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 ð0 {
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 };
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