arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi

   1 /*
   2  * Google Veyron (and derivatives) board device tree source
   3  * Chromebook specific parts
   4  *
   5  * Copyright 2015 Google, Inc
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  21  *
  22  *  Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 #include <dt-bindings/clock/rockchip,rk808.h>
  47 #include <dt-bindings/input/input.h>
  48 #include "rk3288-veyron.dtsi"
  49 #include "rk3288-veyron-sdmmc.dtsi"
  50
  51 / {
  52         aliases {
  53                 /* Assign 20 so we don't get confused w/ builtin ones */
  54                 i2c20 = &i2c_tunnel;
  55         };
  56
  57         gpio-charger {
  58                 compatible = "gpio-charger";
  59                 charger-type = "mains";
  60                 gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
  61                 pinctrl-names = "default";
  62                 pinctrl-0 = <&ac_present_ap>;
  63         };
  64
  65         /* A non-regulated voltage from power supply or battery */
  66         vccsys: vccsys {
  67                 compatible = "regulator-fixed";
  68                 regulator-name = "vccsys";
  69                 regulator-boot-on;
  70                 regulator-always-on;
  71         };
  72
  73         vcc33_sys: vcc33-sys {
  74                 vin-supply = <&vccsys>;
  75         };
  76
  77         vcc_5v: vcc-5v {
  78                 vin-supply = <&vccsys>;
  79         };
  80
  81         /* This turns on vbus for host1 (dwc2) */
  82         vcc5_host1: vcc5-host1-regulator {
  83                 compatible = "regulator-fixed";
  84                 enable-active-high;
  85                 gpio = <&gpio0 11 GPIO_ACTIVE_HIGH>;
  86                 pinctrl-names = "default";
  87                 pinctrl-0 = <&host1_pwr_en>;
  88                 regulator-name = "vcc5_host1";
  89                 regulator-always-on;
  90                 regulator-boot-on;
  91         };
  92
  93         /* This turns on vbus for otg for host mode (dwc2) */
  94         vcc5v_otg: vcc5v-otg-regulator {
  95                 compatible = "regulator-fixed";
  96                 enable-active-high;
  97                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  98                 pinctrl-names = "default";
  99                 pinctrl-0 = <&usbotg_pwren_h>;
 100                 regulator-name = "vcc5_host2";
 101                 regulator-always-on;
 102                 regulator-boot-on;
 103         };
 104 };
 105
 106 &gpio_keys {
 107         pinctrl-0 = <&pwr_key_l &ap_lid_int_l>;
 108         lid {
 109                 label = "Lid";
 110                 gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 111                 gpio-key,wakeup;
 112                 linux,code = <0>; /* SW_LID */
 113                 linux,input-type = <5>; /* EV_SW */
 114                 debounce-interval = <1>;
 115         };
 116 };
 117
 118 &rk808 {
 119         vcc11-supply = <&vcc_5v>;
 120
 121         regulators {
 122                 vcc33_ccd: LDO_REG8 {
 123                         regulator-name = "vcc33_ccd";
 124                         regulator-always-on;
 125                         regulator-boot-on;
 126                         regulator-min-microvolt = <3300000>;
 127                         regulator-max-microvolt = <3300000>;
 128                         regulator-state-mem {
 129                                 regulator-on-in-suspend;
 130                                 regulator-suspend-microvolt = <3300000>;
 131                         };
 132                 };
 133         };
 134 };
 135
 136 &spi0 {
 137         status = "okay";
 138
 139         cros_ec: ec@0 {
 140                 compatible = "google,cros-ec-spi";
 141                 reg = <0>;
 142                 google,cros-ec-spi-pre-delay = <30>;
 143                 interrupt-parent = <&gpio7>;
 144                 interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
 145                 pinctrl-names = "default";
 146                 pinctrl-0 = <&ec_int>;
 147                 spi-max-frequency = <3000000>;
 148
 149                 i2c_tunnel: i2c-tunnel {
 150                         compatible = "google,cros-ec-i2c-tunnel";
 151                         google,remote-bus = <0>;
 152                         #address-cells = <1>;
 153                         #size-cells = <0>;
 154                 };
 155         };
 156 };
 157
 158 &i2c4 {
 159         trackpad@15 {
 160                 compatible = "elan,ekth3000";
 161                 reg = <0x15>;
 162                 interrupt-parent = <&gpio7>;
 163                 interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
 164                 pinctrl-names = "default";
 165                 pinctrl-0 = <&trackpad_int>;
 166                 vcc-supply = <&vcc33_io>;
 167                 wakeup-source;
 168         };
 169 };
 170
 171 &pinctrl {
 172         pinctrl-0 = <
 173                 /* Common for sleep and wake, but no owners */
 174                 &global_pwroff
 175
 176                 /* Wake only */
 177                 &suspend_l_wake
 178         >;
 179         pinctrl-1 = <
 180                 /* Common for sleep and wake, but no owners */
 181                 &global_pwroff
 182
 183                 /* Sleep only */
 184                 &suspend_l_sleep
 185         >;
 186
 187         buttons {
 188                 ap_lid_int_l: ap-lid-int-l {
 189                         rockchip,pins = <0 6 RK_FUNC_GPIO &pcfg_pull_up>;
 190                 };
 191         };
 192
 193         charger {
 194                 ac_present_ap: ac-present-ap {
 195                         rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_up>;
 196                 };
 197         };
 198
 199         cros-ec {
 200                 ec_int: ec-int {
 201                         rockchip,pins = <7 7 RK_FUNC_GPIO &pcfg_pull_none>;
 202                 };
 203         };
 204
 205         suspend {
 206                 suspend_l_wake: suspend-l-wake {
 207                         rockchip,pins = <0 17 RK_FUNC_GPIO &pcfg_output_low>;
 208                 };
 209
 210                 suspend_l_sleep: suspend-l-sleep {
 211                         rockchip,pins = <0 17 RK_FUNC_GPIO &pcfg_output_high>;
 212                 };
 213         };
 214
 215         trackpad {
 216                 trackpad_int: trackpad-int {
 217                         rockchip,pins = <7 3 RK_FUNC_GPIO &pcfg_pull_up>;
 218                 };
 219         };
 220
 221         usb-host {
 222                 host1_pwr_en: host1-pwr-en {
 223                         rockchip,pins = <0 11 RK_FUNC_GPIO &pcfg_pull_none>;
 224                 };
 225
 226                 usbotg_pwren_h: usbotg-pwren-h {
 227                         rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>;
 228                 };
 229         };
 230 };
 231
 232 #include "cros-ec-keyboard.dtsi"