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

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Google Veyron (and derivatives) board device tree source
   4  * Chromebook specific parts
   5  *
   6  * Copyright 2015 Google, Inc
   7  */
   8
   9 #include <dt-bindings/clock/rockchip,rk808.h>
  10 #include <dt-bindings/input/input.h>
  11 #include "rk3288-veyron.dtsi"
  12 #include "rk3288-veyron-analog-audio.dtsi"
  13 #include "rk3288-veyron-edp.dtsi"
  14 #include "rk3288-veyron-sdmmc.dtsi"
  15
  16 / {
  17         aliases {
  18                 /* Assign 20 so we don't get confused w/ builtin ones */
  19                 i2c20 = &i2c_tunnel;
  20         };
  21
  22         gpio-charger {
  23                 compatible = "gpio-charger";
  24                 charger-type = "mains";
  25                 gpios = <&gpio0 RK_PB0 GPIO_ACTIVE_HIGH>;
  26                 pinctrl-names = "default";
  27                 pinctrl-0 = <&ac_present_ap>;
  28         };
  29
  30         lid_switch: lid-switch {
  31                 compatible = "gpio-keys";
  32                 pinctrl-names = "default";
  33                 pinctrl-0 = <&ap_lid_int_l>;
  34
  35                 lid {
  36                         label = "Lid";
  37                         gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
  38                         wakeup-source;
  39                         linux,code = <SW_LID>;
  40                         linux,input-type = <EV_SW>;
  41                         debounce-interval = <1>;
  42                 };
  43         };
  44
  45         /* A non-regulated voltage from power supply or battery */
  46         vccsys: vccsys {
  47                 compatible = "regulator-fixed";
  48                 regulator-name = "vccsys";
  49                 regulator-boot-on;
  50                 regulator-always-on;
  51         };
  52
  53         vcc33_sys: vcc33-sys {
  54                 vin-supply = <&vccsys>;
  55         };
  56
  57         vcc_5v: vcc-5v {
  58                 vin-supply = <&vccsys>;
  59         };
  60
  61         /* This turns on vbus for host1 (dwc2) */
  62         vcc5_host1: vcc5-host1-regulator {
  63                 compatible = "regulator-fixed";
  64                 enable-active-high;
  65                 gpio = <&gpio0 RK_PB3 GPIO_ACTIVE_HIGH>;
  66                 pinctrl-names = "default";
  67                 pinctrl-0 = <&host1_pwr_en>;
  68                 regulator-name = "vcc5_host1";
  69                 regulator-always-on;
  70                 regulator-boot-on;
  71         };
  72
  73         /* This turns on vbus for otg for host mode (dwc2) */
  74         vcc5v_otg: vcc5v-otg-regulator {
  75                 compatible = "regulator-fixed";
  76                 enable-active-high;
  77                 gpio = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
  78                 pinctrl-names = "default";
  79                 pinctrl-0 = <&usbotg_pwren_h>;
  80                 regulator-name = "vcc5_host2";
  81                 regulator-always-on;
  82                 regulator-boot-on;
  83         };
  84 };
  85
  86 &rk808 {
  87         vcc11-supply = <&vcc_5v>;
  88
  89         regulators {
  90                 vcc33_ccd: LDO_REG8 {
  91                         regulator-name = "vcc33_ccd";
  92                         regulator-always-on;
  93                         regulator-boot-on;
  94                         regulator-min-microvolt = <3300000>;
  95                         regulator-max-microvolt = <3300000>;
  96                         regulator-state-mem {
  97                                 regulator-off-in-suspend;
  98                         };
  99                 };
 100         };
 101 };
 102
 103 &spi0 {
 104         status = "okay";
 105
 106         cros_ec: ec@0 {
 107                 compatible = "google,cros-ec-spi";
 108                 reg = <0>;
 109                 google,cros-ec-spi-pre-delay = <30>;
 110                 interrupt-parent = <&gpio7>;
 111                 interrupts = <RK_PA7 IRQ_TYPE_LEVEL_LOW>;
 112                 pinctrl-names = "default";
 113                 pinctrl-0 = <&ec_int>;
 114                 spi-max-frequency = <3000000>;
 115
 116                 i2c_tunnel: i2c-tunnel {
 117                         compatible = "google,cros-ec-i2c-tunnel";
 118                         google,remote-bus = <0>;
 119                         #address-cells = <1>;
 120                         #size-cells = <0>;
 121                 };
 122         };
 123 };
 124
 125 &i2c4 {
 126         trackpad@15 {
 127                 compatible = "elan,ekth3000";
 128                 reg = <0x15>;
 129                 interrupt-parent = <&gpio7>;
 130                 interrupts = <RK_PA3 IRQ_TYPE_EDGE_FALLING>;
 131                 pinctrl-names = "default";
 132                 pinctrl-0 = <&trackpad_int>;
 133                 vcc-supply = <&vcc33_io>;
 134                 wakeup-source;
 135         };
 136 };
 137
 138 &pinctrl {
 139         buttons {
 140                 ap_lid_int_l: ap-lid-int-l {
 141                         rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
 142                 };
 143         };
 144
 145         charger {
 146                 ac_present_ap: ac-present-ap {
 147                         rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
 148                 };
 149         };
 150
 151         cros-ec {
 152                 ec_int: ec-int {
 153                         rockchip,pins = <7 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
 154                 };
 155         };
 156
 157         suspend {
 158                 suspend_l_wake: suspend-l-wake {
 159                         rockchip,pins = <0 RK_PC1 RK_FUNC_GPIO &pcfg_output_low>;
 160                 };
 161
 162                 suspend_l_sleep: suspend-l-sleep {
 163                         rockchip,pins = <0 RK_PC1 RK_FUNC_GPIO &pcfg_output_high>;
 164                 };
 165         };
 166
 167         trackpad {
 168                 trackpad_int: trackpad-int {
 169                         rockchip,pins = <7 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
 170                 };
 171         };
 172
 173         usb-host {
 174                 host1_pwr_en: host1-pwr-en {
 175                         rockchip,pins = <0 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
 176                 };
 177
 178                 usbotg_pwren_h: usbotg-pwren-h {
 179                         rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
 180                 };
 181         };
 182 };
 183
 184 #include "cros-ec-keyboard.dtsi"