u-boot/arch/arm/dts/rk3288-jerry.dts

/*
 * Google Veyron Jerry Rev 3+ board device tree source
 *
 * Copyright 2014 Google, Inc
 *
 * SPDX-License-Identifier:	GPL-2.0
 */

/dts-v1/;
#include "rk3288-veyron-chromebook.dtsi"
#include "cros-ec-sbs.dtsi"

/ {
	model = "Google Jerry";
	compatible = "google,veyron-jerry-rev7", "google,veyron-jerry-rev6",
		     "google,veyron-jerry-rev5", "google,veyron-jerry-rev4",
		     "google,veyron-jerry-rev3", "google,veyron-jerry",
		     "google,veyron", "rockchip,rk3288";

        chosen {
                stdout-path = &uart2;
        };

	panel_regulator: panel-regualtor {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio7 14 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&lcd_enable_h>;
		regulator-name = "panel_regulator";
		vin-supply = <&vcc33_sys>;
	};

	vcc18_lcd: vcc18-lcd {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&avdd_1v8_disp_en>;
		regulator-name = "vcc18_lcd";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vcc18_wl>;
	};

	backlight_regulator: backlight-regulator {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&bl_pwr_en>;
		regulator-name = "backlight_regulator";
		vin-supply = <&vcc33_sys>;
		startup-delay-us = <15000>;
	};
};

&gpio_keys {
	power {
		gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
	};
};

&backlight {
	power-supply = <&backlight_regulator>;
};

&panel {
	power-supply= <&panel_regulator>;
};

&rk808 {
	pinctrl-names = "default";
	pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
	dvs-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>,
		    <&gpio7 15 GPIO_ACTIVE_HIGH>;

	regulators {
		mic_vcc: LDO_REG2 {
			regulator-always-on;
			regulator-boot-on;
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-name = "mic_vcc";
			regulator-suspend-mem-disabled;
		};
	};
};

&sdmmc {
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
			&sdmmc_bus4>;
	disable-wp;
};

&vcc_5v {
	enable-active-high;
	gpio = <&gpio7 21 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&drv_5v>;
};

&vcc50_hdmi {
	enable-active-high;
	gpio = <&gpio5 19 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&vcc50_hdmi_en>;
};

&edp {
	pinctrl-names = "default";
	pinctrl-0 = <&edp_hpd>;
};

&pinctrl {
	backlight {
		bl_pwr_en: bl_pwr_en {
			rockchip,pins = <2 12 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	buck-5v {
		drv_5v: drv-5v {
			rockchip,pins = <7 21 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	edp {
		edp_hpd: edp_hpd {
			rockchip,pins = <7 11 RK_FUNC_2 &pcfg_pull_down>;
		};
	};

	emmc {
		/* Make sure eMMC is not in reset */
		emmc_deassert_reset: emmc-deassert-reset {
			rockchip,pins = <2 9 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	hdmi {
		vcc50_hdmi_en: vcc50-hdmi-en {
			rockchip,pins = <5 19 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	lcd {
		lcd_enable_h: lcd-en {
			rockchip,pins = <7 14 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		avdd_1v8_disp_en: avdd-1v8-disp-en {
			rockchip,pins = <2 13 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	pmic {
		dvs_1: dvs-1 {
			rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
		};

		dvs_2: dvs-2 {
			rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
		};
	};
};

&i2c4 {
	status = "okay";

	/*
	 * Trackpad pin control is shared between Elan and Synaptics devices
	 * so we have to pull it up to the bus level.
	 */
	pinctrl-names = "default";
	pinctrl-0 = <&i2c4_xfer &trackpad_int>;

	trackpad@15 {
		compatible = "elan,i2c_touchpad";
		interrupt-parent = <&gpio7>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
		/*
		 * Remove the inherited pinctrl settings to avoid clashing
		 * with bus-wide ones.
		 */
		/delete-property/pinctrl-names;
		/delete-property/pinctrl-0;
		reg = <0x15>;
		vcc-supply = <&vcc33_io>;
		wakeup-source;
	};

	trackpad@2c {
		compatible = "hid-over-i2c";
		interrupt-parent = <&gpio7>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
		reg = <0x2c>;
		hid-descr-addr = <0x0020>;
		vcc-supply = <&vcc33_io>;
		wakeup-source;
	};
};