From 83dd86e54f0db0698eee32f3d4725b6bb8147cbe Mon Sep 17 00:00:00 2001 From: Damon Ding Date: Mon, 13 Sep 2021 10:20:37 +0800 Subject: [PATCH] arm64: dts: rockchip: rk3308bs-evb: add support for MCU screen K350C4516T A 320x480 i8080 screen drived by ILI9488. The corresponding dtsi file is rk3308bs-evb-ext-mcu-v10.dtsi. Signed-off-by: Damon Ding Change-Id: I2abcc807c9876bd2982ea8d858aec8733acbc8fa --- .../rockchip/rk3308bs-evb-ext-mcu-v10.dtsi | 240 ++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3308bs-evb-ext-mcu-v10.dtsi diff --git a/arch/arm64/boot/dts/rockchip/rk3308bs-evb-ext-mcu-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3308bs-evb-ext-mcu-v10.dtsi new file mode 100644 index 000000000000..990d00a570a2 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3308bs-evb-ext-mcu-v10.dtsi @@ -0,0 +1,240 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2021 Rockchip Electronics Co., Ltd + * + */ + +/ { + backlight: backlight { + status = "okay"; + compatible = "pwm-backlight"; + pwms = <&pwm1 0 25000 0>; + brightness-levels = < + 0 1 2 3 4 5 6 7 + 8 9 10 11 12 13 14 15 + 16 17 18 19 20 21 22 23 + 24 25 26 27 28 29 30 31 + 32 33 34 35 36 37 38 39 + 40 41 42 43 44 45 46 47 + 48 49 50 51 52 53 54 55 + 56 57 58 59 60 61 62 63 + 64 65 66 67 68 69 70 71 + 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 + 88 89 90 91 92 93 94 95 + 96 97 98 99 100 101 102 103 + 104 105 106 107 108 109 110 111 + 112 113 114 115 116 117 118 119 + 120 121 122 123 124 125 126 127 + 128 129 130 131 132 133 134 135 + 136 137 138 139 140 141 142 143 + 144 145 146 147 148 149 150 151 + 152 153 154 155 156 157 158 159 + 160 161 162 163 164 165 166 167 + 168 169 170 171 172 173 174 175 + 176 177 178 179 180 181 182 183 + 184 185 186 187 188 189 190 191 + 192 193 194 195 196 197 198 199 + 200 201 202 203 204 205 206 207 + 208 209 210 211 212 213 214 215 + 216 217 218 219 220 221 222 223 + 224 225 226 227 228 229 230 231 + 232 233 234 235 236 237 238 239 + 240 241 242 243 244 245 246 247 + 248 249 250 251 252 253 254 255>; + default-brightness-level = <200>; + }; + + panel: panel { + compatible = "simple-panel"; + bus-format = ; + backlight = <&backlight>; + enable-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>; + enable-delay-ms = <20>; + reset-gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_LOW>; + reset-value = <0>; + reset-delay-ms = <10>; + prepare-delay-ms = <20>; + unprepare-delay-ms = <20>; + disable-delay-ms = <20>; + width-mm = <217>; + height-mm = <136>; + status = "okay"; + rockchip,cmd-type = "mcu"; + + // type:0 is cmd, 1 is data + panel-init-sequence = [ + //type delay num val1 val2 val3 + 00 00 01 e0 + 01 00 01 00 + 01 00 01 07 + 01 00 01 0f + 01 00 01 0d + 01 00 01 1b + 01 00 01 0a + 01 00 01 3c + 01 00 01 78 + 01 00 01 4a + 01 00 01 07 + 01 00 01 0e + 01 00 01 09 + 01 00 01 1b + 01 00 01 1e + 01 00 01 0f + 00 00 01 e1 + 01 00 01 00 + 01 00 01 22 + 01 00 01 24 + 01 00 01 06 + 01 00 01 12 + 01 00 01 07 + 01 00 01 36 + 01 00 01 47 + 01 00 01 47 + 01 00 01 06 + 01 00 01 0a + 01 00 01 07 + 01 00 01 30 + 01 00 01 37 + 01 00 01 0f + + 00 00 01 c0 + 01 00 01 10 + 01 00 01 10 + + 00 00 01 c1 + 01 00 01 41 + + 00 00 01 c5 + 01 00 01 00 + 01 00 01 22 + 01 00 01 80 + + 00 00 01 36 + 01 00 01 48 + + 00 00 01 3a //interface mode control + 01 00 01 55 //spi rgb:66(r1 r4 r5), mcu: 55(r2, r3 r6) + + 00 00 01 b0 //interface mode control + 01 00 01 00 + + 00 00 01 b1 //frame rate 70hz + 01 00 01 b0 + 01 00 01 11 + 00 00 01 b4 + 01 00 01 02 + 00 00 01 B6 //RGB/MCU Interface Control + 01 00 01 02 //02 mcu, 32 rgb + 01 00 01 02 + + 00 00 01 b7 + 01 00 01 c6 + + 00 00 01 be + 01 00 01 00 + 01 00 01 04 + + 00 00 01 e9 + 01 00 01 00 + + 00 00 01 f7 + 01 00 01 a9 + 01 00 01 51 + 01 00 01 2c + 01 00 01 82 + + 00 78 01 11 + 00 32 01 29 + 00 00 01 2c + ]; + + panel-exit-sequence = [ + //type delay num val1 val2 val3 + 00 0a 01 28 + 00 78 01 10 + ]; + + display-timings { + native-mode = <&kd050fwfba002_timing>; + + kd050fwfba002_timing: timing0 { + clock-frequency = <20000000>; + hactive = <320>; + vactive = <480>; + hback-porch = <10>; + hfront-porch = <5>; + vback-porch = <10>; + vfront-porch = <5>; + hsync-len = <10>; + vsync-len = <10>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <0>; + pixelclk-active = <0>; + }; + }; + + port { + panel_in_rgb: endpoint { + remote-endpoint = <&rgb_out_panel>; + }; + }; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + cma { + compatible = "shared-dma-pool"; + reusable; + size = <0x0 0x800000>; + linux,cma-default; + }; + }; +}; + +&display_subsystem { + status = "okay"; +}; + +&route_rgb { + status = "okay"; +}; + +&pwm1 { + status = "okay"; +}; + +&rgb { + status = "okay"; + + ports { + rgb_out: port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + rgb_out_panel: endpoint@0 { + reg = <0>; + remote-endpoint = <&panel_in_rgb>; + }; + }; + }; +}; + +&vop { + status = "okay"; + + mcu-timing { + mcu-pix-total = <9>; + mcu-cs-pst = <1>; + mcu-cs-pend = <8>; + mcu-rw-pst = <2>; + mcu-rw-pend = <5>; + + mcu-hold-mode = <0>; // default set to 0 + }; +};