1/*
  2 * Google Veyron Minnie Rev 0+ 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
 48/ {
 49	model = "Google Minnie";
 50	compatible = "google,veyron-minnie-rev4", "google,veyron-minnie-rev3",
 51		     "google,veyron-minnie-rev2", "google,veyron-minnie-rev1",
 52		     "google,veyron-minnie-rev0", "google,veyron-minnie",
 53		     "google,veyron", "rockchip,rk3288";
 54
 55	backlight_regulator: backlight-regulator {
 56		compatible = "regulator-fixed";
 57		enable-active-high;
 58		gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>;
 59		pinctrl-names = "default";
 60		pinctrl-0 = <&bl_pwr_en>;
 61		regulator-name = "backlight_regulator";
 62		vin-supply = <&vcc33_sys>;
 63		startup-delay-us = <15000>;
 64	};
 65
 66	panel_regulator: panel-regulator {
 67		compatible = "regulator-fixed";
 68		enable-active-high;
 69		gpio = <&gpio7 14 GPIO_ACTIVE_HIGH>;
 70		pinctrl-names = "default";
 71		pinctrl-0 = <&lcd_enable_h>;
 72		regulator-name = "panel_regulator";
 73		vin-supply = <&vcc33_sys>;
 74	};
 75
 76	vcc18_lcd: vcc18-lcd {
 77		compatible = "regulator-fixed";
 78		enable-active-high;
 79		gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
 80		pinctrl-names = "default";
 81		pinctrl-0 = <&avdd_1v8_disp_en>;
 82		regulator-name = "vcc18_lcd";
 83		regulator-always-on;
 84		regulator-boot-on;
 85		vin-supply = <&vcc18_wl>;
 86	};
 87};
 88
 89&emmc {
 90	/delete-property/mmc-hs200-1_8v;
 91};
 92
 93&gpio_keys {
 94	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
 95
 96	volum_down {
 97		label = "Volum_down";
 98		gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
 99		linux,code = <KEY_VOLUMEDOWN>;
100		debounce-interval = <100>;
101	};
102
103	volum_up {
104		label = "Volum_up";
105		gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
106		linux,code = <KEY_VOLUMEUP>;
107		debounce-interval = <100>;
108	};
109};
110
111&i2c_tunnel {
112	battery: bq27500@55 {
113		compatible = "ti,bq27500";
114		reg = <0x55>;
115	};
116};
117
118&i2c3 {
119	status = "okay";
120
121	clock-frequency = <400000>;
122	i2c-scl-falling-time-ns = <50>;
123	i2c-scl-rising-time-ns = <300>;
124
125	touchscreen@10 {
126		compatible = "elan,ekth3500";
127		reg = <0x10>;
128		interrupt-parent = <&gpio2>;
129		interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
130		pinctrl-names = "default";
131		pinctrl-0 = <&touch_int &touch_rst>;
132		reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>;
133		vcc33-supply = <&vcc33_touch>;
134		vccio-supply = <&vcc33_touch>;
135	};
136};
137
138&rk808 {
139	pinctrl-names = "default";
140	pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
141
142	regulators {
143		vcc33_touch: LDO_REG2 {
144			regulator-min-microvolt = <3300000>;
145			regulator-max-microvolt = <3300000>;
146			regulator-name = "vcc33_touch";
147			regulator-state-mem {
148				regulator-off-in-suspend;
149			};
150		};
151
152		vcc5v_touch: SWITCH_REG2 {
153			regulator-name = "vcc5v_touch";
154			regulator-state-mem {
155				regulator-off-in-suspend;
156			};
157		};
158	};
159};
160
161&sdmmc {
162	disable-wp;
163	pinctrl-names = "default";
164	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
165			&sdmmc_bus4>;
166};
167
168&vcc_5v {
169	enable-active-high;
170	gpio = <&gpio7 21 GPIO_ACTIVE_HIGH>;
171	pinctrl-names = "default";
172	pinctrl-0 = <&drv_5v>;
173};
174
175&vcc50_hdmi {
176	enable-active-high;
177	gpio = <&gpio5 19 GPIO_ACTIVE_HIGH>;
178	pinctrl-names = "default";
179	pinctrl-0 = <&vcc50_hdmi_en>;
180};
181
182&pinctrl {
183	backlight {
184		bl_pwr_en: bl_pwr_en {
185			rockchip,pins = <2 12 RK_FUNC_GPIO &pcfg_pull_none>;
186		};
187	};
188
189	buck-5v {
190		drv_5v: drv-5v {
191			rockchip,pins = <7 21 RK_FUNC_GPIO &pcfg_pull_none>;
192		};
193	};
194
195	buttons {
196		volum_down_l: volum-down-l {
197			rockchip,pins = <5 11 RK_FUNC_GPIO &pcfg_pull_up>;
198		};
199
200		volum_up_l: volum-up-l {
201			rockchip,pins = <5 10 RK_FUNC_GPIO &pcfg_pull_up>;
202		};
203	};
204
205	hdmi {
206		vcc50_hdmi_en: vcc50-hdmi-en {
207			rockchip,pins = <5 19 RK_FUNC_GPIO &pcfg_pull_none>;
208		};
209	};
210
211	lcd {
212		lcd_enable_h: lcd-en {
213			rockchip,pins = <7 14 RK_FUNC_GPIO &pcfg_pull_none>;
214		};
215
216		avdd_1v8_disp_en: avdd-1v8-disp-en {
217			rockchip,pins = <2 13 RK_FUNC_GPIO &pcfg_pull_none>;
218		};
219	};
220
221	pmic {
222		dvs_1: dvs-1 {
223			rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
224		};
225
226		dvs_2: dvs-2 {
227			rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
228		};
229	};
230
231	prochot {
232		gpio_prochot: gpio-prochot {
233			rockchip,pins = <2 8 RK_FUNC_GPIO &pcfg_pull_none>;
234		};
235	};
236
237	touchscreen {
238		touch_int: touch-int {
239			rockchip,pins = <2 14 RK_FUNC_GPIO &pcfg_pull_none>;
240		};
241
242		touch_rst: touch-rst {
243			rockchip,pins = <2 15 RK_FUNC_GPIO &pcfg_pull_none>;
244		};
245	};
246};