arch/arm/dts/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", "simple-panel";
  43                 backlight = <&backlight>;
  44                 power-supply = <&pp3300_disp>;
  45
  46                 ports {
  47                         panel_in_edp: endpoint {
  48                                 remote-endpoint = <&edp_out_panel>;
  49                         };
  50                 };
  51         };
  52
  53         thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
  54                 compatible = "murata,ncp15wb473";
  55                 pullup-uv = <1800000>;
  56                 pullup-ohm = <25500>;
  57                 pulldown-ohm = <0>;
  58                 io-channels = <&saradc 2>;
  59                 #thermal-sensor-cells = <0>;
  60         };
  61
  62         thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
  63                 compatible = "murata,ncp15wb473";
  64                 pullup-uv = <1800000>;
  65                 pullup-ohm = <25500>;
  66                 pulldown-ohm = <0>;
  67                 io-channels = <&saradc 3>;
  68                 #thermal-sensor-cells = <0>;
  69         };
  70 };
  71
  72 &backlight {
  73         pwms = <&cros_ec_pwm 1>;
  74 };
  75
  76 &gpio_keys {
  77         pinctrl-names = "default";
  78         pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
  79
  80         pen-insert {
  81                 label = "Pen Insert";
  82                 /* Insert = low, eject = high */
  83                 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  84                 linux,code = <SW_PEN_INSERTED>;
  85                 linux,input-type = <EV_SW>;
  86                 wakeup-source;
  87         };
  88 };
  89
  90 &thermal_zones {
  91         bigcpu_reg_thermal: bigcpu-reg-thermal {
  92                 polling-delay-passive = <100>; /* milliseconds */
  93                 polling-delay = <1000>; /* milliseconds */
  94                 thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
  95                 sustainable-power = <4000>;
  96
  97                 ppvar_bigcpu_trips: trips {
  98                         ppvar_bigcpu_on: ppvar-bigcpu-on {
  99                                 temperature = <40000>;  /* millicelsius */
 100                                 hysteresis = <2000>;    /* millicelsius */
 101                                 type = "passive";
 102                         };
 103
 104                         ppvar_bigcpu_alert: ppvar-bigcpu-alert {
 105                                 temperature = <50000>;  /* millicelsius */
 106                                 hysteresis = <2000>;    /* millicelsius */
 107                                 type = "passive";
 108                         };
 109
 110                         ppvar_bigcpu_crit: ppvar-bigcpu-crit {
 111                                 temperature = <90000>;  /* millicelsius */
 112                                 hysteresis = <0>;       /* millicelsius */
 113                                 type = "critical";
 114                         };
 115                 };
 116
 117                 cooling-maps {
 118                         map0 {
 119                                 trip = <&ppvar_bigcpu_alert>;
 120                                 cooling-device =
 121                                         <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 122                                 contribution = <4096>;
 123                         };
 124                         map1 {
 125                                 trip = <&ppvar_bigcpu_alert>;
 126                                 cooling-device =
 127                                         <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 128                                 contribution = <1024>;
 129                         };
 130                 };
 131         };
 132
 133         litcpu_reg_thermal: litcpu-reg-thermal {
 134                 polling-delay-passive = <100>; /* milliseconds */
 135                 polling-delay = <1000>; /* milliseconds */
 136                 thermal-sensors = <&thermistor_ppvar_litcpu 0>;
 137                 sustainable-power = <4000>;
 138
 139                 ppvar_litcpu_trips: trips {
 140                         ppvar_litcpu_on: ppvar-litcpu-on {
 141                                 temperature = <40000>;  /* millicelsius */
 142                                 hysteresis = <2000>;    /* millicelsius */
 143                                 type = "passive";
 144                         };
 145
 146                         ppvar_litcpu_alert: ppvar-litcpu-alert {
 147                                 temperature = <50000>;  /* millicelsius */
 148                                 hysteresis = <2000>;    /* millicelsius */
 149                                 type = "passive";
 150                         };
 151
 152                         ppvar_litcpu_crit: ppvar-litcpu-crit {
 153                                 temperature = <90000>;  /* millicelsius */
