verdin-am62: add ov5640 camera overlay

Use media-ctl to set the format of the source node and gst-launch-1.0 to start
and consume the video stream.

media-ctl --set-v4l2 '"ov5640 4-003c":0 [fmt:UYVY8_1X16/640x480@1/30]'
gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=30 ! \
  video/x-raw,width=640,height=480, format=YUY2 ! waylandsink sync=false
[B
media-ctl --set-v4l2 '"ov5640 4-003c":0 [fmt:UYVY8_1X16/720x480@1/30]'
gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=30 ! \
  video/x-raw,width=720,height=480, format=YUY2 ! waylandsink sync=false

media-ctl --set-v4l2 '"ov5640 4-003c":0 [fmt:UYVY8_1X16/1280x720@1/30]'
gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=30 ! \
  video/x-raw,width=1280,height=720, format=YUY2 ! waylandsink sync=false

media-ctl --set-v4l2 '"ov5640 4-003c":0 [fmt:UYVY8_1X16/1920x1080@1/15]'
gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=30 ! \
  video/x-raw,width=1920,height=1080, format=YUY2 ! waylandsink sync=false

media-ctl --set-v4l2 '"ov5640 4-003c":0 [fmt:UYVY8_1X16/2592x1944@1/15]'
gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=30 ! \
  video/x-raw,width=2592,height=1944, format=YUY2 ! waylandsink sync=false

root@verdin-am62-14917625:~# media-ctl --set-v4l2 '"ov5640 4-003c":0 [fmt:UYVY8_1X16/640x480@1/30]'
root@verdin-am62-14917625:~# gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=30 ! \
  video/x-raw,width=640,height=480, format=YUY2 ! waylandsink sync=false -v
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw, width=(int)640, height=(int)480, format=(string)YUY2, framerate=(fraction)120/1, interlace-mode=(string)progressive, colorimetry=(string)2:4:16:1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw, width=(int)640, height=(int)480, format=(string)YUY2, framerate=(fraction)120/1, interlace-mode=(string)progressive, colorimetry=(string)2:4:16:1
/GstPipeline:pipeline0/GstWaylandSink:waylandsink0.GstPad:sink: caps = video/x-raw, width=(int)640, height=(int)480, format=(string)YUY2, framerate=(fraction)120/1, interlace-mode=(string)progressive, colorimetry=(string)2:4:16:1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw, width=(int)640, height=(int)480, format=(string)YUY2, framerate=(fraction)120/1, interlace-mode=(string)progressive, colorimetry=(string)2:4:16:1
Redistribute latency...
Got EOS from element "pipeline0".
Execution ended after 0:00:01.011434424
Setting pipeline to NULL ...
Freeing pipeline ...
root@verdin-am62-14917625:~#

Related-to: ELB-5082
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>

2 files changed, 61 insertions, 0 deletions

diff --git a/overlays/Makefile b/overlays/Makefile
index 7a843a3..f26a4e2 100644
--- a/overlays/Makefile
+++ b/overlays/Makefile
@@ -52,6 +52,7 @@ dtb-y += colibri-imx7_spidev_overlay.dtbo
 dtb-y += colibri-imx7_vga-640x480_overlay.dtbo
 dtb-y += verdin-am62_mezzanine_panel-cap-touch-10inch-lvds_overlay.dtbo
 dtb-y += verdin-am62_mezzanine_panel-lvds-dual-channel-1080p_overlay.dtbo
+dtb-y += verdin-am62_ov5640_overlay.dtbo
 dtb-y += verdin-am62_spidev_overlay.dtbo
 dtb-y += verdin-imx8mm_nau8822-btl_overlay.dtbo
 dtb-y += verdin-imx8mm_spidev_overlay.dtbo
diff --git a/overlays/verdin-am62_ov5640_overlay.dts b/overlays/verdin-am62_ov5640_overlay.dts
new file mode 100644
index 0000000..50d5efc
--- /dev/null
+++ b/overlays/verdin-am62_ov5640_overlay.dts
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+// CSI Camera Module 5MP OV5640
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "toradex,verdin-am62";
+};
+
+&{/} {
+	clk_ov5640_osc: ov5640-xclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+	};
+};
+
+&main_i2c3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	ov5640_csi_cam: camera@3c {
+		compatible = "ovti,ov5640";
+		reg = <0x3c>;
+
+		clocks = <&clk_ov5640_osc>;
+		clock-names = "xclk";
+		/* VERDIN GPIO 6 */
+		powerdown-gpios = <&main_gpio0 36 GPIO_ACTIVE_HIGH>;
+		/* VERDIN GPIO 5 */
+		reset-gpios = <&main_gpio0 40 GPIO_ACTIVE_LOW>;
+
+		port {
+			csi2_cam0: endpoint {
+				remote-endpoint = <&csi2rx0_in_sensor>;
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
+&csi0_port0 {
+	status = "okay";
+
+	csi2rx0_in_sensor: endpoint {
+		remote-endpoint = <&csi2_cam0>;
+		bus-type = <4>; /* CSI2 DPHY. */
+		clock-lanes = <0>;
+		data-lanes = <1 2>;
+	};
+};