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

/*
 * Google Veyron Pinky Rev 2 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"
#include "cros-ec-sbs.dtsi"

/ {
	model = "Google Pinky";
	compatible = "google,veyron-pinky-rev2", "google,veyron-pinky",
		     "google,veyron", "rockchip,rk3288";

	/delete-node/emmc-pwrseq;
};

&emmc {
	/*
	 * Use a pullup instead of a drive since the output is 3.3V and
	 * really should be 1.8V (oops).  The external pulldown will help
	 * bring the voltage down if we only drive with a pullup here.
	 * Therefore disable the powerseq (and actual reset) for pinky.
	 */
	/delete-property/mmc-pwrseq;
	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_reset>;
};

&gpio_keys {
	pinctrl-0 = <&pwr_key_h &ap_lid_int_l>;

	power {
		gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
	};
};

/* Touchpad connector */
&i2c3 {
	status = "okay";

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

&pinctrl {
	buttons {
		pwr_key_h: pwr-key-h {
			rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	emmc {
		emmc_reset: emmc-reset {
			rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	sdmmc {
		sdmmc_wp_gpio: sdmmc-wp-gpio {
			rockchip,pins = <7 10 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};
};

&rk808 {
	regulators {
		vcc18_lcd: SWITCH_REG2 {
			regulator-always-on;
			regulator-boot-on;
			regulator-name = "vcc18_lcd";
			regulator-state-mem {
				regulator-off-in-suspend;
			};
		};
	};
};

&sdmmc {
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
		     &sdmmc_wp_gpio &sdmmc_bus4>;
	wp-gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>;
};

&tsadc {
	/* Some connection is flaky making the tsadc hang the system */
	status = "disabled";
};