[PATCH v3 8/9] arm64: dts: ti: k3-am62x: Add overlay for IMX219

From: Jai Luthra
Date: Tue Nov 28 2023 - 05:13:04 EST


RPi v2 Camera (IMX219) is an 8MP camera that can be used with SK-AM62A
through the 22-pin CSI-RX connector.

Same overlay can be used across SK-AM62* boards that have a 15/22-pin
FFC connector, so we name it with the k3-am62x- prefix.

Signed-off-by: Jai Luthra <j-luthra@xxxxxx>
---
arch/arm64/boot/dts/ti/Makefile | 7 ++
.../arm64/boot/dts/ti/k3-am62x-sk-csi2-imx219.dtso | 84 ++++++++++++++++++++++
2 files changed, 91 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index f957b5f741ff..fd9166497c32 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -35,6 +35,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb
# Common overlays for SK-AM62* family of boards
dtb-$(CONFIG_ARCH_K3) += k3-am62x-sk-csi2-ov5640.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am62x-sk-csi2-tevi-ov5640.dtbo
+dtb-$(CONFIG_ARCH_K3) += k3-am62x-sk-csi2-imx219.dtbo

# Boards with AM64x SoC
dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb
@@ -91,18 +92,24 @@ k3-am625-beagleplay-csi2-ov5640-dtbs := k3-am625-beagleplay.dtb \
k3-am625-beagleplay-csi2-ov5640.dtbo
k3-am625-beagleplay-csi2-tevi-ov5640-dtbs := k3-am625-beagleplay.dtb \
k3-am625-beagleplay-csi2-tevi-ov5640.dtbo
+k3-am625-sk-csi2-imx219-dtbs := k3-am625-sk.dtb \
+ k3-am62x-sk-csi2-imx219.dtbo
k3-am625-sk-csi2-ov5640-dtbs := k3-am625-sk.dtb \
k3-am62x-sk-csi2-ov5640.dtbo
k3-am625-sk-csi2-tevi-ov5640-dtbs := k3-am625-sk.dtb \
k3-am62x-sk-csi2-tevi-ov5640.dtbo
+k3-am62a7-sk-csi2-imx219-dtbs := k3-am62a7-sk.dtb \
+ k3-am62x-sk-csi2-imx219.dtbo
k3-am62a7-sk-csi2-ov5640-dtbs := k3-am62a7-sk.dtb \
k3-am62x-sk-csi2-ov5640.dtbo
k3-am62a7-sk-csi2-tevi-ov5640-dtbs := k3-am62a7-sk.dtb \
k3-am62x-sk-csi2-tevi-ov5640.dtbo
dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
k3-am625-beagleplay-csi2-tevi-ov5640.dtb \
+ k3-am625-sk-csi2-imx219.dtb \
k3-am625-sk-csi2-ov5640.dtb \
k3-am625-sk-csi2-tevi-ov5640.dtb \
+ k3-am62a7-sk-csi2-imx219.dtb \
k3-am62a7-sk-csi2-ov5640.dtb \
k3-am62a7-sk-csi2-tevi-ov5640.dtb

diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-csi2-imx219.dtso b/arch/arm64/boot/dts/ti/k3-am62x-sk-csi2-imx219.dtso
new file mode 100644
index 000000000000..6f4cd73c2f43
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-csi2-imx219.dtso
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * IMX219 (RPi v2) Camera Module
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+ clk_imx219_fixed: imx219-xclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+};
+
+&main_i2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ i2c-switch@71 {
+ compatible = "nxp,pca9543";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x71>;
+
+ /* CAM port */
+ i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ ov5640: camera@10 {
+ compatible = "sony,imx219";
+ reg = <0x10>;
+
+ clocks = <&clk_imx219_fixed>;
+ clock-names = "xclk";
+
+ reset-gpios = <&exp1 13 GPIO_ACTIVE_HIGH>;
+
+ port {
+ csi2_cam0: endpoint {
+ remote-endpoint = <&csi2rx0_in_sensor>;
+ link-frequencies = /bits/ 64 <456000000>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ };
+ };
+ };
+ };
+ };
+};
+
+&cdns_csi2rx0 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ csi0_port0: port@0 {
+ reg = <0>;
+ status = "okay";
+
+ csi2rx0_in_sensor: endpoint {
+ remote-endpoint = <&csi2_cam0>;
+ bus-type = <4>; /* CSI2 DPHY. */
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ };
+ };
+ };
+};
+
+&ti_csi2rx0 {
+ status = "okay";
+};
+
+&dphy0 {
+ status = "okay";
+};

--
2.42.1