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27aa7199 AL |
1 | /* |
2 | * Device Tree file for Excito Bubba B3 | |
3 | * | |
4 | * Copyright (C) 2013, Andrew Lunn <andrew@lunn.ch> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * Note: This requires a new'ish version of u-boot, which disables the | |
12 | * L2 cache. If your B3 silently fails to boot, u-boot is probably too | |
13 | * old. Either upgrade, or consider the following email: | |
14 | * | |
15 | * http://lists.debian.org/debian-arm/2012/08/msg00128.html | |
16 | */ | |
17 | ||
18 | /dts-v1/; | |
19 | ||
20 | #include "kirkwood.dtsi" | |
21 | #include "kirkwood-6281.dtsi" | |
22 | ||
23 | / { | |
24 | model = "Excito B3"; | |
25 | compatible = "excito,b3", "marvell,kirkwood-88f6281", "marvell,kirkwood"; | |
26 | memory { /* 512 MB */ | |
27 | device_type = "memory"; | |
28 | reg = <0x00000000 0x20000000>; | |
29 | }; | |
30 | ||
31 | chosen { | |
32 | bootargs = "console=ttyS0,115200n8 earlyprintk"; | |
ab833614 | 33 | stdout-path = &uart0; |
27aa7199 AL |
34 | }; |
35 | ||
36 | mbus { | |
37 | pcie-controller { | |
38 | status = "okay"; | |
39 | ||
40 | /* Wifi model has Atheros chipset on pcie port */ | |
41 | pcie@1,0 { | |
42 | status = "okay"; | |
43 | }; | |
44 | }; | |
45 | }; | |
46 | ||
47 | ocp@f1000000 { | |
a9483969 | 48 | pinctrl: pin-controller@10000 { |
27aa7199 AL |
49 | pmx_button_power: pmx-button-power { |
50 | marvell,pins = "mpp39"; | |
51 | marvell,function = "gpio"; | |
52 | }; | |
53 | pmx_led_green: pmx-led-green { | |
54 | marvell,pins = "mpp38"; | |
55 | marvell,function = "gpio"; | |
56 | }; | |
57 | pmx_led_red: pmx-led-red { | |
58 | marvell,pins = "mpp41"; | |
59 | marvell,function = "gpio"; | |
60 | }; | |
61 | pmx_led_blue: pmx-led-blue { | |
62 | marvell,pins = "mpp42"; | |
63 | marvell,function = "gpio"; | |
64 | }; | |
65 | pmx_beeper: pmx-beeper { | |
66 | marvell,pins = "mpp40"; | |
67 | marvell,function = "gpio"; | |
68 | }; | |
69 | }; | |
70 | ||
71 | spi@10600 { | |
72 | status = "okay"; | |
27aa7199 AL |
73 | |
74 | m25p16@0 { | |
75 | #address-cells = <1>; | |
76 | #size-cells = <1>; | |
943d45aa | 77 | compatible = "st,m25p16", "jedec,spi-nor"; |
27aa7199 AL |
78 | reg = <0>; |
79 | spi-max-frequency = <40000000>; | |
80 | mode = <0>; | |
81 | ||
82 | partition@0 { | |
83 | reg = <0x0 0xc0000>; | |
84 | label = "u-boot"; | |
85 | }; | |
86 | ||
87 | partition@c0000 { | |
88 | reg = <0xc0000 0x20000>; | |
89 | label = "u-boot env"; | |
90 | }; | |
91 | ||
92 | partition@e0000 { | |
93 | reg = <0xe0000 0x120000>; | |
94 | label = "data"; | |
95 | }; | |
96 | }; | |
97 | }; | |
98 | ||
99 | i2c@11000 { | |
100 | status = "okay"; | |
101 | /* | |
102 | * There is something on the bus at address 0x64. | |
103 | * Not yet identified what it is, maybe the eeprom | |
104 | * for the Atheros WiFi chip? | |
105 | */ | |
106 | }; | |
107 | ||
108 | ||
109 | serial@12000 { | |
110 | /* Internal on test pins, 3.3v TTL | |
111 | * UART0_RX = Testpoint 65 | |
112 | * UART0_TX = Testpoint 66 | |
113 | * See the Excito Wiki for more details. | |
114 | */ | |
27aa7199 AL |
115 | status = "okay"; |
116 | }; | |
117 | ||
118 | sata@80000 { | |
119 | /* One internal, the second as eSATA */ | |
120 | status = "okay"; | |
121 | nr-ports = <2>; | |
122 | }; | |
123 | }; | |
124 | ||
125 | gpio-leds { | |
126 | /* | |
127 | * There is one LED "port" on the front and the colours | |
128 | * mix together giving some interesting combinations. | |
129 | */ | |
130 | compatible = "gpio-leds"; | |
131 | pinctrl-0 = < &pmx_led_green &pmx_led_red | |
132 | &pmx_led_blue >; | |
133 | pinctrl-names = "default"; | |
134 | ||
135 | programming_led { | |
136 | label = "bubba3:green:programming"; | |
137 | gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; | |
138 | default-state = "off"; | |
139 | }; | |
140 | ||
141 | error_led { | |
142 | label = "bubba3:red:error"; | |
143 | gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; | |
144 | }; | |
145 | ||
146 | active_led { | |
147 | label = "bubba3:blue:active"; | |
148 | gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; | |
149 | }; | |
150 | }; | |
151 | ||
152 | gpio-keys { | |
153 | compatible = "gpio-keys"; | |
154 | pinctrl-0 = <&pmx_button_power>; | |
155 | pinctrl-names = "default"; | |
156 | ||
157 | power-button { | |
158 | /* On the back */ | |
159 | label = "Power Button"; | |
160 | linux,code = <KEY_POWER>; | |
161 | gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; | |
162 | }; | |
163 | }; | |
164 | ||
165 | beeper: beeper { | |
166 | /* 4KHz Piezoelectric buzzer */ | |
167 | compatible = "gpio-beeper"; | |
168 | pinctrl-0 = <&pmx_beeper>; | |
169 | pinctrl-names = "default"; | |
170 | gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>; | |
171 | }; | |
172 | }; | |
173 | ||
174 | &mdio { | |
175 | status = "okay"; | |
176 | ||
177 | ethphy0: ethernet-phy@8 { | |
178 | device_type = "ethernet-phy"; | |
179 | reg = <8>; | |
180 | }; | |
181 | ||
182 | ethphy1: ethernet-phy@24 { | |
183 | device_type = "ethernet-phy"; | |
184 | reg = <24>; | |
185 | }; | |
186 | }; | |
187 | ||
188 | ð0 { | |
189 | status = "okay"; | |
190 | ethernet0-port@0 { | |
191 | phy-handle = <ðphy0>; | |
192 | }; | |
193 | }; | |
194 | ||
195 | ð1 { | |
196 | status = "okay"; | |
197 | ethernet1-port@0 { | |
198 | phy-handle = <ðphy1>; | |
199 | }; | |
200 | }; | |
201 |