arch/arm/dts/rk3399-gru-chromebook.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Google Gru-Chromebook shared properties
   4  *
   5  * Copyright 2018 Google, Inc
   6  */
   7
   8 #include "rk3399-gru.dtsi"
   9
  10 / {
  11         pp900_ap: pp900-ap {
  12                 compatible = "regulator-fixed";
  13                 regulator-name = "pp900_ap";
  14
  15                 /* EC turns on w/ pp900_ap_en; always on for AP */
  16                 regulator-always-on;
  17                 regulator-boot-on;
  18                 regulator-min-microvolt = <900000>;
  19                 regulator-max-microvolt = <900000>;
  20
  21                 vin-supply = <&ppvar_sys>;
  22         };
  23
  24         /* EC turns on w/ pp900_usb_en */
  25         pp900_usb: pp900-ap {
  26         };
  27
  28         /* EC turns on w/ pp900_pcie_en */
  29         pp900_pcie: pp900-ap {
  30         };
  31
  32         pp3000: pp3000 {
  33                 compatible = "regulator-fixed";
  34                 regulator-name = "pp3000";
  35                 pinctrl-names = "default";
  36                 pinctrl-0 = <&pp3000_en>;
  37
  38                 enable-active-high;
  39                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  40
  41                 regulator-always-on;
  42                 regulator-boot-on;
  43                 regulator-min-microvolt = <3000000>;
  44                 regulator-max-microvolt = <3000000>;
  45
  46                 vin-supply = <&ppvar_sys>;
  47         };
  48
  49         ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
  50                 compatible = "pwm-regulator";
  51                 regulator-name = "ppvar_centerlogic_pwm";
  52
  53                 pwms = <&pwm3 0 3337 0>;
  54                 pwm-supply = <&ppvar_sys>;
  55                 pwm-dutycycle-range = <100 0>;
  56                 pwm-dutycycle-unit = <100>;
  57
  58                 /* EC turns on w/ ppvar_centerlogic_en; always on for AP */
  59                 regulator-always-on;
  60                 regulator-boot-on;
  61                 regulator-min-microvolt = <799434>;
  62                 regulator-max-microvolt = <1049925>;
  63         };
  64
  65         ppvar_centerlogic: ppvar-centerlogic {
  66                 compatible = "vctrl-regulator";
  67                 regulator-name = "ppvar_centerlogic";
  68
  69                 regulator-min-microvolt = <799434>;
  70                 regulator-max-microvolt = <1049925>;
  71
  72                 ctrl-supply = <&ppvar_centerlogic_pwm>;
  73                 ctrl-voltage-range = <799434 1049925>;
  74
  75                 regulator-settling-time-up-us = <378>;
  76                 min-slew-down-rate = <225>;
  77                 ovp-threshold-percent = <16>;
  78         };
  79
  80         /* Schematics call this PPVAR even though it's fixed */
  81         ppvar_logic: ppvar-logic {
  82                 compatible = "regulator-fixed";
  83                 regulator-name = "ppvar_logic";
  84
  85                 /* EC turns on w/ ppvar_logic_en; always on for AP */
  86                 regulator-always-on;
  87                 regulator-boot-on;
  88                 regulator-min-microvolt = <900000>;
  89                 regulator-max-microvolt = <900000>;
  90
  91                 vin-supply = <&ppvar_sys>;
  92         };
  93
  94         pp1800_audio: pp1800-audio {
  95                 compatible = "regulator-fixed";
  96                 regulator-name = "pp1800_audio";
  97                 pinctrl-names = "default";
  98                 pinctrl-0 = <&pp1800_audio_en>;
  99
 100                 enable-active-high;
 101                 gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;
 102
 103                 regulator-always-on;
 104                 regulator-boot-on;
 105
 106                 vin-supply = <&pp1800>;
 107         };
 108
 109         /* gpio is shared with pp3300_wifi_bt */
 110         pp1800_pcie: pp1800-pcie {
 111                 compatible = "regulator-fixed";
 112                 regulator-name = "pp1800_pcie";
 113                 pinctrl-names = "default";
 114                 pinctrl-0 = <&wlan_module_pd_l>;
 115
 116                 enable-active-high;
 117                 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
 118
 119                 /*
 120                  * Need to wait 1ms + ramp-up time before we can power on WiFi.
 121                  * This has been approximated as 8ms total.
