arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /* Copyright (c) 2018-2019 SiFive, Inc */
   3
   4 #include "fu540-c000.dtsi"
   5
   6 /* Clock frequency (in Hz) of the PCB crystal for rtcclk */
   7 #define RTCCLK_FREQ             1000000
   8
   9 / {
  10         #address-cells = <2>;
  11         #size-cells = <2>;
  12         model = "SiFive HiFive Unleashed A00";
  13         compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000";
  14
  15         chosen {
  16                 stdout-path = "serial0";
  17         };
  18
  19         cpus {
  20                 timebase-frequency = <RTCCLK_FREQ>;
  21         };
  22
  23         memory@80000000 {
  24                 device_type = "memory";
  25                 reg = <0x0 0x80000000 0x2 0x00000000>;
  26         };
  27
  28         soc {
  29         };
  30
  31         hfclk: hfclk {
  32                 #clock-cells = <0>;
  33                 compatible = "fixed-clock";
  34                 clock-frequency = <33333333>;
  35                 clock-output-names = "hfclk";
  36         };
  37
  38         rtcclk: rtcclk {
  39                 #clock-cells = <0>;
  40                 compatible = "fixed-clock";
  41                 clock-frequency = <RTCCLK_FREQ>;
  42                 clock-output-names = "rtcclk";
  43         };
  44 };
  45
  46 &uart0 {
  47         status = "okay";
  48 };
  49
  50 &uart1 {
  51         status = "okay";
  52 };
  53
  54 &i2c0 {
  55         status = "okay";
  56 };
  57
  58 &qspi0 {
  59         status = "okay";
  60         flash@0 {
  61                 compatible = "issi,is25wp256", "jedec,spi-nor";
  62                 reg = <0>;
  63                 spi-max-frequency = <50000000>;
  64                 m25p,fast-read;
  65                 spi-tx-bus-width = <4>;
  66                 spi-rx-bus-width = <4>;
  67         };
  68 };
  69
  70 &qspi2 {
  71         status = "okay";
  72         mmc@0 {
  73                 compatible = "mmc-spi-slot";
  74                 reg = <0>;
  75                 spi-max-frequency = <20000000>;
  76                 voltage-ranges = <3300 3300>;
  77                 disable-wp;
  78         };
  79 };
  80
  81 &eth0 {
  82         status = "okay";
  83         phy-mode = "gmii";
  84         phy-handle = <&phy0>;
  85         phy0: ethernet-phy@0 {
  86                 reg = <0>;
  87         };
  88 };
  89
  90 &pwm0 {
  91         status = "okay";
  92 };
  93
  94 &pwm1 {
  95         status = "okay";
  96 };
  97
  98 &gpio {
  99         status = "okay";
 100 };