// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2022 Rockchip Electronics Co., Ltd.
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*/
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#include <dt-bindings/display/media-bus-format.h>
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/ {
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backlight: backlight {
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status = "okay";
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compatible = "pwm-backlight";
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pwms = <&pwm3 0 25000 0>;
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brightness-levels = <
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0 1 2 3 4 5 6 7
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8 9 10 11 12 13 14 15
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16 17 18 19 20 21 22 23
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24 25 26 27 28 29 30 31
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32 33 34 35 36 37 38 39
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40 41 42 43 44 45 46 47
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48 49 50 51 52 53 54 55
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56 57 58 59 60 61 62 63
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64 65 66 67 68 69 70 71
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72 73 74 75 76 77 78 79
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80 81 82 83 84 85 86 87
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88 89 90 91 92 93 94 95
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96 97 98 99 100 101 102 103
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104 105 106 107 108 109 110 111
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112 113 114 115 116 117 118 119
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120 121 122 123 124 125 126 127
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128 129 130 131 132 133 134 135
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136 137 138 139 140 141 142 143
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144 145 146 147 148 149 150 151
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152 153 154 155 156 157 158 159
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160 161 162 163 164 165 166 167
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168 169 170 171 172 173 174 175
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176 177 178 179 180 181 182 183
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184 185 186 187 188 189 190 191
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192 193 194 195 196 197 198 199
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200 201 202 203 204 205 206 207
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208 209 210 211 212 213 214 215
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216 217 218 219 220 221 222 223
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224 225 226 227 228 229 230 231
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232 233 234 235 236 237 238 239
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240 241 242 243 244 245 246 247
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248 249 250 251 252 253 254 255>;
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default-brightness-level = <200>;
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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linux,cma {
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compatible = "shared-dma-pool";
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inactive;
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reusable;
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size = <0x1000000>;
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linux,cma-default;
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};
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drm_logo: drm-logo@00000000 {
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compatible = "rockchip,drm-logo";
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reg = <0x0 0x0>;
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};
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};
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};
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&display_subsystem {
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status = "okay";
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logo-memory-region = <&drm_logo>;
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};
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&pwm3 {
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status = "okay";
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pinctrl-names = "active";
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pinctrl-0 = <&pwm3m1_pins>;
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};
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&rgb {
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status = "okay";
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rockchip,data-sync-bypass;
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pinctrl-names = "default";
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/*
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* rgb3x8_pins for RGB3x8(8bit)
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* rgb565_pins for RGB565(16bit)
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*/
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pinctrl-0 = <&rgb565_pins>;
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/*
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* 320x480 RGB/MCU screen K350C4516T
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*/
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mcu_panel: mcu-panel {
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/*
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* MEDIA_BUS_FMT_RGB888_3X8 for RGB3x8(8bit)
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* MEDIA_BUS_FMT_RGB565_1X16 for RGB565(16bit)
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*/
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bus-format = <MEDIA_BUS_FMT_RGB565_1X16>;
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backlight = <&backlight>;
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enable-gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_LOW>;
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enable-delay-ms = <20>;
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reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
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reset-delay-ms = <10>;
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prepare-delay-ms = <20>;
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unprepare-delay-ms = <20>;
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disable-delay-ms = <20>;
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init-delay-ms = <10>;
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width-mm = <217>;
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height-mm = <136>;
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// type:0 is cmd, 1 is data
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panel-init-sequence = [
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//type delay num val1 val2 val3
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00 00 01 e0
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01 00 01 00
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01 00 01 07
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01 00 01 0f
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01 00 01 0d
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01 00 01 1b
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01 00 01 0a
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01 00 01 3c
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01 00 01 78
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01 00 01 4a
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01 00 01 07
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01 00 01 0e
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01 00 01 09
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01 00 01 1b
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01 00 01 1e
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01 00 01 0f
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00 00 01 e1
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01 00 01 00
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01 00 01 22
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01 00 01 24
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01 00 01 06
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01 00 01 12
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01 00 01 07
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01 00 01 36
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01 00 01 47
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01 00 01 47
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01 00 01 06
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01 00 01 0a
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01 00 01 07
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01 00 01 30
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01 00 01 37
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01 00 01 0f
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00 00 01 c0
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01 00 01 10
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01 00 01 10
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00 00 01 c1
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01 00 01 41
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00 00 01 c5
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01 00 01 00
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01 00 01 22
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01 00 01 80
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00 00 01 36
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01 00 01 48
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00 00 01 3a
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01 00 01 55 /*
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* interface pixel format:
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* 66 for RGB3x8(8bit)
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* 55 for RGB565(16bit)
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*/
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00 00 01 b0
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01 00 01 00
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00 00 01 b1
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01 00 01 a0 /*
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* frame rate control:
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* 70 (45hz) for RGB3x8(8bit)
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* a0 (60hz) for RGB565(16bit)
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*/
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01 00 01 11
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00 00 01 b4
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01 00 01 02
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00 00 01 B6
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01 00 01 02 /*
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* display function control:
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* 32 for RGB
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* 02 for MCU
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*/
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01 00 01 02
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00 00 01 b7
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01 00 01 c6
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00 00 01 be
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01 00 01 00
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01 00 01 04
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00 00 01 e9
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01 00 01 00
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00 00 01 f7
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01 00 01 a9
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01 00 01 51
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01 00 01 2c
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01 00 01 82
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00 78 01 11
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00 32 01 29
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00 00 01 2c
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];
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panel-exit-sequence = [
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//type delay num val1 val2 val3
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00 0a 01 28
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00 78 01 10
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];
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display-timings {
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native-mode = <&kd050fwfba002_timing>;
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kd050fwfba002_timing: timing0 {
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/*
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* 7840125 for frame rate 45Hz
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* 10453500 for frame rate 60Hz
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*/
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clock-frequency = <10453500>;
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hactive = <320>;
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vactive = <480>;
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hback-porch = <10>;
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hfront-porch = <5>;
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vback-porch = <10>;
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vfront-porch = <5>;
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hsync-len = <10>;
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vsync-len = <10>;
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hsync-active = <0>;
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vsync-active = <0>;
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de-active = <0>;
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pixelclk-active = <1>;
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};
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};
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port {
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panel_in_rgb: endpoint {
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remote-endpoint = <&rgb_out_panel>;
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};
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};
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};
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ports {
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rgb_out: port@1 {
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reg = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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rgb_out_panel: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&panel_in_rgb>;
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};
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};
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};
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};
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&rgb_in_vop {
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status = "okay";
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};
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&route_rgb {
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status = "disabled";
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};
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/*
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* The pins of sdmmc1 and lcd are multiplexed
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*/
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&sdio {
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status = "disabled";
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};
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&sdio_pwrseq {
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status = "disabled";
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};
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&vop {
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status = "okay";
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/*
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* Default config is as follows:
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*
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* mcu-pix-total = <9>;
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* mcu-cs-pst = <1>;
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* mcu-cs-pend = <8>;
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* mcu-rw-pst = <2>;
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* mcu-rw-pend = <5>;
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* mcu-hold-mode = <0>; // default set to 0
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*
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* To increase the frame rate, reduce all parameters because
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* the max dclk rate of mcu is 150M in rv1103/rv1106.
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*/
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mcu-timing {
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mcu-pix-total = <5>;
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mcu-cs-pst = <1>;
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mcu-cs-pend = <4>;
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mcu-rw-pst = <2>;
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mcu-rw-pend = <3>;
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mcu-hold-mode = <0>; // default set to 0
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};
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};
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