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&edp { 69 /delete-property/pinctrl-names; 70 /delete-property/pinctrl-0; 71 72 force-hpd; 73}; 74 75&gpio_keys { 76 pinctrl-0 = <&pwr_key_h &ap_lid_int_l>; 77 78 power { 79 gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>; 80 }; 81}; 82 83/* Touchpad connector */ 84&i2c3 { 85 status = "okay"; 86 87 clock-frequency = <400000>; 88 i2c-scl-falling-time-ns = <50>; 89 i2c-scl-rising-time-ns = <300>; 90}; 91 92&pinctrl { 93 buttons { 94 pwr_key_h: pwr-key-h { 95 rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_none>; 96 }; 97 }; 98 99 emmc { 100 emmc_reset: emmc-reset { 101 rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_up>; 102 }; 103 }; 104 105 sdmmc { 106 sdmmc_wp_gpio: sdmmc-wp-gpio { 107 rockchip,pins = <7 10 RK_FUNC_GPIO &pcfg_pull_up>; 108 }; 109 }; 110}; 111 112&rk808 { 113 regulators { 114 vcc18_lcd: SWITCH_REG2 { 115 regulator-always-on; 116 regulator-boot-on; 117 regulator-name = "vcc18_lcd"; 118 regulator-state-mem { 119 regulator-off-in-suspend; 120 }; 121 }; 122 }; 123}; 124 125&sdmmc { 126 pinctrl-names = "default"; 127 pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio 128 &sdmmc_wp_gpio &sdmmc_bus4>; 129 wp-gpios = <&gpio7 RK_PB2 GPIO_ACTIVE_HIGH>; 130}; 131 132&tsadc { 133 /* Some connection is flaky making the tsadc hang the system */ 134 status = "disabled"; 135}; 136