[PATCH 9/9] arm64: dts: rockchip: Add the Video-Demo overlay for Lion Haikou

Heiko Stuebner
2025-10-20T08:26:30Z

The video-demo adapter also works on the Lion SoM when running
on a Haikou baseboard, so add an overlay for it.

Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
---
arch/arm64/boot/dts/rockchip/Makefile | 5 +
.../rk3368-lion-haikou-video-demo.dtso | 174 ++++++++++++++++++
2 files changed, 179 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3368-lion-haikou-video-demo.dtso

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index ad684e3831bc..494fdd685a5c 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -42,6 +42,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-evb-act8846.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-geekbox.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-lba3368.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-lion-haikou.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-lion-haikou-video-demo.dtbo
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-orion-r68-meta.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-px5-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-r88.dtb
@@ -231,6 +232,10 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-ringneck-haikou-haikou-video-demo.dtb
px30-ringneck-haikou-haikou-video-demo-dtbs := px30-ringneck-haikou.dtb \
px30-ringneck-haikou-video-demo.dtbo

+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-lion-haikou-haikou-video-demo.dtb
+rk3368-lion-haikou-haikou-video-demo-dtbs := rk3368-lion-haikou.dtb \
+ rk3368-lion-haikou-video-demo.dtbo
+
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou-haikou-video-demo.dtb
rk3399-puma-haikou-haikou-video-demo-dtbs := rk3399-puma-haikou.dtb \
rk3399-puma-haikou-video-demo.dtbo
diff --git a/arch/arm64/boot/dts/rockchip/rk3368-lion-haikou-video-demo.dtso b/arch/arm64/boot/dts/rockchip/rk3368-lion-haikou-video-demo.dtso
new file mode 100644
index 000000000000..e7767c008144
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3368-lion-haikou-video-demo.dtso
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Cherry Embedded Solutions GmbH
+ *
+ * DEVKIT ADDON CAM-TS-A01
+ * https://embedded.cherry.de/product/development-kit/
+ *
+ * DT-overlay for the camera / DSI demo appliance for Haikou boards.
+ * In the flavour for use with a Puma system-on-module.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/rk3368-cru.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+&{/} {
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ power-supply = <&dc_12v>;
+ pwms = <&pwm1 0 25000 0>;
+ };
+
+ cam_afvdd_2v8: regulator-cam-afvdd-2v8 {
+ compatible = "regulator-fixed";
+ gpio = <&pca9670 2 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "cam-afvdd-2v8";
+ vin-supply = <&vcc2v8_video>;
+ };
+
+ cam_avdd_2v8: regulator-cam-avdd-2v8 {
+ compatible = "regulator-fixed";
+ gpio = <&pca9670 4 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "cam-avdd-2v8";
+ vin-supply = <&vcc2v8_video>;
+ };
+
+ cam_dovdd_1v8: regulator-cam-dovdd-1v8 {
+ compatible = "regulator-fixed";
+ gpio = <&pca9670 3 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "cam-dovdd-1v8";
+ vin-supply = <&vcc1v8_video>;
+ };
+
+ cam_dvdd_1v2: regulator-cam-dvdd-1v2 {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&pca9670 5 GPIO_ACTIVE_HIGH>;
+ regulator-max-microvolt = <1200000>;
+ regulator-min-microvolt = <1200000>;
+ regulator-name = "cam-dvdd-1v2";
+ vin-supply = <&vcc3v3_baseboard>;
+ };
+
+ vcc1v8_video: regulator-vcc1v8-video {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "vcc1v8-video";
+ vin-supply = <&vcc3v3_baseboard>;
+ };
+
+ vcc2v8_video: regulator-vcc2v8-video {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "vcc2v8-video";
+ vin-supply = <&vcc3v3_baseboard>;
+ };
+
+ video-adapter-leds {
+ compatible = "gpio-leds";
+
+ video-adapter-led {
+ color = <LED_COLOR_ID_BLUE>;
+ gpios = <&pca9670 7 GPIO_ACTIVE_HIGH>;
+ label = "video-adapter-led";
+ linux,default-trigger = "none";
+ };
+ };
+};
+
+&dphy {
+ status = "okay";
+};
+
+&i2c_gp2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* OV5675, GT911, DW9714 are limited to 400KHz */
+ clock-frequency = <400000>;
+
+ touchscreen@14 {
+ compatible = "goodix,gt911";
+ reg = <0x14>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <RK_PB5 IRQ_TYPE_LEVEL_LOW>;
+ irq-gpios = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>;
+ pinctrl-0 = <&touch_int>;
+ pinctrl-names = "default";
+ reset-gpios = <&pca9670 1 GPIO_ACTIVE_HIGH>;
+ AVDD28-supply = <&vcc2v8_video>;
+ VDDIO-supply = <&vcc3v3_baseboard>;
+ };
+
+ pca9670: gpio@27 {
+ compatible = "nxp,pca9670";
+ reg = <0x27>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ pinctrl-0 = <&pca9670_resetn>;
+ pinctrl-names = "default";
+ reset-gpios = <&gpio1 RK_PA5 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&mipi_dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ panel@0 {
+ compatible = "leadtek,ltk050h3148w";
+ reg = <0>;
+ backlight = <&backlight>;
+ iovcc-supply = <&vcc1v8_video>;
+ reset-gpios = <&pca9670 0 GPIO_ACTIVE_LOW>;
+ vci-supply = <&vcc2v8_video>;
+
+ port {
+ mipi_in_panel: endpoint {
+ remote-endpoint = <&mipi_out_panel>;
+ };
+ };
+ };
+};
+
+&mipi_out {
+ mipi_out_panel: endpoint {
+ remote-endpoint = <&mipi_in_panel>;
+ };
+};
+
+&pinctrl {
+ pca9670 {
+ pca9670_resetn: pca9670-resetn {
+ rockchip,pins = <1 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ touch {
+ touch_int: touch-int {
+ rockchip,pins = <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&pwm1 {
+ status = "okay";
+};
\ No newline at end of file
--
2.47.2