1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2025 Cherry Embedded Solutions GmbH 4 * 5 * DEVKIT ADDON CAM-TS-A01 6 * https://embedded.cherry.de/product/development-kit/ 7 * 8 * DT-overlay for the camera / DSI demo appliance for Haikou boards. 9 * In the flavour for use with a Puma system-on-module. 10 */ 11 12/dts-v1/; 13/plugin/; 14 15#include <dt-bindings/clock/rk3399-cru.h> 16#include <dt-bindings/gpio/gpio.h> 17#include <dt-bindings/interrupt-controller/irq.h> 18#include <dt-bindings/leds/common.h> 19#include <dt-bindings/pinctrl/rockchip.h> 20 21&{/} { 22 backlight: backlight { 23 compatible = "pwm-backlight"; 24 power-supply = <&dc_12v>; 25 pwms = <&pwm0 0 25000 0>; 26 }; 27 28 cam_afvdd_2v8: regulator-cam-afvdd-2v8 { 29 compatible = "regulator-fixed"; 30 gpio = <&pca9670 2 GPIO_ACTIVE_LOW>; 31 regulator-max-microvolt = <2800000>; 32 regulator-min-microvolt = <2800000>; 33 regulator-name = "cam-afvdd-2v8"; 34 vin-supply = <&vcc2v8_video>; 35 }; 36 37 cam_avdd_2v8: regulator-cam-avdd-2v8 { 38 compatible = "regulator-fixed"; 39 gpio = <&pca9670 4 GPIO_ACTIVE_LOW>; 40 regulator-max-microvolt = <2800000>; 41 regulator-min-microvolt = <2800000>; 42 regulator-name = "cam-avdd-2v8"; 43 vin-supply = <&vcc2v8_video>; 44 }; 45 46 cam_dovdd_1v8: regulator-cam-dovdd-1v8 { 47 compatible = "regulator-fixed"; 48 gpio = <&pca9670 3 GPIO_ACTIVE_LOW>; 49 regulator-max-microvolt = <1800000>; 50 regulator-min-microvolt = <1800000>; 51 regulator-name = "cam-dovdd-1v8"; 52 vin-supply = <&vcc1v8_video>; 53 }; 54 55 cam_dvdd_1v2: regulator-cam-dvdd-1v2 { 56 compatible = "regulator-fixed"; 57 enable-active-high; 58 gpio = <&pca9670 5 GPIO_ACTIVE_HIGH>; 59 regulator-max-microvolt = <1200000>; 60 regulator-min-microvolt = <1200000>; 61 regulator-name = "cam-dvdd-1v2"; 62 vin-supply = <&vcc3v3_baseboard>; 63 }; 64 65 vcc1v8_video: regulator-vcc1v8-video { 66 compatible = "regulator-fixed"; 67 regulator-always-on; 68 regulator-boot-on; 69 regulator-max-microvolt = <1800000>; 70 regulator-min-microvolt = <1800000>; 71 regulator-name = "vcc1v8-video"; 72 vin-supply = <&vcc3v3_baseboard>; 73 }; 74 75 vcc2v8_video: regulator-vcc2v8-video { 76 compatible = "regulator-fixed"; 77 regulator-always-on; 78 regulator-boot-on; 79 regulator-max-microvolt = <2800000>; 80 regulator-min-microvolt = <2800000>; 81 regulator-name = "vcc2v8-video"; 82 vin-supply = <&vcc3v3_baseboard>; 83 }; 84 85 video-adapter-leds { 86 compatible = "gpio-leds"; 87 88 video-adapter-led { 89 color = <LED_COLOR_ID_BLUE>; 90 gpios = <&pca9670 7 GPIO_ACTIVE_HIGH>; 91 label = "video-adapter-led"; 92 linux,default-trigger = "none"; 93 }; 94 }; 95}; 96 97&i2c1 { 98 #address-cells = <1>; 99 #size-cells = <0>; 100 /* OV5675, GT911, DW9714 are limited to 400KHz */ 101 clock-frequency = <400000>; 102 103 touchscreen@14 { 104 compatible = "goodix,gt911"; 105 reg = <0x14>; 106 interrupt-parent = <&gpio1>; 107 interrupts = <RK_PC7 IRQ_TYPE_LEVEL_LOW>; 108 irq-gpios = <&gpio1 RK_PC7 GPIO_ACTIVE_HIGH>; 109 pinctrl-0 = <&touch_int>; 110 pinctrl-names = "default"; 111 reset-gpios = <&pca9670 1 GPIO_ACTIVE_HIGH>; 112 AVDD28-supply = <&vcc2v8_video>; 113 VDDIO-supply = <&vcc3v3_baseboard>; 114 }; 115 116 pca9670: gpio@27 { 117 compatible = "nxp,pca9670"; 118 reg = <0x27>; 119 gpio-controller; 120 #gpio-cells = <2>; 121 pinctrl-0 = <&pca9670_resetn>; 122 pinctrl-names = "default"; 123 reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_LOW>; 124 }; 125}; 126 127&mipi_dsi { 128 #address-cells = <1>; 129 #size-cells = <0>; 130 status = "okay"; 131 132 panel@0 { 133 compatible = "leadtek,ltk050h3148w"; 134 reg = <0>; 135 backlight = <&backlight>; 136 iovcc-supply = <&vcc1v8_video>; 137 reset-gpios = <&pca9670 0 GPIO_ACTIVE_LOW>; 138 vci-supply = <&vcc2v8_video>; 139 140 port { 141 mipi_in_panel: endpoint { 142 remote-endpoint = <&mipi_out_panel>; 143 }; 144 }; 145 }; 146}; 147 148&mipi_out { 149 mipi_out_panel: endpoint { 150 remote-endpoint = <&mipi_in_panel>; 151 }; 152}; 153 154&pinctrl { 155 pca9670 { 156 pca9670_resetn: pca9670-resetn { 157 rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>; 158 }; 159 }; 160 161 touch { 162 touch_int: touch-int { 163 rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>; 164 }; 165 }; 166}; 167