arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Google Gru-Chromebook shared properties
  *
  * Copyright 2018 Google, Inc
  */

 #include "rk3399-gru.dtsi"

 / {
 	pp900_ap: pp900-ap {
 		compatible = "regulator-fixed";
 		regulator-name = "pp900_ap";

 		/* EC turns on w/ pp900_ap_en; always on for AP */
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <900000>;
 		regulator-max-microvolt = <900000>;

 		vin-supply = <&ppvar_sys>;
 	};

 	/* EC turns on w/ pp900_usb_en */
 	pp900_usb: pp900-ap {
 	};

 	/* EC turns on w/ pp900_pcie_en */
 	pp900_pcie: pp900-ap {
 	};

 	pp3000: pp3000 {
 		compatible = "regulator-fixed";
 		regulator-name = "pp3000";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pp3000_en>;

 		enable-active-high;
 		gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;

 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <3000000>;
 		regulator-max-microvolt = <3000000>;

 		vin-supply = <&ppvar_sys>;
 	};

 	ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
 		compatible = "pwm-regulator";
 		regulator-name = "ppvar_centerlogic_pwm";

 		pwms = <&pwm3 0 3337 0>;
 		pwm-supply = <&ppvar_sys>;
 		pwm-dutycycle-range = <100 0>;
 		pwm-dutycycle-unit = <100>;

 		/* EC turns on w/ ppvar_centerlogic_en; always on for AP */
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <799434>;
 		regulator-max-microvolt = <1049925>;
 	};

 	ppvar_centerlogic: ppvar-centerlogic {
 		compatible = "vctrl-regulator";
 		regulator-name = "ppvar_centerlogic";

 		regulator-min-microvolt = <799434>;
 		regulator-max-microvolt = <1049925>;

 		ctrl-supply = <&ppvar_centerlogic_pwm>;
 		ctrl-voltage-range = <799434 1049925>;

 		regulator-settling-time-up-us = <378>;
 		min-slew-down-rate = <225>;
 		ovp-threshold-percent = <16>;
 	};

 	/* Schematics call this PPVAR even though it's fixed */
 	ppvar_logic: ppvar-logic {
 		compatible = "regulator-fixed";
 		regulator-name = "ppvar_logic";

 		/* EC turns on w/ ppvar_logic_en; always on for AP */
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <900000>;
 		regulator-max-microvolt = <900000>;

 		vin-supply = <&ppvar_sys>;
 	};

 	pp1800_audio: pp1800-audio {
 		compatible = "regulator-fixed";
 		regulator-name = "pp1800_audio";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pp1800_audio_en>;

 		enable-active-high;
 		gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;

 		regulator-always-on;
 		regulator-boot-on;

 		vin-supply = <&pp1800>;
 	};

 	/* gpio is shared with pp3300_wifi_bt */
 	pp1800_pcie: pp1800-pcie {
 		compatible = "regulator-fixed";
 		regulator-name = "pp1800_pcie";
 		pinctrl-names = "default";
 		pinctrl-0 = <&wlan_module_pd_l>;

 		enable-active-high;
 		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;

 		/*
 		 * Need to wait 1ms + ramp-up time before we can power on WiFi.
 		 * This has been approximated as 8ms total.
 		 */
 		regulator-enable-ramp-delay = <8000>;

 		vin-supply = <&pp1800>;
 	};

 	/* Always on; plain and simple */
 	pp3000_ap: pp3000_emmc: pp3000 {
 	};

 	pp1500_ap_io: pp1500-ap-io {
 		compatible = "regulator-fixed";
 		regulator-name = "pp1500_ap_io";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pp1500_en>;

 		enable-active-high;
 		gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;

 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <1500000>;
 		regulator-max-microvolt = <1500000>;

 		vin-supply = <&pp1800>;
 	};

 	pp3300_disp: pp3300-disp {
 		compatible = "regulator-fixed";
 		regulator-name = "pp3300_disp";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pp3300_disp_en>;

 		enable-active-high;
 		gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;

 		startup-delay-us = <2000>;
 		vin-supply = <&pp3300>;
 	};

 	/* EC turns on w/ pp3300_usb_en_l */
 	pp3300_usb: pp3300 {
 	};

