0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Google Gru-Chromebook shared properties
0004 *
0005 * Copyright 2018 Google, Inc
0006 */
0007
0008 #include "rk3399-gru.dtsi"
0009
0010 / {
0011 pp900_ap: pp900-ap {
0012 compatible = "regulator-fixed";
0013 regulator-name = "pp900_ap";
0014
0015 /* EC turns on w/ pp900_ap_en; always on for AP */
0016 regulator-always-on;
0017 regulator-boot-on;
0018 regulator-min-microvolt = <900000>;
0019 regulator-max-microvolt = <900000>;
0020
0021 vin-supply = <&ppvar_sys>;
0022 };
0023
0024 /* EC turns on w/ pp900_usb_en */
0025 pp900_usb: pp900-ap {
0026 };
0027
0028 /* EC turns on w/ pp900_pcie_en */
0029 pp900_pcie: pp900-ap {
0030 };
0031
0032 pp3000: pp3000 {
0033 compatible = "regulator-fixed";
0034 regulator-name = "pp3000";
0035 pinctrl-names = "default";
0036 pinctrl-0 = <&pp3000_en>;
0037
0038 enable-active-high;
0039 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
0040
0041 regulator-always-on;
0042 regulator-boot-on;
0043 regulator-min-microvolt = <3000000>;
0044 regulator-max-microvolt = <3000000>;
0045
0046 vin-supply = <&ppvar_sys>;
0047 };
0048
0049 ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
0050 compatible = "pwm-regulator";
0051 regulator-name = "ppvar_centerlogic_pwm";
0052
0053 pwms = <&pwm3 0 3337 0>;
0054 pwm-supply = <&ppvar_sys>;
0055 pwm-dutycycle-range = <100 0>;
0056 pwm-dutycycle-unit = <100>;
0057
0058 /* EC turns on w/ ppvar_centerlogic_en; always on for AP */
0059 regulator-always-on;
0060 regulator-boot-on;
0061 regulator-min-microvolt = <799434>;
0062 regulator-max-microvolt = <1049925>;
0063 };
0064
0065 ppvar_centerlogic: ppvar-centerlogic {
0066 compatible = "vctrl-regulator";
0067 regulator-name = "ppvar_centerlogic";
0068
0069 regulator-min-microvolt = <799434>;
0070 regulator-max-microvolt = <1049925>;
0071
0072 ctrl-supply = <&ppvar_centerlogic_pwm>;
0073 ctrl-voltage-range = <799434 1049925>;
0074
0075 regulator-settling-time-up-us = <378>;
0076 min-slew-down-rate = <225>;
0077 ovp-threshold-percent = <16>;
0078 };
0079
0080 /* Schematics call this PPVAR even though it's fixed */
0081 ppvar_logic: ppvar-logic {
0082 compatible = "regulator-fixed";
0083 regulator-name = "ppvar_logic";
0084
0085 /* EC turns on w/ ppvar_logic_en; always on for AP */
0086 regulator-always-on;
0087 regulator-boot-on;
0088 regulator-min-microvolt = <900000>;
0089 regulator-max-microvolt = <900000>;
0090
0091 vin-supply = <&ppvar_sys>;
0092 };
0093
0094 pp1800_audio: pp1800-audio {
0095 compatible = "regulator-fixed";
0096 regulator-name = "pp1800_audio";
0097 pinctrl-names = "default";
0098 pinctrl-0 = <&pp1800_audio_en>;
0099
0100 enable-active-high;
0101 gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;
0102
0103 regulator-always-on;
0104 regulator-boot-on;
0105
0106 vin-supply = <&pp1800>;
0107 };
0108
0109 /* gpio is shared with pp3300_wifi_bt */
0110 pp1800_pcie: pp1800-pcie {
0111 compatible = "regulator-fixed";
0112 regulator-name = "pp1800_pcie";
0113 pinctrl-names = "default";
0114 pinctrl-0 = <&wlan_module_pd_l>;
0115
0116 enable-active-high;
0117 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
0118
0119 /*
0120 * Need to wait 1ms + ramp-up time before we can power on WiFi.
0121 * This has been approximated as 8ms total.
