arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts

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