 {
+       status = "okay";
+
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       reg = <0>;
+
+                       csi41_in: endpoint {
+                               bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
+                               clock-lanes = <0>;
+                               data-lanes = <1 2>;
+                               remote-endpoint = <&imx219_j2_out>;
+                       };
+               };
+       };
+};
+
+&isp1 {
+       status = "okay";
+};
+
+&vin08 {
+       status = "okay";
+};
+
+&vin09 {
+       status = "okay";
+};
+
+&vin10 {
+       status = "okay";
+};
+
+&vin11 {
+       status = "okay";
+};
+
+&vin12 {
+       status = "okay";
+};
+
+&vin13 {
+       status = "okay";
+};
+
+&vin14 {
+       status = "okay";
+};
+
+&vin15 {
+       status = "okay";
+};