1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 /*
3 * Device Tree file for Cirrus Logic EDB9302 board based on EP9302 SoC
4 */
5 /dts-v1/;
6 #include "ep93xx.dtsi"
7
8 / {
9 #address-cells = <1>;
10 #size-cells = <1>;
11 compatible = "cirrus,edb9302", "cirrus,ep9301";
12 model = "cirrus,edb9302";
13
14 chosen {
15 };
16
17 memory@0 {
18 device_type = "memory";
19 /* should be set from ATAGS */
20 reg = <0x0000000 0x800000>,
21 <0x1000000 0x800000>,
22 <0x4000000 0x800000>,
23 <0x5000000 0x800000>;
24 };
25
26 sound {
27 compatible = "audio-graph-card2";
28 label = "EDB93XX";
29 links = <&i2s_port>;
30 };
31
32 leds {
33 compatible = "gpio-leds";
34 led-0 {
35 label = "grled";
36 gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
37 linux,default-trigger = "heartbeat";
38 function = LED_FUNCTION_HEARTBEAT;
39 };
40
41 led-1 {
42 label = "rdled";
43 gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
44 function = LED_FUNCTION_FAULT;
45 };
46 };
47 };
48
49 &adc {
50 status = "okay";
51 };
52
53 &ebi {
54 flash@60000000 {
55 compatible = "cfi-flash";
56 reg = <0x60000000 0x1000000>;
57 bank-width = <2>;
58 };
59 };
60
61 ð0 {
62 phy-handle = <&phy0>;
63 };
64
65 &gpio0 {
66 gpio-ranges = <&syscon 0 153 1>,
67 <&syscon 1 152 1>,
68 <&syscon 2 151 1>,
69 <&syscon 3 148 1>,
70 <&syscon 4 147 1>,
71 <&syscon 5 146 1>,
72 <&syscon 6 145 1>,
73 <&syscon 7 144 1>;
74 };
75
76 &gpio1 {
77 gpio-ranges = <&syscon 0 143 1>,
78 <&syscon 1 142 1>,
79 <&syscon 2 141 1>,
80 <&syscon 3 140 1>,
81 <&syscon 4 165 1>,
82 <&syscon 5 164 1>,
83 <&syscon 6 163 1>,
84 <&syscon 7 160 1>;
85 };
86
87 &gpio2 {
88 gpio-ranges = <&syscon 0 115 1>;
89 };
90
91 /* edb9302 doesn't have GPIO Port D present */
92 &gpio3 {
93 status = "disabled";
94 };
95
96 &gpio4 {
97 gpio-ranges = <&syscon 0 97 2>;
98 };
99
100 &gpio5 {
101 gpio-ranges = <&syscon 1 170 1>,
102 <&syscon 2 169 1>,
103 <&syscon 3 168 1>;
104 };
105
106 &gpio6 {
107 gpio-ranges = <&syscon 0 87 2>;
108 };
109
110 &gpio7 {
111 gpio-ranges = <&syscon 2 199 4>;
112 };
113
114 &i2s {
115 pinctrl-names = "default";
116 pinctrl-0 = <&i2s_on_ac97_pins>;
117 status = "okay";
118 i2s_port: port {
119 i2s_ep: endpoint {
120 system-clock-direction-out;
121 frame-master;
122 bitclock-master;
123 mclk-fs = <256>;
124 dai-format = "i2s";
125 convert-channels = <2>;
126 convert-sample-format = "s32_le";
127 remote-endpoint = <&codec_ep>;
128 };
129 };
130 };
131
132 &mdio0 {
133 phy0: ethernet-phy@1 {
134 reg = <1>;
135 device_type = "ethernet-phy";
136 };
137 };
138
139 &spi0 {
140 cs-gpios = <&gpio0 6 GPIO_ACTIVE_LOW
141 &gpio0 7 GPIO_ACTIVE_LOW>;
142 dmas = <&dma1 10 2>, <&dma1 10 1>;
143 dma-names = "rx", "tx";
144 status = "okay";
145
146 cs4271: codec@0 {
147 compatible = "cirrus,cs4271";
148 reg = <0>;
149 #sound-dai-cells = <0>;
150 spi-max-frequency = <6000000>;
151 spi-cpol;
152 spi-cpha;
153 reset-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
154 port {
155 codec_ep: endpoint {
156 remote-endpoint = <&i2s_ep>;
157 };
158 };
159 };
160
161 at25f1024: eeprom@1 {
162 compatible = "atmel,at25";
163 reg = <1>;
164 address-width = <8>;
165 size = <0x20000>;
166 pagesize = <256>;
167 spi-max-frequency = <20000000>;
168 };
169 };
170
171 &uart0 {
172 status = "okay";
173 };
174
175 &uart1 {
176 status = "okay";
177 };
178
179 &usb0 {
180 status = "okay";
181 };
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