0122 */
0123 regulator-enable-ramp-delay = <8000>;
0124
0125 vin-supply = <&pp1800>;
0126 };
0127
0128 /* Always on; plain and simple */
0129 pp3000_ap: pp3000_emmc: pp3000 {
0130 };
0131
0132 pp1500_ap_io: pp1500-ap-io {
0133 compatible = "regulator-fixed";
0134 regulator-name = "pp1500_ap_io";
0135 pinctrl-names = "default";
0136 pinctrl-0 = <&pp1500_en>;
0137
0138 enable-active-high;
0139 gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
0140
0141 regulator-always-on;
0142 regulator-boot-on;
0143 regulator-min-microvolt = <1500000>;
0144 regulator-max-microvolt = <1500000>;
0145
0146 vin-supply = <&pp1800>;
0147 };
0148
0149 pp3300_disp: pp3300-disp {
0150 compatible = "regulator-fixed";
0151 regulator-name = "pp3300_disp";
0152 pinctrl-names = "default";
0153 pinctrl-0 = <&pp3300_disp_en>;
0154
0155 enable-active-high;
0156 gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
0157
0158 startup-delay-us = <2000>;
0159 vin-supply = <&pp3300>;
0160 };
0161
0162 /* EC turns on w/ pp3300_usb_en_l */
0163 pp3300_usb: pp3300 {
0164 };
0165
0166 /* gpio is shared with pp1800_pcie and pinctrl is set there */
0167 pp3300_wifi_bt: pp3300-wifi-bt {
0168 compatible = "regulator-fixed";
0169 regulator-name = "pp3300_wifi_bt";
0170
0171 enable-active-high;
0172 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
0173
0174 vin-supply = <&pp3300>;
0175 };
0176
0177 /*
0178 * This is a bit of a hack. The WiFi module should be reset at least
0179 * 1ms after its regulators have ramped up (max rampup time is ~7ms).
0180 * With some stretching of the imagination, we can call the 1.8V
0181 * regulator a supply.
0182 */
0183 wlan_pd_n: wlan-pd-n {
0184 compatible = "regulator-fixed";
0185 regulator-name = "wlan_pd_n";
0186 pinctrl-names = "default";
0187 pinctrl-0 = <&wlan_module_reset_l>;
0188
0189 enable-active-high;
0190 gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
0191
0192 vin-supply = <&pp1800_pcie>;
0193 };
0194
0195 backlight: backlight {
0196 compatible = "pwm-backlight";
0197 enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
0198 power-supply = <&pp3300_disp>;
0199 pinctrl-names = "default";
0200 pinctrl-0 = <&bl_en>;
0201 pwm-delay-us = <10000>;
0202 };
0203
0204 gpio_keys: gpio-keys {
0205 compatible = "gpio-keys";
0206 pinctrl-names = "default";
0207 pinctrl-0 = <&bt_host_wake_l>;
0208
0209 wake_on_bt: key-wake-on-bt {
0210 label = "Wake-on-Bluetooth";
0211 gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
0212 linux,code = <KEY_WAKEUP>;
0213 wakeup-source;
0214 };
0215 };
0216 };
0217
0218 &ppvar_bigcpu {
0219 min-slew-down-rate = <225>;
0220 ovp-threshold-percent = <16>;
0221 };
0222
0223 &ppvar_litcpu {
0224 min-slew-down-rate = <225>;
0225 ovp-threshold-percent = <16>;
0226 };
0227
0228 &ppvar_gpu {
0229 min-slew-down-rate = <225>;
0230 ovp-threshold-percent = <16>;
0231 };
0232
0233 &cdn_dp {
0234 extcon = <&usbc_extcon0>, <&usbc_extcon1>;
0235 };
0236
0237 &dmc {
0238 center-supply = <&ppvar_centerlogic>;
0239 rockchip,pd-idle-dis-freq-hz = <800000000>;
0240 rockchip,sr-idle-dis-freq-hz = <800000000>;
0241 rockchip,sr-mc-gate-idle-dis-freq-hz = <800000000>;
0242 };
0243
0244 &edp {
0245 status = "okay";
0246
0247 /*
0248 * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
0249 * set this here, because rk3399-gru.dtsi ensures we can generate this
0250 * off GPLL=600MHz, whereas some other RK3399 boards may not.
