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
|
/*
* at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
*
* Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
*
* Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
*
* Licensed under GPLv2 or later.
*/
/dts-v1/;
#include "at91sam9g20.dtsi"
/ {
model = "Acme Systems FoxG20";
compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
chosen {
bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
};
memory {
reg = <0x20000000 0x4000000>;
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <18432000>;
};
};
ahb {
apb {
tcb0: timer@fffa0000 {
timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>, <1>;
};
timer@2 {
compatible = "atmel,tcb-timer";
reg = <2>;
};
};
usb1: gadget@fffa4000 {
atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
status = "okay";
};
mmc0: mmc@fffa8000 {
pinctrl-0 = <
&pinctrl_mmc0_clk
&pinctrl_mmc0_slot1_cmd_dat0
&pinctrl_mmc0_slot1_dat1_3>;
status = "okay";
slot@1 {
reg = <1>;
bus-width = <4>;
};
};
usart0: serial@fffb0000 {
pinctrl-0 =
<&pinctrl_usart0
&pinctrl_usart0_rts
&pinctrl_usart0_cts
>;
status = "okay";
};
usart1: serial@fffb4000 {
status = "okay";
};
usart2: serial@fffb8000 {
status = "okay";
};
macb0: ethernet@fffc4000 {
phy-mode = "rmii";
status = "okay";
};
usart3: serial@fffd0000 {
status = "okay";
};
uart0: serial@fffd4000 {
status = "okay";
};
uart1: serial@fffd8000 {
status = "okay";
};
dbgu: serial@fffff200 {
status = "okay";
};
pinctrl@fffff400 {
board {
pinctrl_pck0_as_mck: pck0_as_mck {
atmel,pins =
<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
};
};
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */
};
};
i2c0 {
pinctrl_i2c0: i2c0-0 {
atmel,pins =
<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */
AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */
};
};
};
watchdog@fffffd40 {
status = "okay";
};
};
usb0: ohci@500000 {
num-ports = <2>;
status = "okay";
};
};
i2c-gpio-0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0>;
i2c-gpio,delay-us = <5>; /* ~85 kHz */
status = "okay";
};
leds {
compatible = "gpio-leds";
/* red LED marked "PC7" near mini USB (device) receptacle */
user_led {
label = "user_led";
gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */
linux,default-trigger = "heartbeat";
};
};
gpio_keys {
compatible = "gpio-keys";
btn {
label = "Button";
gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
wakeup-source;
};
};
};
|