 	/* gpio is shared with pp1800_pcie and pinctrl is set there */
 	pp3300_wifi_bt: pp3300-wifi-bt {
 		compatible = "regulator-fixed";
 		regulator-name = "pp3300_wifi_bt";

 		enable-active-high;
 		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;

 		vin-supply = <&pp3300>;
 	};

 	/*
 	 * This is a bit of a hack. The WiFi module should be reset at least
 	 * 1ms after its regulators have ramped up (max rampup time is ~7ms).
 	 * With some stretching of the imagination, we can call the 1.8V
 	 * regulator a supply.
 	 */
 	wlan_pd_n: wlan-pd-n {
 		compatible = "regulator-fixed";
 		regulator-name = "wlan_pd_n";
 		pinctrl-names = "default";
 		pinctrl-0 = <&wlan_module_reset_l>;

 		enable-active-high;
 		gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;

 		vin-supply = <&pp1800_pcie>;
 	};

 	backlight: backlight {
 		compatible = "pwm-backlight";
 		enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
 		power-supply = <&pp3300_disp>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&bl_en>;
 	};

 	gpio_keys: gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
 		pinctrl-0 = <&bt_host_wake_l>;

 		wake_on_bt: key-wake-on-bt {
 			label = "Wake-on-Bluetooth";
 			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_WAKEUP>;
 			wakeup-source;
 		};
 	};
 };

 &ppvar_bigcpu {
 	min-slew-down-rate = <225>;
 	ovp-threshold-percent = <16>;
 };

 &ppvar_litcpu {
 	min-slew-down-rate = <225>;
 	ovp-threshold-percent = <16>;
 };

 &ppvar_gpu {
 	min-slew-down-rate = <225>;
 	ovp-threshold-percent = <16>;
 };

 &cdn_dp {
 	extcon = <&usbc_extcon0>, <&usbc_extcon1>;
 };

 &dmc {
 	center-supply = <&ppvar_centerlogic>;
 	rockchip,pd-idle-dis-freq-hz = <800000000>;
 	rockchip,sr-idle-dis-freq-hz = <800000000>;
 	rockchip,sr-mc-gate-idle-dis-freq-hz = <800000000>;
 };

 &edp {
 	status = "okay";

 	/*
 	 * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
 	 * set this here, because rk3399-gru.dtsi ensures we can generate this
 	 * off GPLL=600MHz, whereas some other RK3399 boards may not.
 	 */
 	assigned-clocks = <&cru PCLK_EDP>;
 	assigned-clock-rates = <24000000>;

 	ports {
 		edp_out: port@1 {
 			reg = <1>;
 			#address-cells = <1>;
 			#size-cells = <0>;

 			edp_out_panel: endpoint@0 {
 				reg = <0>;
 				remote-endpoint = <&panel_in_edp>;
 			};
 		};
 	};
 };

 &gpio0 {
 	gpio-line-names = /* GPIO0 A 0-7 */
 			  "AP_RTC_CLK_IN",
 			  "EC_AP_INT_L",
 			  "PP1800_AUDIO_EN",
 			  "BT_HOST_WAKE_L",
 			  "WLAN_MODULE_PD_L",
 			  "H1_INT_OD_L",
 			  "CENTERLOGIC_DVS_PWM",
 			  "",

 			  /* GPIO0 B 0-4 */
 			  "WIFI_HOST_WAKE_L",
 			  "PMUIO2_33_18_L",
 			  "PP1500_EN",
 			  "AP_EC_WARM_RESET_REQ",
 			  "PP3000_EN";
 };

 &gpio1 {
 	gpio-line-names = /* GPIO1 A 0-7 */
 			  "",
 			  "",
 			  "SPK_PA_EN",
 			  "",
 			  "TRACKPAD_INT_L",
 			  "AP_EC_S3_S0_L",
 			  "AP_EC_OVERTEMP",
 			  "AP_SPI_FLASH_MISO",

 			  /* GPIO1 B 0-7 */
 			  "AP_SPI_FLASH_MOSI_R",
 			  "AP_SPI_FLASH_CLK_R",
 			  "AP_SPI_FLASH_CS_L_R",
 			  "WLAN_MODULE_RESET_L",
 			  "WIFI_DISABLE_L",
 			  "MIC_INT",
 			  "",
 			  "AP_I2C_DVS_SDA",