0251 */
0252 assigned-clocks = <&cru PCLK_EDP>;
0253 assigned-clock-rates = <24000000>;
0254
0255 ports {
0256 edp_out: port@1 {
0257 reg = <1>;
0258 #address-cells = <1>;
0259 #size-cells = <0>;
0260
0261 edp_out_panel: endpoint@0 {
0262 reg = <0>;
0263 remote-endpoint = <&panel_in_edp>;
0264 };
0265 };
0266 };
0267 };
0268
0269 &gpio0 {
0270 gpio-line-names = /* GPIO0 A 0-7 */
0271 "AP_RTC_CLK_IN",
0272 "EC_AP_INT_L",
0273 "PP1800_AUDIO_EN",
0274 "BT_HOST_WAKE_L",
0275 "WLAN_MODULE_PD_L",
0276 "H1_INT_OD_L",
0277 "CENTERLOGIC_DVS_PWM",
0278 "",
0279
0280 /* GPIO0 B 0-4 */
0281 "WIFI_HOST_WAKE_L",
0282 "PMUIO2_33_18_L",
0283 "PP1500_EN",
0284 "AP_EC_WARM_RESET_REQ",
0285 "PP3000_EN";
0286 };
0287
0288 &gpio1 {
0289 gpio-line-names = /* GPIO1 A 0-7 */
0290 "",
0291 "",
0292 "SPK_PA_EN",
0293 "",
0294 "TRACKPAD_INT_L",
0295 "AP_EC_S3_S0_L",
0296 "AP_EC_OVERTEMP",
0297 "AP_SPI_FLASH_MISO",
0298
0299 /* GPIO1 B 0-7 */
0300 "AP_SPI_FLASH_MOSI_R",
0301 "AP_SPI_FLASH_CLK_R",
0302 "AP_SPI_FLASH_CS_L_R",
0303 "WLAN_MODULE_RESET_L",
0304 "WIFI_DISABLE_L",
0305 "MIC_INT",
0306 "",
0307 "AP_I2C_DVS_SDA",
0308
0309 /* GPIO1 C 0-7 */
0310 "AP_I2C_DVS_SCL",
0311 "AP_BL_EN",
0312 /*
0313 * AP_FLASH_WP is crossystem ABI. Schematics call it
0314 * AP_FW_WP or CPU1_FW_WP, depending on the variant.
0315 */
0316 "AP_FLASH_WP",
0317 "LITCPU_DVS_PWM",
0318 "AP_I2C_AUDIO_SDA",
0319 "AP_I2C_AUDIO_SCL",
0320 "",
0321 "HEADSET_INT_L";
0322 };
0323
0324 &gpio2 {
0325 gpio-line-names = /* GPIO2 A 0-7 */
0326 "",
0327 "",
0328 "SD_IO_PWR_EN",
0329 "",
0330 "",
0331 "",
0332 "",
0333 "",
0334
0335 /* GPIO2 B 0-7 */
0336 "",
0337 "",
0338 "",
0339 "",
0340 "",
0341 "",
0342 "",
0343 "",
0344
0345 /* GPIO2 C 0-7 */
0346 "",
0347 "",
0348 "",
0349 "",
0350 "AP_SPI_EC_MISO",
0351 "AP_SPI_EC_MOSI",
0352 "AP_SPI_EC_CLK",
0353 "AP_SPI_EC_CS_L",
0354
0355 /* GPIO2 D 0-4 */
0356 "BT_DEV_WAKE_L",
0357 "",
0358 "WIFI_PCIE_CLKREQ_L",
0359 "WIFI_PERST_L",
0360 "SD_PWR_3000_1800_L";
0361 };
0362
0363 &gpio3 {
0364 gpio-line-names = /* GPIO3 A 0-7 */
0365 "",
0366 "",
0367 "",
0368 "",
0369 "AP_SPI_TPM_MISO",
0370 "AP_SPI_TPM_MOSI_R",
0371 "AP_SPI_TPM_CLK_R",
0372 "AP_SPI_TPM_CS_L_R",
0373
0374 /* GPIO3 B 0-7 */
0375 "EC_IN_RW",
0376 "",
0377 "AP_I2C_TP_SDA",
0378 "AP_I2C_TP_SCL",
0379 "AP_I2C_TP_PU_EN",
0380 "TOUCH_INT_L",
0381 "",
0382 "",
0383
0384 /* GPIO3 C 0-7 */
0385 "",
0386 "",
0387 "",
0388 "",
0389 "",
0390 "",
0391 "",
0392 "",
0393
0394 /* GPIO3 D 0-7 */
0395 "I2S0_SCLK",
0396 "I2S0_LRCK_RX",
0397 "I2S0_LRCK_TX",
0398 "I2S0_SDI_0",
0399 "I2S0_SDI_1",
0400 "",
0401 "I2S0_SDO_1",
0402 "I2S0_SDO_0";
0403 };
0404
0405 &gpio4 {
0406 gpio-line-names = /* GPIO4 A 0-7 */
0407 "I2S_MCLK",
0408 "AP_I2C_MIC_SDA",
0409 "AP_I2C_MIC_SCL",
0410 "",
0411 "",
0412 "",
0413 "",
0414 "",
0415
0416 /* GPIO4 B 0-7 */
0417 "",
0418 "",
0419 "",
0420 "",
0421 "",
0422 "",
0423 "",
0424 "",
0425
0426 /* GPIO4 C 0-7 */
0427 "AP_I2C_TS_SDA",
0428 "AP_I2C_TS_SCL",
0429 "GPU_DVS_PWM",
0430 "UART_DBG_TX_AP_RX",
0431 "UART_AP_TX_DBG_RX",
0432 "",
0433 "BIGCPU_DVS_PWM",
0434 "EDP_HPD_3V0",
0435
0436 /* GPIO4 D 0-5 */
0437 "SD_CARD_DET_L",
0438 "USB_DP_HPD",
0439 "TOUCH_RESET_L",
0440 "PP3300_DISP_EN",
0441 "",
0442 "SD_SLOT_PWR_EN";
0443 };
0444
0445 ap_i2c_mic: &i2c1 {
0446 status = "okay";
0447
0448 clock-frequency = <400000>;
0449
0450 /* These are relatively safe rise/fall times */
