linux/arch/arm/boot/dts/rk3288-veyron-minnie.dts

/*
 * Google Veyron Minnie Rev 0+ board device tree source
 *
 * Copyright 2015 Google, Inc
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *  Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

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

/ {
	model = "Google Minnie";
	compatible = "google,veyron-minnie-rev4", "google,veyron-minnie-rev3",
		     "google,veyron-minnie-rev2", "google,veyron-minnie-rev1",
		     "google,veyron-minnie-rev0", "google,veyron-minnie",
		     "google,veyron", "rockchip,rk3288";

	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>;
	};

	panel_regulator: panel-regulator {
		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>;
	};
};

&gpio_keys {
	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;

	volum_down {
		label = "Volum_down";
		gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
		linux,code = <KEY_VOLUMEDOWN>;
		debounce-interval = <100>;
	};

	volum_up {
		label = "Volum_up";
		gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
		linux,code = <KEY_VOLUMEUP>;
		debounce-interval = <100>;
	};
};

&i2c_tunnel {
	battery: bq27500@55 {
		compatible = "ti,bq27500";
		reg = <0x55>;
	};
};

&i2c3 {
	status = "okay";

	clock-frequency = <400000>;
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <300>;
};

&rk808 {
	pinctrl-names = "default";
	pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;

	regulators {
		vcc33_touch: LDO_REG2 {
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-name = "vcc33_touch";
			regulator-state-mem {
				regulator-off-in-suspend;
			};
		};

		vcc5v_touch: SWITCH_REG2 {
			regulator-name = "vcc5v_touch";
			regulator-state-mem {
				regulator-off-in-suspend;
			};
		};
	};
};

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

&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>;
};

&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>;
		};
	};

	buttons {
		volum_down_l: volum-down-l {
			rockchip,pins = <5 11 RK_FUNC_GPIO &pcfg_pull_up>;
		};

		volum_up_l: volum-up-l {
			rockchip,pins = <5 10 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	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>;
		};
	};

	prochot {
		gpio_prochot: gpio-prochot {
			rockchip,pins = <2 8 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	touchscreen {
		touch_int: touch-int {
			rockchip,pins = <2 14 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		touch_rst: touch-rst {
			rockchip,pins = <2 15 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};
};