 			  /* GPIO1 C 0-7 */
 			  "AP_I2C_DVS_SCL",
 			  "AP_BL_EN",
 			  /*
 			   * AP_FLASH_WP is crossystem ABI. Schematics call it
 			   * AP_FW_WP or CPU1_FW_WP, depending on the variant.
 			   */
 			  "AP_FLASH_WP",
 			  "LITCPU_DVS_PWM",
 			  "AP_I2C_AUDIO_SDA",
 			  "AP_I2C_AUDIO_SCL",
 			  "",
 			  "HEADSET_INT_L";
 };

 &gpio2 {
 	gpio-line-names = /* GPIO2 A 0-7 */
 			  "",
 			  "",
 			  "SD_IO_PWR_EN",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO2 B 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO2 C 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "AP_SPI_EC_MISO",
 			  "AP_SPI_EC_MOSI",
 			  "AP_SPI_EC_CLK",
 			  "AP_SPI_EC_CS_L",

 			  /* GPIO2 D 0-4 */
 			  "BT_DEV_WAKE_L",
 			  "",
 			  "WIFI_PCIE_CLKREQ_L",
 			  "WIFI_PERST_L",
 			  "SD_PWR_3000_1800_L";
 };

 &gpio3 {
 	gpio-line-names = /* GPIO3 A 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "AP_SPI_TPM_MISO",
 			  "AP_SPI_TPM_MOSI_R",
 			  "AP_SPI_TPM_CLK_R",
 			  "AP_SPI_TPM_CS_L_R",

 			  /* GPIO3 B 0-7 */
 			  "EC_IN_RW",
 			  "",
 			  "AP_I2C_TP_SDA",
 			  "AP_I2C_TP_SCL",
 			  "AP_I2C_TP_PU_EN",
 			  "TOUCH_INT_L",
 			  "",
 			  "",

 			  /* GPIO3 C 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO3 D 0-7 */
 			  "I2S0_SCLK",
 			  "I2S0_LRCK_RX",
 			  "I2S0_LRCK_TX",
 			  "I2S0_SDI_0",
 			  "I2S0_SDI_1",
 			  "",
 			  "I2S0_SDO_1",
 			  "I2S0_SDO_0";
 };

 &gpio4 {
 	gpio-line-names = /* GPIO4 A 0-7 */
 			  "I2S_MCLK",
 			  "AP_I2C_MIC_SDA",
 			  "AP_I2C_MIC_SCL",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO4 B 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO4 C 0-7 */
 			  "AP_I2C_TS_SDA",
 			  "AP_I2C_TS_SCL",
 			  "GPU_DVS_PWM",
 			  "UART_DBG_TX_AP_RX",
 			  "UART_AP_TX_DBG_RX",
 			  "",
 			  "BIGCPU_DVS_PWM",
 			  "EDP_HPD_3V0",

 			  /* GPIO4 D 0-5 */
 			  "SD_CARD_DET_L",
 			  "USB_DP_HPD",
 			  "TOUCH_RESET_L",
 			  "PP3300_DISP_EN",
 			  "",
 			  "SD_SLOT_PWR_EN";
 };

 ap_i2c_mic: &i2c1 {
 	status = "okay";

 	clock-frequency = <400000>;

 	/* These are relatively safe rise/fall times */
 	i2c-scl-falling-time-ns = <50>;
 	i2c-scl-rising-time-ns = <300>;

 	headsetcodec: rt5514@57 {
 		compatible = "realtek,rt5514";
 		reg = <0x57>;
 		realtek,dmic-init-delay-ms = <20>;
 	};
 };

 ap_i2c_tp: &i2c5 {
 	status = "okay";

 	clock-frequency = <400000>;

 	/* These are relatively safe rise/fall times */
 	i2c-scl-falling-time-ns = <50>;
 	i2c-scl-rising-time-ns = <300>;

 	/*
 	 * Note strange pullup enable.  Apparently this avoids leakage but
 	 * still allows us to get nice 4.7K pullups for high speed i2c
 	 * transfers.  Basically we want the pullup on whenever the ap is
 	 * alive, so the "en" pin just gets set to output high.
 	 */
 	pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
 };

