src/riscv/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 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/leds/common.h>
   7 #include <dt-bindings/pwm/pwm.h>
   8
   9 /* Clock frequency (in Hz) of the PCB crystal for rtcclk */
  10 #define RTCCLK_FREQ             1000000
  11
  12 / {
  13         model = "SiFive HiFive Unleashed A00";
  14         compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000",
  15                      "sifive,fu540";
  16
  17         chosen {
  18                 stdout-path = "serial0";
  19         };
  20
  21         cpus {
  22                 timebase-frequency = <RTCCLK_FREQ>;
  23         };
  24
  25         memory@80000000 {
  26                 device_type = "memory";
  27                 reg = <0x0 0x80000000 0x2 0x00000000>;
  28         };
  29
  30         hfclk: hfclk {
  31                 #clock-cells = <0>;
  32                 compatible = "fixed-clock";
  33                 clock-frequency = <33333333>;
  34                 clock-output-names = "hfclk";
  35         };
  36
  37         rtcclk: rtcclk {
  38                 #clock-cells = <0>;
  39                 compatible = "fixed-clock";
  40                 clock-frequency = <RTCCLK_FREQ>;
  41                 clock-output-names = "rtcclk";
  42         };
  43         gpio-restart {
  44                 compatible = "gpio-restart";
  45                 gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  46         };
  47
  48         led-controller {
  49                 compatible = "pwm-leds";
  50
  51                 led-d1 {
  52                         pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>;
  53                         active-low;
  54                         color = <LED_COLOR_ID_GREEN>;
  55                         max-brightness = <255>;
  56                         label = "d1";
  57                 };
  58
  59                 led-d2 {
  60                         pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>;
  61                         active-low;
  62                         color = <LED_COLOR_ID_GREEN>;
  63                         max-brightness = <255>;
  64                         label = "d2";
  65                 };
  66
  67                 led-d3 {
  68                         pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>;
  69                         active-low;
  70                         color = <LED_COLOR_ID_GREEN>;
  71                         max-brightness = <255>;
  72                         label = "d3";
  73                 };
  74
  75                 led-d4 {
  76                         pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>;
  77                         active-low;
  78                         color = <LED_COLOR_ID_GREEN>;
  79                         max-brightness = <255>;
  80                         label = "d4";
  81                 };
  82         };
  83 };
  84
  85 &uart0 {
  86         status = "okay";
  87 };
  88
  89 &uart1 {
  90         status = "okay";
  91 };
  92
  93 &i2c0 {
  94         status = "okay";
  95 };
  96
  97 &qspi0 {
  98         status = "okay";
  99         flash@0 {
 100                 compatible = "jedec,spi-nor";
 101                 reg = <0>;
 102                 spi-max-frequency = <50000000>;
 103                 m25p,fast-read;
 104                 spi-tx-bus-width = <4>;
 105                 spi-rx-bus-width = <4>;
 106         };
 107 };
 108
 109 &qspi2 {
 110         status = "okay";
 111         mmc@0 {
 112                 compatible = "mmc-spi-slot";
 113                 reg = <0>;
 114                 spi-max-frequency = <20000000>;
 115                 voltage-ranges = <3300 3300>;
 116                 disable-wp;
 117                 gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 118         };
 119 };
 120
 121 &eth0 {
 122         status = "okay";
 123         phy-mode = "gmii";
 124         phy-handle = <&phy0>;
 125         phy0: ethernet-phy@0 {
 126                 compatible = "ethernet-phy-id0007.0771";
 127                 reg = <0>;
 128         };
 129 };
 130
 131 &pwm0 {
 132         status = "okay";
 133 };
 134
 135 &pwm1 {
 136         status = "okay";
 137 };
 138
 139 &gpio {
 140         status = "okay";
 141 };