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
|
/*
* Device Tree file for Excito Bubba B3
*
* Copyright (C) 2013, Andrew Lunn <andrew@lunn.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Note: This requires a new'ish version of u-boot, which disables the
* L2 cache. If your B3 silently fails to boot, u-boot is probably too
* old. Either upgrade, or consider the following email:
*
* http://lists.debian.org/debian-arm/2012/08/msg00128.html
*/
/dts-v1/;
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
/ {
model = "Excito B3";
compatible = "excito,b3", "marvell,kirkwood-88f6281", "marvell,kirkwood";
memory { /* 512 MB */
device_type = "memory";
reg = <0x00000000 0x20000000>;
};
chosen {
bootargs = "console=ttyS0,115200n8 earlyprintk";
};
mbus {
pcie-controller {
status = "okay";
/* Wifi model has Atheros chipset on pcie port */
pcie@1,0 {
status = "okay";
};
};
};
ocp@f1000000 {
pinctrl: pinctrl@10000 {
pmx_button_power: pmx-button-power {
marvell,pins = "mpp39";
marvell,function = "gpio";
};
pmx_led_green: pmx-led-green {
marvell,pins = "mpp38";
marvell,function = "gpio";
};
pmx_led_red: pmx-led-red {
marvell,pins = "mpp41";
marvell,function = "gpio";
};
pmx_led_blue: pmx-led-blue {
marvell,pins = "mpp42";
marvell,function = "gpio";
};
pmx_beeper: pmx-beeper {
marvell,pins = "mpp40";
marvell,function = "gpio";
};
};
spi@10600 {
status = "okay";
pinctrl-0 = <&pmx_spi>;
pinctrl-names = "default";
m25p16@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "st,m25p16";
reg = <0>;
spi-max-frequency = <40000000>;
mode = <0>;
partition@0 {
reg = <0x0 0xc0000>;
label = "u-boot";
};
partition@c0000 {
reg = <0xc0000 0x20000>;
label = "u-boot env";
};
partition@e0000 {
reg = <0xe0000 0x120000>;
label = "data";
};
};
};
i2c@11000 {
status = "okay";
/*
* There is something on the bus at address 0x64.
* Not yet identified what it is, maybe the eeprom
* for the Atheros WiFi chip?
*/
};
serial@12000 {
/* Internal on test pins, 3.3v TTL
* UART0_RX = Testpoint 65
* UART0_TX = Testpoint 66
* See the Excito Wiki for more details.
*/
pinctrl-0 = <&pmx_uart0>;
pinctrl-names = "default";
status = "okay";
};
sata@80000 {
/* One internal, the second as eSATA */
status = "okay";
nr-ports = <2>;
};
};
gpio-leds {
/*
* There is one LED "port" on the front and the colours
* mix together giving some interesting combinations.
*/
compatible = "gpio-leds";
pinctrl-0 = < &pmx_led_green &pmx_led_red
&pmx_led_blue >;
pinctrl-names = "default";
programming_led {
label = "bubba3:green:programming";
gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
error_led {
label = "bubba3:red:error";
gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
};
active_led {
label = "bubba3:blue:active";
gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-0 = <&pmx_button_power>;
pinctrl-names = "default";
power-button {
/* On the back */
label = "Power Button";
linux,code = <KEY_POWER>;
gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
};
};
beeper: beeper {
/* 4KHz Piezoelectric buzzer */
compatible = "gpio-beeper";
pinctrl-0 = <&pmx_beeper>;
pinctrl-names = "default";
gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
};
};
&mdio {
status = "okay";
ethphy0: ethernet-phy@8 {
device_type = "ethernet-phy";
reg = <8>;
};
ethphy1: ethernet-phy@24 {
device_type = "ethernet-phy";
reg = <24>;
};
};
ð0 {
status = "okay";
ethernet0-port@0 {
phy-handle = <ðphy0>;
};
};
ð1 {
status = "okay";
ethernet1-port@0 {
phy-handle = <ðphy1>;
};
};
|
