arch/arm64/boot/dts/rockchip/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         ports {
 236                 edp_out: port@1 {
 237                         reg = <1>;
 238                         #address-cells = <1>;
 239                         #size-cells = <0>;
 240
 241                         edp_out_panel: endpoint@0 {
 242                                 reg = <0>;
 243                                 remote-endpoint = <&panel_in_edp>;
 244                         };
 245                 };
 246         };
 247 };
 248
 249 ap_i2c_mic: &i2c1 {
 250         status = "okay";
 251
 252         clock-frequency = <400000>;
 253
 254         /* These are relatively safe rise/fall times */
 255         i2c-scl-falling-time-ns = <50>;
 256         i2c-scl-rising-time-ns = <300>;
 257
 258         headsetcodec: rt5514@57 {
 259                 compatible = "realtek,rt5514";
 260                 reg = <0x57>;
 261                 realtek,dmic-init-delay-ms = <20>;
 262         };
 263 };
 264
 265 ap_i2c_tp: &i2c5 {
 266         status = "okay";
 267
 268         clock-frequency = <400000>;
 269
 270         /* These are relatively safe rise/fall times */
 271         i2c-scl-falling-time-ns = <50>;
 272         i2c-scl-rising-time-ns = <300>;
 273
 274         /*
 275          * Note strange pullup enable.  Apparently this avoids leakage but
 276          * still allows us to get nice 4.7K pullups for high speed i2c
 277          * transfers.  Basically we want the pullup on whenever the ap is
 278          * alive, so the "en" pin just gets set to output high.
 279          */
 280         pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
 281 };
 282
 283 &cros_ec {
 284         cros_ec_pwm: ec-pwm {
 285                 compatible = "google,cros-ec-pwm";
 286                 #pwm-cells = <1>;
 287         };
 288
 289         usbc_extcon1: extcon@1 {
 290                 compatible = "google,extcon-usbc-cros-ec";
 291                 google,usb-port-id = <1>;
 292
 293                 #extcon-cells = <0>;
 294         };
 295 };
 296
 297 &sound {
 298         rockchip,codec = <&max98357a &headsetcodec
 299                           &codec &wacky_spi_audio &cdn_dp>;
 300 };
 301
 302 &spi2 {
 303         wacky_spi_audio: spi2@0 {
 304                 compatible = "realtek,rt5514";
 305                 reg = <0>;
 306                 interrupt-parent = <&gpio1>;
 307                 interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
 308                 pinctrl-names = "default";
 309                 pinctrl-0 = <&mic_int>;
 310                 /* May run faster once verified. */
 311                 spi-max-frequency = <10000000>;
 312                 wakeup-source;
 313         };
 314 };
 315
 316 &pci_rootport {
 317         mvl_wifi: wifi@0,0 {
 318                 compatible = "pci1b4b,2b42";
 319                 reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
 320                        0x83010000 0x0 0x00100000 0x0 0x00100000>;
 321                 interrupt-parent = <&gpio0>;
 322                 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
 323                 pinctrl-names = "default";
 324                 pinctrl-0 = <&wlan_host_wake_l>;
 325                 wakeup-source;
 326         };
 327 };
 328
 329 &tcphy1 {
 330         status = "okay";
 331         extcon = <&usbc_extcon1>;
 332 };
 333
 334 &u2phy1 {
 335         status = "okay";
 336 };
 337
 338 &usb_host0_ehci {
 339         status = "okay";
 340 };
 341
 342 &usb_host1_ehci {
 343         status = "okay";
 344 };
 345
 346 &usb_host1_ohci {
 347         status = "okay";
 348 };
 349
 350 &usbdrd3_1 {
 351         status = "okay";
 352         extcon = <&usbc_extcon1>;
 353 };
 354
 355 &usbdrd_dwc3_1 {
 356         status = "okay";
 357         dr_mode = "host";
 358 };
 359
 360 &pinctrl {
 361         discrete-regulators {
 362                 pp1500_en: pp1500-en {
 363                         rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO
 364                                          &pcfg_pull_none>;
 365                 };
 366
 367                 pp1800_audio_en: pp1800-audio-en {
 368                         rockchip,pins = <RK_GPIO0 2 RK_FUNC_GPIO
 369                                          &pcfg_pull_down>;
 370                 };
 371
 372                 pp3000_en: pp3000-en {
 373                         rockchip,pins = <RK_GPIO0 12 RK_FUNC_GPIO
 374                                          &pcfg_pull_none>;
 375                 };
 376
 377                 pp3300_disp_en: pp3300-disp-en {
 378                         rockchip,pins = <RK_GPIO4 27 RK_FUNC_GPIO
 379                                          &pcfg_pull_none>;
 380                 };
 381
 382                 wlan_module_pd_l: wlan-module-pd-l {
 383                         rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO
 384                                          &pcfg_pull_down>;
 385                 };
 386         };
 387 };
 388
 389 &wifi {
 390         wifi_perst_l: wifi-perst-l {
 391                 rockchip,pins = <2 27 RK_FUNC_GPIO &pcfg_pull_none>;
 392         };
 393
 394         wlan_host_wake_l: wlan-host-wake-l {
 395                 rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
 396         };
 397 };