 &cros_ec {
 	cros_ec_pwm: pwm {
 		compatible = "google,cros-ec-pwm";
 		#pwm-cells = <1>;
 	};

 	usbc_extcon1: extcon1 {
 		compatible = "google,extcon-usbc-cros-ec";
 		google,usb-port-id = <1>;
 	};
 };

 &sound {
 	rockchip,codec = <&max98357a &headsetcodec
 			  &codec &wacky_spi_audio &cdn_dp>;
 };

 &spi2 {
 	wacky_spi_audio: spi2@0 {
 		compatible = "realtek,rt5514";
 		reg = <0>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&mic_int>;
 		/* May run faster once verified. */
 		spi-max-frequency = <10000000>;
 		wakeup-source;
 	};
 };

 &pci_rootport {
 	mvl_wifi: wifi@0,0 {
 		compatible = "pci1b4b,2b42";
 		reg = <0x0000 0x0 0x0 0x0 0x0>;
 		interrupt-parent = <&gpio0>;
 		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&wlan_host_wake_l>;
 		wakeup-source;
 	};
 };

 &tcphy1 {
 	status = "okay";
 	extcon = <&usbc_extcon1>;
 };

 &u2phy1 {
 	status = "okay";
 };

 &usb_host0_ehci {
 	status = "okay";
 };

 &usb_host1_ehci {
 	status = "okay";
 };

 &usb_host1_ohci {
 	status = "okay";
 };

 &usbdrd3_1 {
 	status = "okay";
 	extcon = <&usbc_extcon1>;
 };

 &usbdrd_dwc3_1 {
 	status = "okay";
 	dr_mode = "host";
 };

 &pinctrl {
 	discrete-regulators {
 		pp1500_en: pp1500-en {
 			rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
 					 &pcfg_pull_none>;
 		};

 		pp1800_audio_en: pp1800-audio-en {
 			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
 					 &pcfg_pull_down>;
 		};

 		pp3000_en: pp3000-en {
 			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
 					 &pcfg_pull_none>;
 		};

 		pp3300_disp_en: pp3300-disp-en {
 			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
 					 &pcfg_pull_none>;
 		};

 		wlan_module_pd_l: wlan-module-pd-l {
 			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
 					 &pcfg_pull_down>;
 		};
 	};
 };

 &wifi {
 	wifi_perst_l: wifi-perst-l {
 		rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
 	};

 	wlan_host_wake_l: wlan-host-wake-l {
 		/* Kevin has an external pull up, but Bob does not */
 		rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
 	};
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
	/*
	* Google Gru-Chromebook shared properties
	*
	* Copyright 2018 Google, Inc
	*/

	#include "rk3399-gru.dtsi"

	/ {
	pp900_ap: pp900-ap {
	compatible = "regulator-fixed";
	regulator-name = "pp900_ap";

	/* EC turns on w/ pp900_ap_en; always on for AP */
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <900000>;

	vin-supply = <&ppvar_sys>;
	};

	/* EC turns on w/ pp900_usb_en */
	pp900_usb: pp900-ap {
	};

	/* EC turns on w/ pp900_pcie_en */
	pp900_pcie: pp900-ap {
	};

	pp3000: pp3000 {
	compatible = "regulator-fixed";
	regulator-name = "pp3000";
	pinctrl-names = "default";
	pinctrl-0 = <&pp3000_en>;

	enable-active-high;
	gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;

	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;

	vin-supply = <&ppvar_sys>;
	};

	ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
	compatible = "pwm-regulator";
	regulator-name = "ppvar_centerlogic_pwm";

	pwms = <&pwm3 0 3337 0>;
	pwm-supply = <&ppvar_sys>;
	pwm-dutycycle-range = <100 0>;
	pwm-dutycycle-unit = <100>;

	/* EC turns on w/ ppvar_centerlogic_en; always on for AP */
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <799434>;
	regulator-max-microvolt = <1049925>;
	};

	ppvar_centerlogic: ppvar-centerlogic {
	compatible = "vctrl-regulator";
	regulator-name = "ppvar_centerlogic";

	regulator-min-microvolt = <799434>;
	regulator-max-microvolt = <1049925>;

	ctrl-supply = <&ppvar_centerlogic_pwm>;
	ctrl-voltage-range = <799434 1049925>;

	regulator-settling-time-up-us = <378>;
	min-slew-down-rate = <225>;
	ovp-threshold-percent = <16>;
	};