 122                  */
 123                 regulator-enable-ramp-delay = <8000>;
 124
 125                 vin-supply = <&pp1800>;
 126         };
 127
 128         /* Always on; plain and simple */
 129         pp3000_ap: pp3000_emmc: pp3000 {
 130         };
 131
 132         pp1500_ap_io: pp1500-ap-io {
 133                 compatible = "regulator-fixed";
 134                 regulator-name = "pp1500_ap_io";
 135                 pinctrl-names = "default";
 136                 pinctrl-0 = <&pp1500_en>;
 137
 138                 enable-active-high;
 139                 gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
 140
 141                 regulator-always-on;
 142                 regulator-boot-on;
 143                 regulator-min-microvolt = <1500000>;
 144                 regulator-max-microvolt = <1500000>;
 145
 146                 vin-supply = <&pp1800>;
 147         };
 148
 149         pp3300_disp: pp3300-disp {
 150                 compatible = "regulator-fixed";
 151                 regulator-name = "pp3300_disp";
 152                 pinctrl-names = "default";
 153                 pinctrl-0 = <&pp3300_disp_en>;
 154
 155                 enable-active-high;
 156                 gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
 157
 158                 startup-delay-us = <2000>;
 159                 vin-supply = <&pp3300>;
 160         };
 161
 162         /* EC turns on w/ pp3300_usb_en_l */
 163         pp3300_usb: pp3300 {
 164         };
 165
 166         /* gpio is shared with pp1800_pcie and pinctrl is set there */
 167         pp3300_wifi_bt: pp3300-wifi-bt {
 168                 compatible = "regulator-fixed";
 169                 regulator-name = "pp3300_wifi_bt";
 170
 171                 enable-active-high;
 172                 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
 173
 174                 vin-supply = <&pp3300>;
 175         };
 176
 177         /*
 178          * This is a bit of a hack. The WiFi module should be reset at least
 179          * 1ms after its regulators have ramped up (max rampup time is ~7ms).
 180          * With some stretching of the imagination, we can call the 1.8V
 181          * regulator a supply.
 182          */
 183         wlan_pd_n: wlan-pd-n {
 184                 compatible = "regulator-fixed";
 185                 regulator-name = "wlan_pd_n";
 186                 pinctrl-names = "default";
 187                 pinctrl-0 = <&wlan_module_reset_l>;
 188
 189                 enable-active-high;
 190                 gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
 191
 192                 vin-supply = <&pp1800_pcie>;
 193         };
 194
 195         backlight: backlight {
 196                 compatible = "pwm-backlight";
 197                 brightness-levels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
 198                                      17 18 19 20 21 22 23 24 25 26 27 28 29 30
 199                                      31 32 33 34 35 36 37 38 39 40 41 42 43 44
 200                                      45 46 47 48 49 50 51 52 53 54 55 56 57 58
 201                                      59 60 61 62 63 64 65 66 67 68 69 70 71 72
 202                                      73 74 75 76 77 78 79 80 81 82 83 84 85 86
 203                                      87 88 89 90 91 92 93 94 95 96 97 98 99 100>;
 204                 default-brightness-level = <51>;
 205                 enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
 206                 power-supply = <&pp3300_disp>;
 207                 pinctrl-names = "default";
 208                 pinctrl-0 = <&bl_en>;
 209                 pwm-delay-us = <10000>;
 210         };
 211 };
 212
 213 &ppvar_bigcpu {
 214         min-slew-down-rate = <225>;
 215         ovp-threshold-percent = <16>;
 216 };
 217
 218 &ppvar_litcpu {
 219         min-slew-down-rate = <225>;
 220         ovp-threshold-percent = <16>;
 221 };
 222
 223 &ppvar_gpu {
 224         min-slew-down-rate = <225>;
 225         ovp-threshold-percent = <16>;
 226 };
 227
 228 &cdn_dp {
 229         extcon = <&usbc_extcon0>, <&usbc_extcon1>;
 230 };
 231
 232 &edp {
 233         status = "okay";
 234
 235         rockchip,panel = <&edp_panel>;
 236         ports {
 237                 edp_out: port@1 {
 238                         reg = <1>;
 239                         #address-cells = <1>;
 240                         #size-cells = <0>;
 241
 242                         edp_out_panel: endpoint@0 {
 243                                 reg = <0>;
 244                                 remote-endpoint = <&panel_in_edp>;
 245                         };
 246                 };
 247         };
 248 };
 249
 250 ap_i2c_mic: &i2c1 {
 251         status = "okay";
 252
 253         clock-frequency = <400000>;
 254
 255         /* These are relatively safe rise/fall times */
 256         i2c-scl-falling-time-ns = <50>;
 257         i2c-scl-rising-time-ns = <300>;
 258
 259         headsetcodec: rt5514@57 {
 260                 compatible = "realtek,rt5514";
 261                 reg = <0x57>;
 262                 realtek,dmic-init-delay-ms = <20>;
 263         };
 264 };
 265
 266 ap_i2c_tp: &i2c5 {
 267         status = "okay";
 268
 269         clock-frequency = <400000>;
 270
 271         /* These are relatively safe rise/fall times */
 272         i2c-scl-falling-time-ns = <50>;
 273         i2c-scl-rising-time-ns = <300>;
 274
 275         /*
 276          * Note strange pullup enable.  Apparently this avoids leakage but
 277          * still allows us to get nice 4.7K pullups for high speed i2c
 278          * transfers.  Basically we want the pullup on whenever the ap is
 279          * alive, so the "en" pin just gets set to output high.
