1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Google Gru-Kevin Rev 6+ board device tree source 4 * 5 * Copyright 2016-2017 Google, Inc 6 */ 7 8/dts-v1/; 9#include "rk3399-gru-chromebook.dtsi" 10#include <dt-bindings/input/linux-event-codes.h> 11 12/* 13 * Kevin-specific things 14 * 15 * Things in this section should use names from Kevin schematic since no 16 * equivalent exists in Gru schematic. If referring to signals that exist 17 * in Gru we use the Gru names, though. Confusing enough for you? 18 */ 19/ { 20 model = "Google Kevin"; 21 compatible = "google,kevin-rev15", "google,kevin-rev14", 22 "google,kevin-rev13", "google,kevin-rev12", 23 "google,kevin-rev11", "google,kevin-rev10", 24 "google,kevin-rev9", "google,kevin-rev8", 25 "google,kevin-rev7", "google,kevin-rev6", 26 "google,kevin", "google,gru", "rockchip,rk3399"; 27 chassis-type = "convertible"; 28 29 /* Power tree */ 30 31 p3_3v_dig: p3-3v-dig { 32 compatible = "regulator-fixed"; 33 regulator-name = "p3.3v_dig"; 34 pinctrl-names = "default"; 35 pinctrl-0 = <&cpu3_pen_pwr_en>; 36 37 enable-active-high; 38 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>; 39 vin-supply = <&pp3300>; 40 }; 41 42 edp_panel: edp-panel { 43 compatible = "sharp,lq123p1jx31"; 44 backlight = <&backlight>; 45 power-supply = <&pp3300_disp>; 46 47 panel-timing { 48 clock-frequency = <266666667>; 49 hactive = <2400>; 50 hfront-porch = <48>; 51 hback-porch = <84>; 52 hsync-len = <32>; 53 hsync-active = <0>; 54 vactive = <1600>; 55 vfront-porch = <3>; 56 vback-porch = <120>; 57 vsync-len = <10>; 58 vsync-active = <0>; 59 }; 60 61 port { 62 panel_in_edp: endpoint { 63 remote-endpoint = <&edp_out_panel>; 64 }; 65 }; 66 }; 67 68 thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu { 69 compatible = "murata,ncp15wb473"; 70 pullup-uv = <1800000>; 71 pullup-ohm = <25500>; 72 pulldown-ohm = <0>; 73 io-channels = <&saradc 2>; 74 #thermal-sensor-cells = <0>; 75 }; 76 77 thermistor_ppvar_litcpu: thermistor-ppvar-litcpu { 78 compatible = "murata,ncp15wb473"; 79 pullup-uv = <1800000>; 80 pullup-ohm = <25500>; 81 pulldown-ohm = <0>; 82 io-channels = <&saradc 3>; 83 #thermal-sensor-cells = <0>; 84 }; 85}; 86 87&backlight { 88 pwms = <&cros_ec_pwm 1>; 89}; 90 91&gpio_keys { 92 pinctrl-names = "default"; 93 pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>; 94 95 pen-insert { 96 label = "Pen Insert"; 97 /* Insert = low, eject = high */ 98 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; 99 linux,code = <SW_PEN_INSERTED>; 100 linux,input-type = <EV_SW>; 101 wakeup-source; 102 }; 103}; 104 105&thermal_zones { 106 bigcpu_reg_thermal: bigcpu-reg-thermal { 107 polling-delay-passive = <100>; /* milliseconds */ 108 polling-delay = <1000>; /* milliseconds */ 109 thermal-sensors = <&thermistor_ppvar_bigcpu 0>; 110 sustainable-power = <4000>; 111 112 ppvar_bigcpu_trips: trips { 113 ppvar_bigcpu_on: ppvar-bigcpu-on { 114 temperature = <40000>; /* millicelsius */ 115 hysteresis = <2000>; /* millicelsius */ 116 type = "passive"; 117 }; 118 119 ppvar_bigcpu_alert: ppvar-bigcpu-alert { 120 temperature = <50000>; /* millicelsius */ 121 hysteresis = <2000>; /* millicelsius */ 122 type = "passive"; 123 }; 124 125 ppvar_bigcpu_crit: ppvar-bigcpu-crit { 126 temperature = <90000>; /* millicelsius */ 127 hysteresis = <0>; /* millicelsius */ 128 type = "critical"; 129 }; 130 }; 131 132 cooling-maps { 133 map0 { 134 trip = <&ppvar_bigcpu_alert>; 135 cooling-device = 136 <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 137 <&cpu_l1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 138 <&cpu_l2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 139 <&cpu_l3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; 140 contribution = <4096>; 141 }; 142 map1 { 143 trip = <&ppvar_bigcpu_alert>; 144 cooling-device = 145 <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 146 <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; 147 contribution = <1024>; 148 }; 149 }; 150 }; 151 152 litcpu_reg_thermal: litcpu-reg-thermal { 153 polling-delay-passive = <100>; /* milliseconds */ 154 