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                 enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
 198                 power-supply = <&pp3300_disp>;
 199                 pinctrl-names = "default";
 200                 pinctrl-0 = <&bl_en>;
 201                 pwm-delay-us = <10000>;
 202         };
 203
 204         gpio_keys: gpio-keys {
 205                 compatible = "gpio-keys";
 206                 pinctrl-names = "default";
 207                 pinctrl-0 = <&bt_host_wake_l>;
 208
 209                 wake_on_bt: wake-on-bt {
 210                         label = "Wake-on-Bluetooth";
 211                         gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
 212                         linux,code = <KEY_WAKEUP>;
 213                         wakeup-source;
 214                 };
 215         };
 216 };
 217
 218 &ppvar_bigcpu {
 219         min-slew-down-rate = <225>;
 220         ovp-threshold-percent = <16>;
 221 };
 222
 223 &ppvar_litcpu {
 224         min-slew-down-rate = <225>;
 225         ovp-threshold-percent = <16>;
 226 };
 227
 228 &ppvar_gpu {
 229         min-slew-down-rate = <225>;
 230         ovp-threshold-percent = <16>;
 231 };
 232
 233 &cdn_dp {
 234         extcon = <&usbc_extcon0>, <&usbc_extcon1>;
 235 };
 236
 237 &edp {
 238         status = "okay";
 239
 240         /*
 241          * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
 242          * set this here, because rk3399-gru.dtsi ensures we can generate this
 243          * off GPLL=600MHz, whereas some other RK3399 boards may not.
 244          */
 245         assigned-clocks = <&cru PCLK_EDP>;
 246         assigned-clock-rates = <24000000>;
 247
 248         ports {
 249                 edp_out: port@1 {
 250                         reg = <1>;
 251                         #address-cells = <1>;
 252                         #size-cells = <0>;
 253
 254                         edp_out_panel: endpoint@0 {
 255                                 reg = <0>;
 256                                 remote-endpoint = <&panel_in_edp>;
 257                         };
 258                 };
 259         };
 260 };
 261
 262 ap_i2c_mic: &i2c1 {
 263         status = "okay";
 264
 265         clock-frequency = <400000>;
 266
 267         /* These are relatively safe rise/fall times */
 268         i2c-scl-falling-time-ns = <50>;
 269         i2c-scl-rising-time-ns = <300>;
 270
 271         headsetcodec: rt5514@57 {
 272                 compatible = "realtek,rt5514";
 273                 reg = <0x57>;
 274                 realtek,dmic-init-delay-ms = <20>;
 275         };
 276 };
 277
 278 ap_i2c_tp: &i2c5 {
 279         status = "okay";
 280
 281         clock-frequency = <400000>;
 282
 283         /* These are relatively safe rise/fall times */
 284         i2c-scl-falling-time-ns = <50>;
 285         i2c-scl-rising-time-ns = <300>;
 286
 287         /*
 288          * Note strange pullup enable.  Apparently this avoids leakage but
 289          * still allows us to get nice 4.7K pullups for high speed i2c
 290          * transfers.  Basically we want the pullup on whenever the ap is
 291          * alive, so the "en" pin just gets set to output high.
 292          */
 293         pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
 294 };
 295
 296 &cros_ec {
 297         cros_ec_pwm: ec-pwm {
 298                 compatible = "google,cros-ec-pwm";
 299                 #pwm-cells = <1>;
 300         };
 301
 302         usbc_extcon1: extcon@1 {
 303                 compatible = "google,extcon-usbc-cros-ec";
 304                 google,usb-port-id = <1>;
 305
 306                 #extcon-cells = <0>;
 307         };
 308 };
 309
 310 &sound {
 311         rockchip,codec = <&max98357a &headsetcodec
 312                           &codec &wacky_spi_audio &cdn_dp>;
 313 };
 314
 315 &spi2 {
 316         wacky_spi_audio: spi2@0 {
 317                 compatible = "realtek,rt5514";
 318                 reg = <0>;
 319                 interrupt-parent = <&gpio1>;
 320                 interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
 321                 pinctrl-names = "default";
 322                 pinctrl-0 = <&mic_int>;
 323                 /* May run faster once verified. */
 324                 spi-max-frequency = <10000000>;
 325                 wakeup-source;
 326         };
 327 };
 328
 329 &pci_rootport {
 330         mvl_wifi: wifi@0,0 {
 331                 compatible = "pci1b4b,2b42";
 332                 reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
 333                        0x83010000 0x0 0x00100000 0x0 0x00100000>;
 334                 interrupt-parent = <&gpio0>;
 335                 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
 336                 pinctrl-names = "default";
 337                 pinctrl-0 = <&wlan_host_wake_l>;
 338                 wakeup-source;
 339         };
 340 };
 341
 342 &tcphy1 {
 343         status = "okay";
 344         extcon = <&usbc_extcon1>;
 345 };
 346
 347 &u2phy1 {
 348         status = "okay";
 349 };
 350
 351 &usb_host0_ehci {
 352         status = "okay";
 353 };
 354
 355 &usb_host1_ehci {
 356         status = "okay";
 357 };
 358
 359 &usb_host1_ohci {
 360         status = "okay";
 361 };
 362
 363 &usbdrd3_1 {
 364         status = "okay";
 365         extcon = <&usbc_extcon1>;
 366 };
 367
 368 &usbdrd_dwc3_1 {
 369         status = "okay";
 370         dr_mode = "host";
 371 };
 372
 373 &pinctrl {
 374         discrete-regulators {
 375                 pp1500_en: pp1500-en {
 376                         rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
 377                                          &pcfg_pull_none>;
 378                 };
 379
 380                 pp1800_audio_en: pp1800-audio-en {
 381                         rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
 382                                          &pcfg_pull_down>;
 383                 };
 384
 385                 pp3000_en: pp3000-en {
 386                         rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
 387                                          &pcfg_pull_none>;
 388                 };
 389
 390                 pp3300_disp_en: pp3300-disp-en {
 391                         rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
 392                                          &pcfg_pull_none>;
 393                 };
 394
 395                 wlan_module_pd_l: wlan-module-pd-l {
 396                         rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
 397                                          &pcfg_pull_down>;
 398                 };
 399         };
 400 };
 401
 402 &wifi {
 403         wifi_perst_l: wifi-perst-l {
 404                 rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
 405         };
 406
 407         wlan_host_wake_l: wlan-host-wake-l {
 408                 /* Kevin has an external pull up, but Bob does not */
 409                 rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
 410         };
 411 };