	/* Schematics call this PPVAR even though it's fixed */
	ppvar_logic: ppvar-logic {
	compatible = "regulator-fixed";
	regulator-name = "ppvar_logic";

	/* EC turns on w/ ppvar_logic_en; always on for AP */
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <900000>;

	vin-supply = <&ppvar_sys>;
	};

	pp1800_audio: pp1800-audio {
	compatible = "regulator-fixed";
	regulator-name = "pp1800_audio";
	pinctrl-names = "default";
	pinctrl-0 = <&pp1800_audio_en>;

	enable-active-high;
	gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;

	regulator-always-on;
	regulator-boot-on;

	vin-supply = <&pp1800>;
	};

	/* gpio is shared with pp3300_wifi_bt */
	pp1800_pcie: pp1800-pcie {
	compatible = "regulator-fixed";
	regulator-name = "pp1800_pcie";
	pinctrl-names = "default";
	pinctrl-0 = <&wlan_module_pd_l>;

	enable-active-high;
	gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;

	/*
	* Need to wait 1ms + ramp-up time before we can power on WiFi.
	* This has been approximated as 8ms total.
	*/
	regulator-enable-ramp-delay = <8000>;

	vin-supply = <&pp1800>;
	};

	/* Always on; plain and simple */
	pp3000_ap: pp3000_emmc: pp3000 {
	};

	pp1500_ap_io: pp1500-ap-io {
	compatible = "regulator-fixed";
	regulator-name = "pp1500_ap_io";
	pinctrl-names = "default";
	pinctrl-0 = <&pp1500_en>;

	enable-active-high;
	gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;

	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <1500000>;
	regulator-max-microvolt = <1500000>;

	vin-supply = <&pp1800>;
	};

	pp3300_disp: pp3300-disp {
	compatible = "regulator-fixed";
	regulator-name = "pp3300_disp";
	pinctrl-names = "default";
	pinctrl-0 = <&pp3300_disp_en>;

	enable-active-high;
	gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;

	startup-delay-us = <2000>;
	vin-supply = <&pp3300>;
	};

	/* EC turns on w/ pp3300_usb_en_l */
	pp3300_usb: pp3300 {
	};

	/* gpio is shared with pp1800_pcie and pinctrl is set there */
	pp3300_wifi_bt: pp3300-wifi-bt {
	compatible = "regulator-fixed";
	regulator-name = "pp3300_wifi_bt";

	enable-active-high;
	gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;

	vin-supply = <&pp3300>;
	};

	/*
	* This is a bit of a hack. The WiFi module should be reset at least
	* 1ms after its regulators have ramped up (max rampup time is ~7ms).
	* With some stretching of the imagination, we can call the 1.8V
	* regulator a supply.
	*/
	wlan_pd_n: wlan-pd-n {
	compatible = "regulator-fixed";
	regulator-name = "wlan_pd_n";
	pinctrl-names = "default";
	pinctrl-0 = <&wlan_module_reset_l>;

	enable-active-high;
	gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;

	vin-supply = <&pp1800_pcie>;
	};

	backlight: backlight {
	compatible = "pwm-backlight";
	enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
	power-supply = <&pp3300_disp>;
	pinctrl-names = "default";
	pinctrl-0 = <&bl_en>;
	};

	gpio_keys: gpio-keys {
	compatible = "gpio-keys";
	pinctrl-names = "default";
	pinctrl-0 = <&bt_host_wake_l>;

	wake_on_bt: key-wake-on-bt {
	label = "Wake-on-Bluetooth";
	gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
	linux,code = <KEY_WAKEUP>;
	wakeup-source;
	};
	};
	};

	&ppvar_bigcpu {
	min-slew-down-rate = <225>;
	ovp-threshold-percent = <16>;
	};

	&ppvar_litcpu {
	min-slew-down-rate = <225>;
	ovp-threshold-percent = <16>;
	};

	&ppvar_gpu {
	min-slew-down-rate = <225>;
	ovp-threshold-percent = <16>;
	};

	&cdn_dp {
	extcon = <&usbc_extcon0>, <&usbc_extcon1>;
	};

