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// 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 Ringneck system-on-module.
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/clock/px30-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 = <&pwm0 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";
};
};
};
&display_subsystem {
status = "okay";
};
&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>;
};
};
};
};
&dsi_dphy {
status = "okay";
};
&dsi_out {
mipi_out_panel: endpoint {
remote-endpoint = <&mipi_in_panel>;
};
};
&i2c1 {
#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 = <&gpio0>;
interrupts = <RK_PA0 IRQ_TYPE_LEVEL_LOW>;
irq-gpios = <&gpio0 RK_PA0 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 = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
};
};
&pinctrl {
pca9670 {
pca9670_resetn: pca9670-resetn {
rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
touch {
touch_int: touch-int {
rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
&vopb {
status = "okay";
};
&vopb_mmu {
status = "okay";
};
&vopl {
status = "okay";
};
&vopl_mmu {
status = "okay";
};