arch/arm/dts/rk3399-nanopc-t4.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * FriendlyElec NanoPC-T4 board device tree source
   4  *
   5  * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
   6  * (http://www.friendlyarm.com)
   7  *
   8  * Copyright (c) 2018 Collabora Ltd.
   9  */
  10
  11 /dts-v1/;
  12 #include "rk3399-nanopi4.dtsi"
  13
  14 / {
  15         model = "FriendlyElec NanoPC-T4";
  16         compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
  17
  18         vcc12v0_sys: vcc12v0-sys {
  19                 compatible = "regulator-fixed";
  20                 regulator-always-on;
  21                 regulator-boot-on;
  22                 regulator-max-microvolt = <12000000>;
  23                 regulator-min-microvolt = <12000000>;
  24                 regulator-name = "vcc12v0_sys";
  25         };
  26
  27         vcc5v0_host0: vcc5v0-host0 {
  28                 compatible = "regulator-fixed";
  29                 regulator-always-on;
  30                 regulator-boot-on;
  31                 regulator-name = "vcc5v0_host0";
  32                 vin-supply = <&vcc5v0_sys>;
  33         };
  34
  35         adc-keys {
  36                 compatible = "adc-keys";
  37                 io-channels = <&saradc 1>;
  38                 io-channel-names = "buttons";
  39                 keyup-threshold-microvolt = <1800000>;
  40                 poll-interval = <100>;
  41
  42                 recovery {
  43                         label = "Recovery";
  44                         linux,code = <KEY_VENDOR>;
  45                         press-threshold-microvolt = <18000>;
  46                 };
  47         };
  48
  49         ir-receiver {
  50                 compatible = "gpio-ir-receiver";
  51                 gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
  52                 pinctrl-names = "default";
  53                 pinctrl-0 = <&ir_rx>;
  54         };
  55 };
  56
  57 &pinctrl {
  58         ir {
  59                 ir_rx: ir-rx {
  60                         /* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
  61                         rockchip,pins = <0 RK_PA6 RK_FUNC_1 &pcfg_pull_none>;
  62                 };
  63         };
  64 };
  65
  66 &sdhci {
  67         mmc-hs400-1_8v;
  68         mmc-hs400-enhanced-strobe;
  69 };
  70
  71 &u2phy0_host {
  72         phy-supply = <&vcc5v0_host0>;
  73 };
  74
  75 &u2phy1_host {
  76         phy-supply = <&vcc5v0_host0>;
  77 };
  78
  79 &vcc5v0_sys {
  80         vin-supply = <&vcc12v0_sys>;
  81 };
  82
  83 &vcc3v3_sys {
  84         vin-supply = <&vcc12v0_sys>;
  85 };
  86
  87 &vbus_typec {
  88         enable-active-high;
  89         gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
  90         vin-supply = <&vcc5v0_sys>;
  91 };