	&dmc {
	center-supply = <&ppvar_centerlogic>;
	rockchip,pd-idle-dis-freq-hz = <800000000>;
	rockchip,sr-idle-dis-freq-hz = <800000000>;
	rockchip,sr-mc-gate-idle-dis-freq-hz = <800000000>;
	};

	&edp {
	status = "okay";

	/*
	* eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
	* set this here, because rk3399-gru.dtsi ensures we can generate this
	* off GPLL=600MHz, whereas some other RK3399 boards may not.
	*/
	assigned-clocks = <&cru PCLK_EDP>;
	assigned-clock-rates = <24000000>;

	ports {
	edp_out: port@1 {
	reg = <1>;
	#address-cells = <1>;
	#size-cells = <0>;

	edp_out_panel: endpoint@0 {
	reg = <0>;
	remote-endpoint = <&panel_in_edp>;
	};
	};
	};
	};

	&gpio0 {
	gpio-line-names = /* GPIO0 A 0-7 */
	"AP_RTC_CLK_IN",
	"EC_AP_INT_L",
	"PP1800_AUDIO_EN",
	"BT_HOST_WAKE_L",
	"WLAN_MODULE_PD_L",
	"H1_INT_OD_L",
	"CENTERLOGIC_DVS_PWM",
	"",

	/* GPIO0 B 0-4 */
	"WIFI_HOST_WAKE_L",
	"PMUIO2_33_18_L",
	"PP1500_EN",
	"AP_EC_WARM_RESET_REQ",
	"PP3000_EN";
	};

	&gpio1 {
	gpio-line-names = /* GPIO1 A 0-7 */
	"",
	"",
	"SPK_PA_EN",
	"",
	"TRACKPAD_INT_L",
	"AP_EC_S3_S0_L",
	"AP_EC_OVERTEMP",
	"AP_SPI_FLASH_MISO",

	/* GPIO1 B 0-7 */
	"AP_SPI_FLASH_MOSI_R",
	"AP_SPI_FLASH_CLK_R",
	"AP_SPI_FLASH_CS_L_R",
	"WLAN_MODULE_RESET_L",
	"WIFI_DISABLE_L",
	"MIC_INT",
	"",
	"AP_I2C_DVS_SDA",

	/* GPIO1 C 0-7 */
	"AP_I2C_DVS_SCL",
	"AP_BL_EN",
	/*
	* AP_FLASH_WP is crossystem ABI. Schematics call it
	* AP_FW_WP or CPU1_FW_WP, depending on the variant.
	*/
	"AP_FLASH_WP",
	"LITCPU_DVS_PWM",
	"AP_I2C_AUDIO_SDA",
	"AP_I2C_AUDIO_SCL",
	"",
	"HEADSET_INT_L";
	};

	&gpio2 {
	gpio-line-names = /* GPIO2 A 0-7 */
	"",
	"",
	"SD_IO_PWR_EN",
	"",
	"",
	"",
	"",
	"",

	/* GPIO2 B 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO2 C 0-7 */
	"",
	"",
	"",
	"",
	"AP_SPI_EC_MISO",
	"AP_SPI_EC_MOSI",
	"AP_SPI_EC_CLK",
	"AP_SPI_EC_CS_L",

	/* GPIO2 D 0-4 */
	"BT_DEV_WAKE_L",
	"",
	"WIFI_PCIE_CLKREQ_L",
	"WIFI_PERST_L",
	"SD_PWR_3000_1800_L";
	};

	&gpio3 {
	gpio-line-names = /* GPIO3 A 0-7 */
	"",
	"",
	"",
	"",
	"AP_SPI_TPM_MISO",
	"AP_SPI_TPM_MOSI_R",
	"AP_SPI_TPM_CLK_R",
	"AP_SPI_TPM_CS_L_R",

	/* GPIO3 B 0-7 */
	"EC_IN_RW",
	"",
	"AP_I2C_TP_SDA",
	"AP_I2C_TP_SCL",
	"AP_I2C_TP_PU_EN",
	"TOUCH_INT_L",
	"",
	"",

	/* GPIO3 C 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO3 D 0-7 */
	"I2S0_SCLK",
	"I2S0_LRCK_RX",
	"I2S0_LRCK_TX",
	"I2S0_SDI_0",
	"I2S0_SDI_1",
	"",
	"I2S0_SDO_1",
	"I2S0_SDO_0";
	};

