arch/arm/dts/rk3399-roc-pc-u-boot.dtsi

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2019 Levin Du <djw@t-chip.com.cn>
   4  */
   5
   6 #include "rk3399-u-boot.dtsi"
   7 #include "rk3399-sdram-lpddr4-100.dtsi"
   8
   9 / {
  10         vcc_hub_en: vcc_hub_en-regulator {
  11                 compatible = "regulator-fixed";
  12                 enable-active-high;
  13                 gpio = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
  14                 pinctrl-names = "default";
  15                 pinctrl-0 = <&hub_rst>;
  16                 regulator-name = "vcc_hub_en";
  17                 regulator-always-on;
  18         };
  19 };
  20
  21 /*
  22  * should be placed inside mp8859, but not until mp8859 has
  23  * its own dt-binding.
  24  */
  25 &dc_12v {
  26         compatible = "regulator-fixed";
  27         regulator-name = "dc_12v";
  28         regulator-always-on;
  29         regulator-boot-on;
  30         regulator-min-microvolt = <12000000>;
  31         regulator-max-microvolt = <12000000>;
  32         vin-supply = <&vcc_vbus_typec0>;
  33 };
  34
  35 &gpio4 {
  36         bootph-pre-ram;
  37 };
  38
  39 &spi1 {
  40         flash@0 {
  41                 bootph-pre-ram;
  42                 bootph-some-ram;
  43         };
  44 };
  45
  46 &vcc3v0_sd {
  47         bootph-pre-ram;
  48 };
  49
  50 &vcc3v0_sd_en {
  51         bootph-pre-ram;
  52 };
  53
  54 &vcc5v0_host {
  55         regulator-always-on;
  56 };
  57
  58 &vcc_sdio {
  59         regulator-always-on;
  60 };
  61
  62 &vcc_sys {
  63         regulator-always-on;
  64 };
  65
  66 &vdd_log {
  67         regulator-min-microvolt = <430000>;
  68         regulator-init-microvolt = <950000>;
  69 };