at91sam9g20ek_common.dtsi
3.87 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
* at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
*
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* Licensed under GPLv2.
*/
#include "at91sam9g20.dtsi"
/ {
chosen {
u-boot,dm-pre-reloc;
stdout-path = &dbgu;
};
memory {
reg = <0x20000000 0x4000000>;
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <18432000>;
};
};
ahb {
apb {
pinctrl@fffff400 {
board {
pinctrl_pck0_as_mck: pck0_as_mck {
atmel,pins =
<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
};
};
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
};
};
};
dbgu: serial@fffff200 {
u-boot,dm-pre-reloc;
status = "okay";
};
usart0: serial@fffb0000 {
pinctrl-0 =
<&pinctrl_usart0
&pinctrl_usart0_rts
&pinctrl_usart0_cts
&pinctrl_usart0_dtr_dsr
&pinctrl_usart0_dcd
&pinctrl_usart0_ri>;
status = "okay";
};
usart1: serial@fffb4000 {
status = "okay";
};
macb0: ethernet@fffc4000 {
phy-mode = "rmii";
status = "okay";
};
usb1: gadget@fffa4000 {
atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
status = "okay";
};
mmc0: mmc@fffa8000 {
pinctrl-0 = <
&pinctrl_board_mmc0_slot1
&pinctrl_mmc0_clk
&pinctrl_mmc0_slot1_cmd_dat0
&pinctrl_mmc0_slot1_dat1_3>;
status = "okay";
slot@1 {
reg = <1>;
bus-width = <4>;
cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
};
};
ssc0: ssc@fffbc000 {
status = "okay";
pinctrl-0 = <&pinctrl_ssc0_tx>;
};
spi0: spi@fffc8000 {
cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
mtd_dataflash@0 {
compatible = "atmel,at45", "atmel,dataflash";
spi-max-frequency = <15000000>;
reg = <1>;
};
};
shdwc@fffffd10 {
atmel,wakeup-counter = <10>;
atmel,wakeup-rtt-timer;
};
rtc@fffffd20 {
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
status = "okay";
};
watchdog@fffffd40 {
status = "okay";
};
gpbr: syscon@fffffd50 {
status = "okay";
};
};
nand0: nand@40000000 {
nand-bus-width = <8>;
nand-ecc-mode = "soft";
nand-on-flash-bbt;
status = "okay";
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x20000>;
};
barebox@20000 {
label = "barebox";
reg = <0x20000 0x40000>;
};
bareboxenv@60000 {
label = "bareboxenv";
reg = <0x60000 0x20000>;
};
bareboxenv2@80000 {
label = "bareboxenv2";
reg = <0x80000 0x20000>;
};
oftree@80000 {
label = "oftree";
reg = <0xa0000 0x20000>;
};
kernel@a0000 {
label = "kernel";
reg = <0xc0000 0x400000>;
};
rootfs@4a0000 {
label = "rootfs";
reg = <0x4c0000 0x7800000>;
};
data@7ca0000 {
label = "data";
reg = <0x7cc0000 0x8340000>;
};
};
usb0: ohci@00500000 {
num-ports = <2>;
status = "okay";
};
};
i2c-gpio-0 {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
24c512@50 {
compatible = "24c512";
reg = <0x50>;
};
wm8731: wm8731@1b {
compatible = "wm8731";
reg = <0x1b>;
};
};
gpio_keys {
compatible = "gpio-keys";
btn3 {
label = "Button 3";
gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
wakeup-source;
};
btn4 {
label = "Button 4";
gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
wakeup-source;
};
};
sound {
compatible = "atmel,at91sam9g20ek-wm8731-audio";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pck0_as_mck>;
atmel,model = "wm8731 @ AT91SAMG20EK";
atmel,audio-routing =
"Ext Spk", "LHPOUT",
"Int Mic", "MICIN";
atmel,ssc-controller = <&ssc0>;
atmel,audio-codec = <&wm8731>;
};
};