0451 i2c-scl-falling-time-ns = <50>;
0452 i2c-scl-rising-time-ns = <300>;
0453
0454 headsetcodec: rt5514@57 {
0455 compatible = "realtek,rt5514";
0456 reg = <0x57>;
0457 realtek,dmic-init-delay-ms = <20>;
0458 };
0459 };
0460
0461 ap_i2c_tp: &i2c5 {
0462 status = "okay";
0463
0464 clock-frequency = <400000>;
0465
0466 /* These are relatively safe rise/fall times */
0467 i2c-scl-falling-time-ns = <50>;
0468 i2c-scl-rising-time-ns = <300>;
0469
0470 /*
0471 * Note strange pullup enable. Apparently this avoids leakage but
0472 * still allows us to get nice 4.7K pullups for high speed i2c
0473 * transfers. Basically we want the pullup on whenever the ap is
0474 * alive, so the "en" pin just gets set to output high.
0475 */
0476 pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
0477 };
0478
0479 &cros_ec {
0480 cros_ec_pwm: pwm {
0481 compatible = "google,cros-ec-pwm";
0482 #pwm-cells = <1>;
0483 };
0484
0485 usbc_extcon1: extcon1 {
0486 compatible = "google,extcon-usbc-cros-ec";
0487 google,usb-port-id = <1>;
0488 };
0489 };
0490
0491 &sound {
0492 rockchip,codec = <&max98357a &headsetcodec
0493 &codec &wacky_spi_audio &cdn_dp>;
0494 };
0495
0496 &spi2 {
0497 wacky_spi_audio: spi2@0 {
0498 compatible = "realtek,rt5514";
0499 reg = <0>;
0500 interrupt-parent = <&gpio1>;
0501 interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
0502 pinctrl-names = "default";
0503 pinctrl-0 = <&mic_int>;
0504 /* May run faster once verified. */
0505 spi-max-frequency = <10000000>;
0506 wakeup-source;
0507 };
0508 };
0509
0510 &pci_rootport {
0511 mvl_wifi: wifi@0,0 {
0512 compatible = "pci1b4b,2b42";
0513 reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
0514 0x83010000 0x0 0x00100000 0x0 0x00100000>;
0515 interrupt-parent = <&gpio0>;
0516 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
0517 pinctrl-names = "default";
0518 pinctrl-0 = <&wlan_host_wake_l>;
0519 wakeup-source;
0520 };
0521 };
0522
0523 &tcphy1 {
0524 status = "okay";
0525 extcon = <&usbc_extcon1>;
0526 };
0527
0528 &u2phy1 {
0529 status = "okay";
0530 };
0531
0532 &usb_host0_ehci {
0533 status = "okay";
0534 };
0535
0536 &usb_host1_ehci {
0537 status = "okay";
0538 };
0539
0540 &usb_host1_ohci {
0541 status = "okay";
0542 };
0543
0544 &usbdrd3_1 {
0545 status = "okay";
0546 extcon = <&usbc_extcon1>;
0547 };
0548
0549 &usbdrd_dwc3_1 {
0550 status = "okay";
0551 dr_mode = "host";
0552 };
0553
0554 &pinctrl {
0555 discrete-regulators {
0556 pp1500_en: pp1500-en {
0557 rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
0558 &pcfg_pull_none>;
0559 };
0560
0561 pp1800_audio_en: pp1800-audio-en {
0562 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
0563 &pcfg_pull_down>;
0564 };
0565
0566 pp3000_en: pp3000-en {
0567 rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
0568 &pcfg_pull_none>;
0569 };
0570
0571 pp3300_disp_en: pp3300-disp-en {
0572 rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
0573 &pcfg_pull_none>;
0574 };
0575
0576 wlan_module_pd_l: wlan-module-pd-l {
0577 rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
0578 &pcfg_pull_down>;
0579 };
0580 };
0581 };
0582
0583 &wifi {
0584 wifi_perst_l: wifi-perst-l {
0585 rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
0586 };
0587
0588 wlan_host_wake_l: wlan-host-wake-l {
0589 /* Kevin has an external pull up, but Bob does not */
0590 rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
0591 };
0592 };
