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| 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 Lion system-on-module. |
| 10 | + */ |
| 11 | + |
| 12 | +/dts-v1/; |
| 13 | +/plugin/; |
| 14 | + |
| 15 | +#include <dt-bindings/clock/rk3368-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 = <&pwm1 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 | +&dphy { |
| 98 | + status = "okay"; |
| 99 | +}; |
| 100 | + |
| 101 | +&i2c_gp2 { |
| 102 | + #address-cells = <1>; |
| 103 | + #size-cells = <0>; |
| 104 | + /* OV5675, GT911, DW9714 are limited to 400KHz */ |
| 105 | + clock-frequency = <400000>; |
| 106 | + |
| 107 | + touchscreen@14 { |
| 108 | + compatible = "goodix,gt911"; |
| 109 | + reg = <0x14>; |
| 110 | + interrupt-parent = <&gpio1>; |
| 111 | + interrupts = <RK_PB5 IRQ_TYPE_LEVEL_LOW>; |
| 112 | + irq-gpios = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>; |
| 113 | + pinctrl-0 = <&touch_int>; |
| 114 | + pinctrl-names = "default"; |
| 115 | + reset-gpios = <&pca9670 1 GPIO_ACTIVE_HIGH>; |
| 116 | + AVDD28-supply = <&vcc2v8_video>; |
| 117 | + VDDIO-supply = <&vcc3v3_baseboard>; |
| 118 | + }; |
| 119 | + |
| 120 | + pca9670: gpio@27 { |
| 121 | + compatible = "nxp,pca9670"; |
| 122 | + reg = <0x27>; |
| 123 | + gpio-controller; |
| 124 | + #gpio-cells = <2>; |
| 125 | + pinctrl-0 = <&pca9670_resetn>; |
| 126 | + pinctrl-names = "default"; |
| 127 | + reset-gpios = <&gpio1 RK_PA5 GPIO_ACTIVE_LOW>; |
| 128 | + }; |
| 129 | +}; |
| 130 | + |
| 131 | +&mipi_dsi { |
| 132 | + #address-cells = <1>; |
| 133 | + #size-cells = <0>; |
| 134 | + status = "okay"; |
| 135 | + |
| 136 | + panel@0 { |
| 137 | + compatible = "leadtek,ltk050h3148w"; |
| 138 | + reg = <0>; |
| 139 | + backlight = <&backlight>; |
| 140 | + iovcc-supply = <&vcc1v8_video>; |
| 141 | + reset-gpios = <&pca9670 0 GPIO_ACTIVE_LOW>; |
| 142 | + vci-supply = <&vcc2v8_video>; |
| 143 | + |
| 144 | + port { |
| 145 | + mipi_in_panel: endpoint { |
| 146 | + remote-endpoint = <&mipi_out_panel>; |
| 147 | + }; |
| 148 | + }; |
| 149 | + }; |
| 150 | +}; |
| 151 | + |
| 152 | +&mipi_out { |
| 153 | + mipi_out_panel: endpoint { |
| 154 | + remote-endpoint = <&mipi_in_panel>; |
| 155 | + }; |
| 156 | +}; |
| 157 | + |
| 158 | +&pinctrl { |
| 159 | + pca9670 { |
| 160 | + pca9670_resetn: pca9670-resetn { |
| 161 | + rockchip,pins = <1 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; |
| 162 | + }; |
| 163 | + }; |
| 164 | + |
| 165 | + touch { |
| 166 | + touch_int: touch-int { |
| 167 | + rockchip,pins = <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; |
| 168 | + }; |
| 169 | + }; |
| 170 | +}; |
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