src/arm64/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         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         switch-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
 180 ap_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
 196 ap_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 };