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 7/* Clock frequency (in Hz) of the PCB crystal for rtcclk */ 8#define RTCCLK_FREQ 1000000 9 10/ { 11 #address-cells = <2>; 12 #size-cells = <2>; 13 model = "SiFive HiFive Unleashed A00"; 14 compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000"; 15 16 chosen { 17 stdout-path = "serial0"; 18 }; 19 20 cpus { 21 timebase-frequency = <RTCCLK_FREQ>; 22 }; 23 24 memory@80000000 { 25 device_type = "memory"; 26 reg = <0x0 0x80000000 0x2 0x00000000>; 27 }; 28 29 soc { 30 }; 31 32 hfclk: hfclk { 33 #clock-cells = <0>; 34 compatible = "fixed-clock"; 35 clock-frequency = <33333333>; 36 clock-output-names = "hfclk"; 37 }; 38 39 rtcclk: rtcclk { 40 #clock-cells = <0>; 41 compatible = "fixed-clock"; 42 clock-frequency = <RTCCLK_FREQ>; 43 clock-output-names = "rtcclk"; 44 }; 45 gpio-restart { 46 compatible = "gpio-restart"; 47 gpios = <&gpio 10 GPIO_ACTIVE_LOW>; 48 }; 49}; 50 51&uart0 { 52 status = "okay"; 53}; 54 55&uart1 { 56 status = "okay"; 57}; 58 59&i2c0 { 60 status = "okay"; 61}; 62 63&qspi0 { 64 status = "okay"; 65 flash@0 { 66 compatible = "issi,is25wp256", "jedec,spi-nor"; 67 reg = <0>; 68 spi-max-frequency = <50000000>; 69 m25p,fast-read; 70 spi-tx-bus-width = <4>; 71 spi-rx-bus-width = <4>; 72 }; 73}; 74 75&qspi2 { 76 status = "okay"; 77 mmc@0 { 78 compatible = "mmc-spi-slot"; 79 reg = <0>; 80 spi-max-frequency = <20000000>; 81 voltage-ranges = <3300 3300>; 82 disable-wp; 83 }; 84}; 85 86ð0 { 87 status = "okay"; 88 phy-mode = "gmii"; 89 phy-handle = <&phy0>; 90 phy0: ethernet-phy@0 { 91 reg = <0>; 92 }; 93}; 94 95&pwm0 { 96 status = "okay"; 97}; 98 99&pwm1 { 100 status = "okay"; 101}; 102 103&gpio { 104 status = "okay"; 105}; 106