1/*
  2 * Google Veyron Pinky Rev 2 board device tree source
  3 *
  4 * Copyright 2015 Google, Inc
  5 *
  6 * This file is dual-licensed: you can use it either under the terms
  7 * of the GPL or the X11 license, at your option. Note that this dual
  8 * licensing only applies to this file, and not this project as a
  9 * whole.
 10 *
 11 *  a) This file is free software; you can redistribute it and/or
 12 *     modify it under the terms of the GNU General Public License as
 13 *     published by the Free Software Foundation; either version 2 of the
 14 *     License, or (at your option) any later version.
 15 *
 16 *     This file is distributed in the hope that it will be useful,
 17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 19 *     GNU General Public License for more details.
 20 *
 21 *  Or, alternatively,
 22 *
 23 *  b) Permission is hereby granted, free of charge, to any person
 24 *     obtaining a copy of this software and associated documentation
 25 *     files (the "Software"), to deal in the Software without
 26 *     restriction, including without limitation the rights to use,
 27 *     copy, modify, merge, publish, distribute, sublicense, and/or
 28 *     sell copies of the Software, and to permit persons to whom the
 29 *     Software is furnished to do so, subject to the following
 30 *     conditions:
 31 *
 32 *     The above copyright notice and this permission notice shall be
 33 *     included in all copies or substantial portions of the Software.
 34 *
 35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 42 *     OTHER DEALINGS IN THE SOFTWARE.
 43 */
 44
 45/dts-v1/;
 46#include "rk3288-veyron-chromebook.dtsi"
 47#include "cros-ec-sbs.dtsi"
 48
 49/ {
 50	model = "Google Pinky";
 51	compatible = "google,veyron-pinky-rev2", "google,veyron-pinky",
 52		     "google,veyron", "rockchip,rk3288";
 53
 54	/delete-node/emmc-pwrseq;
 55};
 56
 57&emmc {
 58	/*
 59	 * Use a pullup instead of a drive since the output is 3.3V and
 60	 * really should be 1.8V (oops).  The external pulldown will help
 61	 * bring the voltage down if we only drive with a pullup here.
 62	 * Therefore disable the powerseq (and actual reset) for pinky.
 63	 */
 64	/delete-property/mmc-pwrseq;
 65	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_reset>;
 66};
 67
 68&gpio_keys {
 69	pinctrl-0 = <&pwr_key_h &ap_lid_int_l>;
 70
 71	power {
 72		gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
 73	};
 74};
 75
 76/* Touchpad connector */
 77&i2c3 {
 78	status = "okay";
 79
 80	clock-frequency = <400000>;
 81	i2c-scl-falling-time-ns = <50>;
 82	i2c-scl-rising-time-ns = <300>;
 83};
 84
 85&pinctrl {
 86	buttons {
 87		pwr_key_h: pwr-key-h {
 88			rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_none>;
 89		};
 90	};
 91
 92	emmc {
 93		emmc_reset: emmc-reset {
 94			rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_up>;
 95		};
 96	};
 97
 98	sdmmc {
 99		sdmmc_wp_gpio: sdmmc-wp-gpio {
100			rockchip,pins = <7 10 RK_FUNC_GPIO &pcfg_pull_up>;
101		};
102	};
103};
104
105&rk808 {
106	regulators {
107		vcc18_lcd: SWITCH_REG2 {
108			regulator-always-on;
109			regulator-boot-on;
110			regulator-name = "vcc18_lcd";
111			regulator-state-mem {
112				regulator-off-in-suspend;
113			};
114		};
115	};
116};
117
118&sdmmc {
119	pinctrl-names = "default";
120	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
121		     &sdmmc_wp_gpio &sdmmc_bus4>;
122	wp-gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>;
123};
124
125&tsadc {
126	/* Some connection is flaky making the tsadc hang the system */
127	status = "disabled";
128};