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         aliases {
  11                 spi0 = &spi1;
  12         };
  13
  14         chosen {
  15                 u-boot,spl-boot-order = "same-as-spl", &spi_flash, &sdhci, &sdmmc;
  16         };
  17
  18         config {
  19                 u-boot,spl-payload-offset = <0x60000>; /* @ 384KB */
  20         };
  21
  22         vcc_hub_en: vcc_hub_en-regulator {
  23                 compatible = "regulator-fixed";
  24                 enable-active-high;
  25                 gpio = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
  26                 pinctrl-names = "default";
  27                 pinctrl-0 = <&hub_rst>;
  28                 regulator-name = "vcc_hub_en";
  29                 regulator-always-on;
  30         };
  31 };
  32
  33 /*
  34  * should be placed inside mp8859, but not until mp8859 has
  35  * its own dt-binding.
  36  */
  37 &dc_12v {
  38         compatible = "regulator-fixed";
  39         regulator-name = "dc_12v";
  40         regulator-always-on;
  41         regulator-boot-on;
  42         regulator-min-microvolt = <12000000>;
  43         regulator-max-microvolt = <12000000>;
  44         vin-supply = <&vcc_vbus_typec0>;
  45 };
  46
  47 &spi1 {
  48         spi_flash: flash@0 {
  49                 u-boot,dm-pre-reloc;
  50         };
  51 };
  52
  53 &vdd_log {
  54         regulator-min-microvolt = <430000>;
  55         regulator-init-microvolt = <950000>;
  56 };
  57
  58 &vcc5v0_host {
  59         regulator-always-on;
  60 };
  61
  62 &vcc_sys {
  63         regulator-always-on;
  64 };
  65
  66 &vcc_sdio {
  67         regulator-always-on;
  68 };