 280          */
 281         pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
 282 };
 283
 284 &cros_ec {
 285         cros_ec_pwm: ec-pwm {
 286                 compatible = "google,cros-ec-pwm";
 287                 #pwm-cells = <1>;
 288         };
 289
 290         usbc_extcon1: extcon@1 {
 291                 compatible = "google,extcon-usbc-cros-ec";
 292                 google,usb-port-id = <1>;
 293
 294                 #extcon-cells = <0>;
 295         };
 296 };
 297
 298 &sound {
 299         rockchip,codec = <&max98357a &headsetcodec
 300                           &codec &wacky_spi_audio &cdn_dp>;
 301 };
 302
 303 &spi2 {
 304         wacky_spi_audio: spi2@0 {
 305                 compatible = "realtek,rt5514";
 306                 reg = <0>;
 307                 interrupt-parent = <&gpio1>;
 308                 interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
 309                 pinctrl-names = "default";
 310                 pinctrl-0 = <&mic_int>;
 311                 /* May run faster once verified. */
 312                 spi-max-frequency = <10000000>;
 313                 wakeup-source;
 314         };
 315 };
 316
 317 &pci_rootport {
 318         mvl_wifi: wifi@0,0 {
 319                 compatible = "pci1b4b,2b42";
 320                 reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
 321                        0x83010000 0x0 0x00100000 0x0 0x00100000>;
 322                 interrupt-parent = <&gpio0>;
 323                 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
 324                 pinctrl-names = "default";
 325                 pinctrl-0 = <&wlan_host_wake_l>;
 326                 wakeup-source;
 327         };
 328 };
 329
 330 &tcphy1 {
 331         status = "okay";
 332         extcon = <&usbc_extcon1>;
 333 };
 334
 335 &u2phy1 {
 336         status = "okay";
 337 };
 338
 339 &usb_host0_ehci {
 340         status = "okay";
 341 };
 342
 343 &usb_host1_ehci {
 344         status = "okay";
 345 };
 346
 347 &usb_host1_ohci {
 348         status = "okay";
 349 };
 350
 351 &usbdrd3_1 {
 352         status = "okay";
 353         extcon = <&usbc_extcon1>;
 354 };
 355
 356 &usbdrd_dwc3_1 {
 357         status = "okay";
 358         dr_mode = "host";
 359 };
 360
 361 &pinctrl {
 362         discrete-regulators {
 363                 pp1500_en: pp1500-en {
 364                         rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO
 365                                          &pcfg_pull_none>;
 366                 };
 367
 368                 pp1800_audio_en: pp1800-audio-en {
 369                         rockchip,pins = <RK_GPIO0 2 RK_FUNC_GPIO
 370                                          &pcfg_pull_down>;
 371                 };
 372
 373                 pp3000_en: pp3000-en {
 374                         rockchip,pins = <RK_GPIO0 12 RK_FUNC_GPIO
 375                                          &pcfg_pull_none>;
 376                 };
 377
 378                 pp3300_disp_en: pp3300-disp-en {
 379                         rockchip,pins = <RK_GPIO4 27 RK_FUNC_GPIO
 380                                          &pcfg_pull_none>;
 381                 };
 382
 383                 wlan_module_pd_l: wlan-module-pd-l {
 384                         rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO
 385                                          &pcfg_pull_down>;
 386                 };
 387         };
 388 };
 389
 390 &wifi {
 391         wifi_perst_l: wifi-perst-l {
 392                 rockchip,pins = <2 27 RK_FUNC_GPIO &pcfg_pull_none>;
 393         };
 394
 395         wlan_host_wake_l: wlan-host-wake-l {
 396                 rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
 397         };
 398 };