 154                                 hysteresis = <0>;       /* millicelsius */
 155                                 type = "critical";
 156                         };
 157                 };
 158         };
 159 };
 160
 161 ap_i2c_tpm: &i2c0 {
 162         status = "okay";
 163
 164         clock-frequency = <400000>;
 165
 166         /* These are relatively safe rise/fall times. */
 167         i2c-scl-falling-time-ns = <50>;
 168         i2c-scl-rising-time-ns = <300>;
 169
 170         tpm: tpm@20 {
 171                 compatible = "infineon,slb9645tt";
 172                 reg = <0x20>;
 173                 powered-while-suspended;
 174         };
 175 };
 176
 177 ap_i2c_dig: &i2c2 {
 178         status = "okay";
 179
 180         clock-frequency = <400000>;
 181
 182         /* These are relatively safe rise/fall times. */
 183         i2c-scl-falling-time-ns = <50>;
 184         i2c-scl-rising-time-ns = <300>;
 185
 186         digitizer: digitizer@9 {
 187                 /* wacom,w9013 */
 188                 compatible = "hid-over-i2c";
 189                 reg = <0x9>;
 190                 pinctrl-names = "default";
 191                 pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
 192
 193                 vdd-supply = <&p3_3v_dig>;
 194                 post-power-on-delay-ms = <100>;
 195
 196                 interrupt-parent = <&gpio2>;
 197                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 198
 199                 hid-descr-addr = <0x1>;
 200         };
 201 };
 202
 203 /* Adjustments to things in the gru baseboard */
 204
 205 &ap_i2c_tp {
 206         trackpad@4a {
 207                 compatible = "atmel,maxtouch";
 208                 reg = <0x4a>;
 209                 pinctrl-names = "default";
 210                 pinctrl-0 = <&trackpad_int_l>;
 211                 interrupt-parent = <&gpio1>;
 212                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 213                 linux,gpio-keymap = <KEY_RESERVED
 214                                      KEY_RESERVED
 215                                      KEY_RESERVED
 216                                      BTN_LEFT>;
 217                 wakeup-source;
 218         };
 219 };
 220
 221 &ap_i2c_ts {
 222         touchscreen@4b {
 223                 compatible = "atmel,maxtouch";
 224                 reg = <0x4b>;
 225                 pinctrl-names = "default";
 226                 pinctrl-0 = <&touch_int_l>;
 227                 interrupt-parent = <&gpio3>;
 228                 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
 229         };
 230 };
 231
 232 &ppvar_bigcpu_pwm {
 233         regulator-min-microvolt = <798674>;
 234         regulator-max-microvolt = <1302172>;
 235 };
 236
 237 &ppvar_bigcpu {
 238         regulator-min-microvolt = <798674>;
 239         regulator-max-microvolt = <1302172>;
 240         ctrl-voltage-range = <798674 1302172>;
 241 };
 242
 243 &ppvar_litcpu_pwm {
 244         regulator-min-microvolt = <799065>;
 245         regulator-max-microvolt = <1303738>;
 246 };
 247
 248 &ppvar_litcpu {
 249         regulator-min-microvolt = <799065>;
 250         regulator-max-microvolt = <1303738>;
 251         ctrl-voltage-range = <799065 1303738>;
 252 };
 253
 254 &ppvar_gpu_pwm {
 255         regulator-min-microvolt = <785782>;
 256         regulator-max-microvolt = <1217729>;
 257 };
 258
 259 &ppvar_gpu {
 260         regulator-min-microvolt = <785782>;
 261         regulator-max-microvolt = <1217729>;
 262         ctrl-voltage-range = <785782 1217729>;
 263 };
 264
 265 &ppvar_centerlogic_pwm {
 266         regulator-min-microvolt = <800069>;
 267         regulator-max-microvolt = <1049692>;
 268 };
 269
 270 &ppvar_centerlogic {
 271         regulator-min-microvolt = <800069>;
 272         regulator-max-microvolt = <1049692>;
 273         ctrl-voltage-range = <800069 1049692>;
 274 };
 275
 276 &saradc {
 277         status = "okay";
 278         vref-supply = <&pp1800_ap_io>;
 279 };
 280
 281 &mvl_wifi {
 282         marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
 283 };
 284
 285 &pinctrl {
 286         digitizer {
 287                 /* Has external pullup */
 288                 cpu1_dig_irq_l: cpu1-dig-irq-l {
 289                         rockchip,pins = <2 4 RK_FUNC_GPIO &pcfg_pull_none>;
 290                 };
 291
 292                 /* Has external pullup */
 293                 cpu1_dig_pdct_l: cpu1-dig-pdct-l {
 294                         rockchip,pins = <2 5 RK_FUNC_GPIO &pcfg_pull_none>;
 295                 };
 296         };
 297
 298         discrete-regulators {
 299                 cpu3_pen_pwr_en: cpu3-pen-pwr-en {
 300                         rockchip,pins = <4 30 RK_FUNC_GPIO &pcfg_pull_none>;
 301                 };
 302         };
 303
 304         pen {
 305                 cpu1_pen_eject: cpu1-pen-eject {
 306                         rockchip,pins = <0 13 RK_FUNC_GPIO &pcfg_pull_up>;
 307                 };
 308         };
 309 };