linux-zen-server/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Google Veyron (and derivatives) board device tree source
 * Chromebook specific parts
 *
 * Copyright 2015 Google, Inc
 */

#include <dt-bindings/clock/rockchip,rk808.h>
#include <dt-bindings/input/input.h>
#include "rk3288-veyron.dtsi"
#include "rk3288-veyron-analog-audio.dtsi"
#include "rk3288-veyron-edp.dtsi"
#include "rk3288-veyron-sdmmc.dtsi"

/ {
	aliases {
		/* Assign 20 so we don't get confused w/ builtin ones */
		i2c20 = &i2c_tunnel;
	};

	gpio-charger {
		compatible = "gpio-charger";
		charger-type = "mains";
		gpios = <&gpio0 RK_PB0 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&ac_present_ap>;
	};

	lid_switch: lid-switch {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&ap_lid_int_l>;

		switch-lid {
			label = "Lid";
			gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
			wakeup-source;
			linux,code = <SW_LID>;
			linux,input-type = <EV_SW>;
			debounce-interval = <1>;
		};
	};

	/* A non-regulated voltage from power supply or battery */
	vccsys: vccsys {
		compatible = "regulator-fixed";
		regulator-name = "vccsys";
		regulator-boot-on;
		regulator-always-on;
	};

	vcc33_sys: vcc33-sys {
		vin-supply = <&vccsys>;
	};

	vcc_5v: vcc-5v {
		vin-supply = <&vccsys>;
	};

	/* This turns on vbus for host1 (dwc2) */
	vcc5_host1: vcc5-host1-regulator {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio0 RK_PB3 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&host1_pwr_en>;
		regulator-name = "vcc5_host1";
		regulator-always-on;
		regulator-boot-on;
	};

	/* This turns on vbus for otg for host mode (dwc2) */
	vcc5v_otg: vcc5v-otg-regulator {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&usbotg_pwren_h>;
		regulator-name = "vcc5_host2";
		regulator-always-on;
		regulator-boot-on;
	};
};

&rk808 {
	vcc11-supply = <&vcc_5v>;

	regulators {
		vcc33_ccd: LDO_REG8 {
			regulator-name = "vcc33_ccd";
			regulator-always-on;
			regulator-boot-on;
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-state-mem {
				regulator-off-in-suspend;
			};
		};
	};
};

&spi0 {
	status = "okay";

	cros_ec: ec@0 {
		compatible = "google,cros-ec-spi";
		reg = <0>;
		google,cros-ec-spi-pre-delay = <30>;
		interrupt-parent = <&gpio7>;
		interrupts = <RK_PA7 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&ec_int>;
		spi-max-frequency = <3000000>;

		i2c_tunnel: i2c-tunnel {
			compatible = "google,cros-ec-i2c-tunnel";
			google,remote-bus = <0>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
	};
};

&i2c4 {
	trackpad@15 {
		compatible = "elan,ekth3000";
		reg = <0x15>;
		interrupt-parent = <&gpio7>;
		interrupts = <RK_PA3 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&trackpad_int>;
		vcc-supply = <&vcc33_io>;
		wakeup-source;
	};
};

&pinctrl {
	buttons {
		ap_lid_int_l: ap-lid-int-l {
			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	charger {
		ac_present_ap: ac-present-ap {
			rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	cros-ec {
		ec_int: ec-int {
			rockchip,pins = <7 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	suspend {
		suspend_l_wake: suspend-l-wake {
			rockchip,pins = <0 RK_PC1 RK_FUNC_GPIO &pcfg_output_low>;
		};

		suspend_l_sleep: suspend-l-sleep {
			rockchip,pins = <0 RK_PC1 RK_FUNC_GPIO &pcfg_output_high>;
		};
	};

	trackpad {
		trackpad_int: trackpad-int {
			rockchip,pins = <7 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	usb-host {
		host1_pwr_en: host1-pwr-en {
			rockchip,pins = <0 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		usbotg_pwren_h: usbotg-pwren-h {
			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};
};

#include "cros-ec-keyboard.dtsi"