arch/arm/dts/mt8183-pumpkin.dts

   1 // SPDX-License-Identifier: GPL-2.0 OR MIT
   2 /*
   3  * Copyright (C) 2021 BayLibre SAS.
   4  * Author: Fabien Parent <fparent@baylibre.com>
   5  */
   6
   7 /dts-v1/;
   8
   9 #include <config.h>
  10 #include "mt8183.dtsi"
  11
  12 / {
  13         model = "MediaTek MT8183 pumpkin board";
  14         compatible = "mediatek,mt8183-pumpkin", "mediatek,mt8183";
  15
  16         memory@40000000 {
  17                 device_type = "memory";
  18                 reg = <0 0x40000000 0 0x80000000>;
  19         };
  20
  21         reserved-memory {
  22                 #address-cells = <2>;
  23                 #size-cells = <2>;
  24                 ranges;
  25
  26                 /* 192 KiB reserved for ARM Trusted Firmware (BL31) */
  27                 bl31_secmon_reserved: secmon@54600000 {
  28                         no-map;
  29                         reg = <0 0x54600000 0x0 0x30000>;
  30                 };
  31
  32                 /* 12 MiB reserved for OP-TEE (BL32)
  33                  * +-----------------------+ 0x43e0_0000
  34                  * |      SHMEM 2MiB       |
  35                  * +-----------------------+ 0x43c0_0000
  36                  * |        | TA_RAM  8MiB |
  37                  * + TZDRAM +--------------+ 0x4340_0000
  38                  * |        | TEE_RAM 2MiB |
  39                  * +-----------------------+ 0x4320_0000
  40                  */
  41                 optee_reserved: optee@43200000 {
  42                         no-map;
  43                         reg = <0 0x43200000 0 0x00c00000>;
  44                 };
  45         };
  46
  47         chosen {
  48                 stdout-path = &uart0;
  49         };
  50
  51         reg_1p8v: regulator-1p8v {
  52                 compatible = "regulator-fixed";
  53                 regulator-name = "fixed-1.8V";
  54                 regulator-min-microvolt = <1800000>;
  55                 regulator-max-microvolt = <1800000>;
  56                 regulator-boot-on;
  57                 regulator-always-on;
  58         };
  59
  60         reg_3p3v: regulator-3p3v {
  61                 compatible = "regulator-fixed";
  62                 regulator-name = "fixed-3.3V";
  63                 regulator-min-microvolt = <3300000>;
  64                 regulator-max-microvolt = <3300000>;
  65                 regulator-boot-on;
  66                 regulator-always-on;
  67         };
  68 };
  69
  70 &watchdog {
  71         status = "okay";
  72 };
  73
  74 &uart0 {
  75         status = "okay";
  76 };
  77
  78 &mmc0 {
  79         bus-width = <4>;
  80         max-frequency = <200000000>;
  81         cap-mmc-highspeed;
  82         mmc-hs200-1_8v;
  83         cap-mmc-hw-reset;
  84         vmmc-supply = <&reg_3p3v>;
  85         vqmmc-supply = <&reg_1p8v>;
  86         non-removable;
  87         status = "okay";
  88 };
  89
  90 &usb {
  91         status = "okay";
  92 };
  93
  94 &ssusb {
  95         mediatek,force-vbus;
  96         maximum-speed = "high-speed";
  97         dr_mode = "peripheral";
  98         status = "okay";
  99 };