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Wenyou Yang627e41f2017-04-18 13:49:37 +08001/*
2 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
3 *
4 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 *
6 * Licensed under GPLv2.
7 */
8#include "at91sam9g20.dtsi"
9
10/ {
11 chosen {
12 u-boot,dm-pre-reloc;
13 stdout-path = &dbgu;
14 };
15
16 memory {
17 reg = <0x20000000 0x4000000>;
18 };
19
20 clocks {
21 slow_xtal {
22 clock-frequency = <32768>;
23 };
24
25 main_xtal {
26 clock-frequency = <18432000>;
27 };
28 };
29
30 ahb {
31 apb {
32 pinctrl@fffff400 {
33 board {
34 pinctrl_pck0_as_mck: pck0_as_mck {
35 atmel,pins =
36 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
37 };
38
39 };
40
41 mmc0_slot1 {
42 pinctrl_board_mmc0_slot1: mmc0_slot1-board {
43 atmel,pins =
44 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
45 };
46 };
47 };
48
49 dbgu: serial@fffff200 {
50 u-boot,dm-pre-reloc;
51 status = "okay";
52 };
53
54 usart0: serial@fffb0000 {
55 pinctrl-0 =
56 <&pinctrl_usart0
57 &pinctrl_usart0_rts
58 &pinctrl_usart0_cts
59 &pinctrl_usart0_dtr_dsr
60 &pinctrl_usart0_dcd
61 &pinctrl_usart0_ri>;
62 status = "okay";
63 };
64
65 usart1: serial@fffb4000 {
66 status = "okay";
67 };
68
69 macb0: ethernet@fffc4000 {
70 phy-mode = "rmii";
71 status = "okay";
72 };
73
74 usb1: gadget@fffa4000 {
75 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
76 status = "okay";
77 };
78
79 mmc0: mmc@fffa8000 {
80 pinctrl-0 = <
81 &pinctrl_board_mmc0_slot1
82 &pinctrl_mmc0_clk
83 &pinctrl_mmc0_slot1_cmd_dat0
84 &pinctrl_mmc0_slot1_dat1_3>;
85 status = "okay";
86 slot@1 {
87 reg = <1>;
88 bus-width = <4>;
89 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
90 };
91 };
92
93 ssc0: ssc@fffbc000 {
94 status = "okay";
95 pinctrl-0 = <&pinctrl_ssc0_tx>;
96 };
97
98 spi0: spi@fffc8000 {
99 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
100 mtd_dataflash@0 {
101 compatible = "atmel,at45", "atmel,dataflash";
Wenyou.Yang@microchip.comf166af82017-07-21 13:40:11 +0800102 spi-max-frequency = <15000000>;
Wenyou Yang627e41f2017-04-18 13:49:37 +0800103 reg = <1>;
104 };
105 };
106
107 shdwc@fffffd10 {
108 atmel,wakeup-counter = <10>;
109 atmel,wakeup-rtt-timer;
110 };
111
112 rtc@fffffd20 {
113 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
114 status = "okay";
115 };
116
117 watchdog@fffffd40 {
118 status = "okay";
119 };
120
121 gpbr: syscon@fffffd50 {
122 status = "okay";
123 };
124 };
125
126 nand0: nand@40000000 {
127 nand-bus-width = <8>;
128 nand-ecc-mode = "soft";
129 nand-on-flash-bbt;
130 status = "okay";
131
132 at91bootstrap@0 {
133 label = "at91bootstrap";
134 reg = <0x0 0x20000>;
135 };
136
137 barebox@20000 {
138 label = "barebox";
139 reg = <0x20000 0x40000>;
140 };
141
142 bareboxenv@60000 {
143 label = "bareboxenv";
144 reg = <0x60000 0x20000>;
145 };
146
147 bareboxenv2@80000 {
148 label = "bareboxenv2";
149 reg = <0x80000 0x20000>;
150 };
151
152 oftree@80000 {
153 label = "oftree";
154 reg = <0xa0000 0x20000>;
155 };
156
157 kernel@a0000 {
158 label = "kernel";
159 reg = <0xc0000 0x400000>;
160 };
161
162 rootfs@4a0000 {
163 label = "rootfs";
164 reg = <0x4c0000 0x7800000>;
165 };
166
167 data@7ca0000 {
168 label = "data";
169 reg = <0x7cc0000 0x8340000>;
170 };
171 };
172
173 usb0: ohci@00500000 {
174 num-ports = <2>;
175 status = "okay";
176 };
177 };
178
179 i2c-gpio-0 {
180 #address-cells = <1>;
181 #size-cells = <0>;
182 status = "okay";
183
184 24c512@50 {
185 compatible = "24c512";
186 reg = <0x50>;
187 };
188
189 wm8731: wm8731@1b {
190 compatible = "wm8731";
191 reg = <0x1b>;
192 };
193 };
194
195 gpio_keys {
196 compatible = "gpio-keys";
197
198 btn3 {
199 label = "Button 3";
200 gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
201 linux,code = <0x103>;
202 wakeup-source;
203 };
204
205 btn4 {
206 label = "Button 4";
207 gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
208 linux,code = <0x104>;
209 wakeup-source;
210 };
211 };
212
213 sound {
214 compatible = "atmel,at91sam9g20ek-wm8731-audio";
215 pinctrl-names = "default";
216 pinctrl-0 = <&pinctrl_pck0_as_mck>;
217
218 atmel,model = "wm8731 @ AT91SAMG20EK";
219
220 atmel,audio-routing =
221 "Ext Spk", "LHPOUT",
222 "Int Mic", "MICIN";
223
224 atmel,ssc-controller = <&ssc0>;
225 atmel,audio-codec = <&wm8731>;
226 };
227};