ARM: dts: rockchip: add veyron-tiger board

Also known as the AOpen Chromebase Mini.

tiger and fievel are share the same board, tiger has a display and
touchscreen, fievel not. Use the fievel .dts as base and add the
extra bits.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/Makefile

@@ -927,6 +927,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-veyron-minnie.dtb \
 	rk3288-veyron-pinky.dtb \
 	rk3288-veyron-speedy.dtb \
+	rk3288-veyron-tiger.dtb \
 	rk3288-vyasa.dtb
 dtb-$(CONFIG_ARCH_S3C24XX) += \
 	s3c2416-smdk2416.dtb

arch/arm/boot/dts/rk3288-veyron-tiger.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Google Veyron Tiger Rev 0+ board device tree source
+ *
+ * Copyright 2016 Google, Inc
+ */
+
+/dts-v1/;
+#include "rk3288-veyron-fievel.dts"
+#include "rk3288-veyron-edp.dtsi"
+
+/ {
+	model = "Google Tiger";
+	compatible = "google,veyron-tiger-rev8", "google,veyron-tiger-rev7",
+		     "google,veyron-tiger-rev6", "google,veyron-tiger-rev5",
+		     "google,veyron-tiger-rev4", "google,veyron-tiger-rev3",
+		     "google,veyron-tiger-rev2", "google,veyron-tiger-rev1",
+		     "google,veyron-tiger-rev0", "google,veyron-tiger",
+		     "google,veyron", "rockchip,rk3288";
+
+	/delete-node/ vcc18-lcd;
+
+	vccsys: vccsys {
+		compatible = "regulator-fixed";
+		regulator-name = "vccsys";
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&backlight {
+	/* Tiger panel PWM must be >= 1%, so start non-zero brightness at 3 */
+	brightness-levels = <
+		  0   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>;
+};
+
+&backlight_regulator {
+	vin-supply = <&vccsys>;
+};
+
+&i2c3 {
+	status = "okay";
+
+	clock-frequency = <400000>;
+	i2c-scl-falling-time-ns = <50>;
+	i2c-scl-rising-time-ns = <300>;
+
+	touchscreen@10 {
+		compatible = "elan,ekth3500";
+		reg = <0x10>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <RK_PB6 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_int &touch_rst>;
+		reset-gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_LOW>;
+		vcc33-supply = <&vcc33_io>;
+		vccio-supply = <&vcc33_io>;
+		wakeup-source;
+	};
+};
+
+&panel {
+	compatible = "auo,b101ean01", "simple-panel";
+
+	/delete-node/ panel-timing;
+
+	panel-timing {
+		clock-frequency = <66666667>;
+		hactive = <1280>;
+		hfront-porch = <18>;
+		hback-porch = <21>;
+		hsync-len = <32>;
+		vactive = <800>;
+		vfront-porch = <4>;
+		vback-porch = <8>;
+		vsync-len = <18>;
+	};
+};
+
+&pinctrl {
+	lcd {
+		/delete-node/ avdd-1v8-disp-en;
+	};
+
+	touchscreen {
+		touch_int: touch-int {
+			rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		touch_rst: touch-rst {
+			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};