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>;
 		pwm-delay-us = <10000>;
 	};

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

 		wake_on_bt: 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>;
 };

 &edp {
 	status = "okay";

 	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>;
 			};
 		};
 	};
 };

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

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

 		#extcon-cells = <0>;
 	};
 };

 &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 = <0x83010000 0x0 0x00000000 0x0 0x00100000
 		       0x83010000 0x0 0x00100000 0x0 0x00100000>;
 		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 {
 		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>;
	pwm-delay-us = <10000>;
	};

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

	wake_on_bt: 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>;
	};

	&edp {
	status = "okay";

	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>;
	};
	};
	};
	};

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

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

	#extcon-cells = <0>;
	};
	};

	&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 = <0x83010000 0x0 0x00000000 0x0 0x00100000
	0x83010000 0x0 0x00100000 0x0 0x00100000>;
	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 {
	rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};