	&gpio4 {
	gpio-line-names = /* GPIO4 A 0-7 */
	"I2S_MCLK",
	"AP_I2C_MIC_SDA",
	"AP_I2C_MIC_SCL",
	"",
	"",
	"",
	"",
	"",

	/* GPIO4 B 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO4 C 0-7 */
	"AP_I2C_TS_SDA",
	"AP_I2C_TS_SCL",
	"GPU_DVS_PWM",
	"UART_DBG_TX_AP_RX",
	"UART_AP_TX_DBG_RX",
	"",
	"BIGCPU_DVS_PWM",
	"EDP_HPD_3V0",

	/* GPIO4 D 0-5 */
	"SD_CARD_DET_L",
	"USB_DP_HPD",
	"TOUCH_RESET_L",
	"PP3300_DISP_EN",
	"",
	"SD_SLOT_PWR_EN";
	};

	ap_i2c_mic: &i2c1 {
	status = "okay";

	clock-frequency = <400000>;

	/* These are relatively safe rise/fall times */
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <300>;

	headsetcodec: rt5514@57 {
	compatible = "realtek,rt5514";
	reg = <0x57>;
	realtek,dmic-init-delay-ms = <20>;
	};
	};

	ap_i2c_tp: &i2c5 {
	status = "okay";

	clock-frequency = <400000>;

	/* These are relatively safe rise/fall times */
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <300>;

	/*
	* Note strange pullup enable. Apparently this avoids leakage but
	* still allows us to get nice 4.7K pullups for high speed i2c
	* transfers. Basically we want the pullup on whenever the ap is
	* alive, so the "en" pin just gets set to output high.
	*/
	pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
	};

	&cros_ec {
	cros_ec_pwm: pwm {
	compatible = "google,cros-ec-pwm";
	#pwm-cells = <1>;
	};

	usbc_extcon1: extcon1 {
	compatible = "google,extcon-usbc-cros-ec";
	google,usb-port-id = <1>;
	};
	};

	&sound {
	rockchip,codec = <&max98357a &headsetcodec
	&codec &wacky_spi_audio &cdn_dp>;
	};

	&spi2 {
	wacky_spi_audio: spi2@0 {
	compatible = "realtek,rt5514";
	reg = <0>;
	interrupt-parent = <&gpio1>;
	interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&mic_int>;
	/* May run faster once verified. */
	spi-max-frequency = <10000000>;
	wakeup-source;
	};
	};

	&pci_rootport {
	mvl_wifi: wifi@0,0 {
	compatible = "pci1b4b,2b42";
	reg = <0x0000 0x0 0x0 0x0 0x0>;
	interrupt-parent = <&gpio0>;
	interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&wlan_host_wake_l>;
	wakeup-source;
	};
	};

	&tcphy1 {
	status = "okay";
	extcon = <&usbc_extcon1>;
	};

	&u2phy1 {
	status = "okay";
	};

	&usb_host0_ehci {
	status = "okay";
	};

	&usb_host1_ehci {
	status = "okay";
	};

	&usb_host1_ohci {
	status = "okay";
	};

	&usbdrd3_1 {
	status = "okay";
	extcon = <&usbc_extcon1>;
	};

	&usbdrd_dwc3_1 {
	status = "okay";
	dr_mode = "host";
	};

	&pinctrl {
	discrete-regulators {
	pp1500_en: pp1500-en {
	rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
	&pcfg_pull_none>;
	};

	pp1800_audio_en: pp1800-audio-en {
	rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
	&pcfg_pull_down>;
	};

	pp3000_en: pp3000-en {
	rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
	&pcfg_pull_none>;
	};

	pp3300_disp_en: pp3300-disp-en {
	rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
	&pcfg_pull_none>;
	};

	wlan_module_pd_l: wlan-module-pd-l {
	rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
	&pcfg_pull_down>;
	};
	};
	};

	&wifi {
	wifi_perst_l: wifi-perst-l {
	rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	wlan_host_wake_l: wlan-host-wake-l {
	/* Kevin has an external pull up, but Bob does not */
	rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};