polling-delay = <1000>; /* milliseconds */ 155 thermal-sensors = <&thermistor_ppvar_litcpu 0>; 156 sustainable-power = <4000>; 157 158 ppvar_litcpu_trips: trips { 159 ppvar_litcpu_on: ppvar-litcpu-on { 160 temperature = <40000>; /* millicelsius */ 161 hysteresis = <2000>; /* millicelsius */ 162 type = "passive"; 163 }; 164 165 ppvar_litcpu_alert: ppvar-litcpu-alert { 166 temperature = <50000>; /* millicelsius */ 167 hysteresis = <2000>; /* millicelsius */ 168 type = "passive"; 169 }; 170 171 ppvar_litcpu_crit: ppvar-litcpu-crit { 172 temperature = <90000>; /* millicelsius */ 173 hysteresis = <0>; /* millicelsius */ 174 type = "critical"; 175 }; 176 }; 177 }; 178}; 179 180ap_i2c_tpm: &i2c0 { 181 status = "okay"; 182 183 clock-frequency = <400000>; 184 185 /* These are relatively safe rise/fall times. */ 186 i2c-scl-falling-time-ns = <50>; 187 i2c-scl-rising-time-ns = <300>; 188 189 tpm: tpm@20 { 190 compatible = "infineon,slb9645tt"; 191 reg = <0x20>; 192 powered-while-suspended; 193 }; 194}; 195 196ap_i2c_dig: &i2c2 { 197 status = "okay"; 198 199 clock-frequency = <400000>; 200 201 /* These are relatively safe rise/fall times. */ 202 i2c-scl-falling-time-ns = <50>; 203 i2c-scl-rising-time-ns = <300>; 204 205 digitizer: digitizer@9 { 206 /* wacom,w9013 */ 207 compatible = "hid-over-i2c"; 208 reg = <0x9>; 209 pinctrl-names = "default"; 210 pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>; 211 212 vdd-supply = <&p3_3v_dig>; 213 post-power-on-delay-ms = <100>; 214 215 interrupt-parent = <&gpio2>; 216 interrupts = <4 IRQ_TYPE_LEVEL_LOW>; 217 218 hid-descr-addr = <0x1>; 219 }; 220}; 221 222/* Adjustments to things in the gru baseboard */ 223 224&ap_i2c_tp { 225 trackpad@4a { 226 compatible = "atmel,maxtouch"; 227 reg = <0x4a>; 228 pinctrl-names = "default"; 229 pinctrl-0 = <&trackpad_int_l>; 230 interrupt-parent = <&gpio1>; 231 interrupts = <4 IRQ_TYPE_LEVEL_LOW>; 232 linux,gpio-keymap = <KEY_RESERVED 233 KEY_RESERVED 234 KEY_RESERVED 235 BTN_LEFT>; 236 wakeup-source; 237 }; 238}; 239 240&ap_i2c_ts { 241 touchscreen@4b { 242 compatible = "atmel,maxtouch"; 243 reg = <0x4b>; 244 pinctrl-names = "default"; 245 pinctrl-0 = <&touch_int_l>; 246 interrupt-parent = <&gpio3>; 247 interrupts = <13 IRQ_TYPE_LEVEL_LOW>; 248 }; 249}; 250 251&ppvar_bigcpu_pwm { 252 regulator-min-microvolt = <798674>; 253 regulator-max-microvolt = <1302172>; 254}; 255 256&ppvar_bigcpu { 257 regulator-min-microvolt = <798674>; 258 regulator-max-microvolt = <1302172>; 259 ctrl-voltage-range = <798674 1302172>; 260}; 261 262&ppvar_litcpu_pwm { 263 regulator-min-microvolt = <799065>; 264 regulator-max-microvolt = <1303738>; 265}; 266 267&ppvar_litcpu { 268 regulator-min-microvolt = <799065>; 269 regulator-max-microvolt = <1303738>; 270 ctrl-voltage-range = <799065 1303738>; 271}; 272 273&ppvar_gpu_pwm { 274 regulator-min-microvolt = <785782>; 275 regulator-max-microvolt = <1217729>; 276}; 277 278&ppvar_gpu { 279 regulator-min-microvolt = <785782>; 280 regulator-max-microvolt = <1217729>; 281 ctrl-voltage-range = <785782 1217729>; 282}; 283 284&ppvar_centerlogic_pwm { 285 regulator-min-microvolt = <800069>; 286 regulator-max-microvolt = <1049692>; 287}; 288 289&ppvar_centerlogic { 290 regulator-min-microvolt = <800069>; 291 regulator-max-microvolt = <1049692>; 292 ctrl-voltage-range = <800069 1049692>; 293}; 294 295&saradc { 296 status = "okay"; 297 vref-supply = <&pp1800_ap_io>; 298}; 299 300&mvl_wifi { 301 marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */ 302}; 303 304&pinctrl { 305 digitizer { 306 /* Has external pullup */ 307 cpu1_dig_irq_l: cpu1-dig-irq-l { 308 rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; 309 }; 310 311 /* Has external pullup */ 312 cpu1_dig_pdct_l: cpu1-dig-pdct-l { 313 rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; 314 }; 315 }; 316 317 discrete-regulators { 318 cpu3_pen_pwr_en: cpu3-pen-pwr-en { 319 rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>; 320 }; 321 }; 322 323 pen { 324 cpu1_pen_eject: cpu1-pen-eject { 325 rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>; 326 }; 327 }; 328}; 329