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         /*
 236          * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
 237          * set this here, because rk3399-gru.dtsi ensures we can generate this
 238          * off GPLL=600MHz, whereas some other RK3399 boards may not.
 239          */
 240         assigned-clocks = <&cru PCLK_EDP>;
 241         assigned-clock-rates = <24000000>;
 242
 243         ports {
 244                 edp_out: port@1 {
 245                         reg = <1>;
 246                         #address-cells = <1>;
 247                         #size-cells = <0>;
 248
 249                         edp_out_panel: endpoint@0 {
 250                                 reg = <0>;
 251                                 remote-endpoint = <&panel_in_edp>;
 252                         };
 253                 };
 254         };
 255 };
 256
 257 ap_i2c_mic: &i2c1 {
 258         status = "okay";
 259
 260         clock-frequency = <400000>;
 261
 262         /* These are relatively safe rise/fall times */
 263         i2c-scl-falling-time-ns = <50>;
 264         i2c-scl-rising-time-ns = <300>;
 265
 266         headsetcodec: rt5514@57 {
 267                 compatible = "realtek,rt5514";
 268                 reg = <0x57>;
 269                 realtek,dmic-init-delay-ms = <20>;
 270         };
 271 };
 272
 273 ap_i2c_tp: &i2c5 {
 274         status = "okay";
 275
 276         clock-frequency = <400000>;
 277
 278         /* These are relatively safe rise/fall times */
 279         i2c-scl-falling-time-ns = <50>;
 280         i2c-scl-rising-time-ns = <300>;
 281
 282         /*
 283          * Note strange pullup enable.  Apparently this avoids leakage but
 284          * still allows us to get nice 4.7K pullups for high speed i2c
 285          * transfers.  Basically we want the pullup on whenever the ap is
 286          * alive, so the "en" pin just gets set to output high.
 287          */
 288         pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
 289 };
 290
 291 &cros_ec {
 292         cros_ec_pwm: ec-pwm {
 293                 compatible = "google,cros-ec-pwm";
 294                 #pwm-cells = <1>;
 295         };
 296
 297         usbc_extcon1: extcon@1 {
 298                 compatible = "google,extcon-usbc-cros-ec";
 299                 google,usb-port-id = <1>;
 300
 301                 #extcon-cells = <0>;
 302         };
 303 };
 304
 305 &sound {
 306         rockchip,codec = <&max98357a &headsetcodec
 307                           &codec &wacky_spi_audio &cdn_dp>;
 308 };
 309
 310 &spi2 {
 311         wacky_spi_audio: spi2@0 {
 312                 compatible = "realtek,rt5514";
 313                 reg = <0>;
 314                 interrupt-parent = <&gpio1>;
 315                 interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
 316                 pinctrl-names = "default";
 317                 pinctrl-0 = <&mic_int>;
 318                 /* May run faster once verified. */
 319                 spi-max-frequency = <10000000>;
 320                 wakeup-source;
 321         };
 322 };
 323
 324 &pci_rootport {
 325         mvl_wifi: wifi@0,0 {
 326                 compatible = "pci1b4b,2b42";
 327                 reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
 328                        0x83010000 0x0 0x00100000 0x0 0x00100000>;
 329                 interrupt-parent = <&gpio0>;
 330                 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
 331                 pinctrl-names = "default";
 332                 pinctrl-0 = <&wlan_host_wake_l>;
 333                 wakeup-source;
 334         };
 335 };
 336
 337 &tcphy1 {
 338         status = "okay";
 339         extcon = <&usbc_extcon1>;
 340 };
 341
 342 &u2phy1 {
 343         status = "okay";
 344 };
 345
 346 &usb_host0_ehci {
 347         status = "okay";
 348 };
 349
 350 &usb_host1_ehci {
 351         status = "okay";
 352 };
 353
 354 &usb_host1_ohci {
 355         status = "okay";
 356 };
 357
 358 &usbdrd3_1 {
 359         status = "okay";
 360         extcon = <&usbc_extcon1>;
 361 };
 362
 363 &usbdrd_dwc3_1 {
 364         status = "okay";
 365         dr_mode = "host";
 366 };
 367
 368 &pinctrl {
 369         discrete-regulators {
 370                 pp1500_en: pp1500-en {
 371                         rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO
 372                                          &pcfg_pull_none>;
 373                 };
 374
 375                 pp1800_audio_en: pp1800-audio-en {
 376                         rockchip,pins = <RK_GPIO0 2 RK_FUNC_GPIO
 377                                          &pcfg_pull_down>;
 378                 };
 379
 380                 pp3000_en: pp3000-en {
 381                         rockchip,pins = <RK_GPIO0 12 RK_FUNC_GPIO
 382                                          &pcfg_pull_none>;
 383                 };
 384
 385                 pp3300_disp_en: pp3300-disp-en {
 386                         rockchip,pins = <RK_GPIO4 27 RK_FUNC_GPIO
 387                                          &pcfg_pull_none>;
 388                 };
 389
 390                 wlan_module_pd_l: wlan-module-pd-l {
 391                         rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO
 392                                          &pcfg_pull_down>;
 393                 };
 394         };
 395 };
 396
 397 &wifi {
 398         wifi_perst_l: wifi-perst-l {
 399                 rockchip,pins = <2 27 RK_FUNC_GPIO &pcfg_pull_none>;
 400         };
 401
 402         wlan_host_wake_l: wlan-host-wake-l {
 403                 rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
 404         };
 405 };