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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 | ||
27aa7199 | 36 | ocp@f1000000 { |
a9483969 | 37 | pinctrl: pin-controller@10000 { |
27aa7199 AL |
38 | pmx_button_power: pmx-button-power { |
39 | marvell,pins = "mpp39"; | |
40 | marvell,function = "gpio"; | |
41 | }; | |
42 | pmx_led_green: pmx-led-green { | |
43 | marvell,pins = "mpp38"; | |
44 | marvell,function = "gpio"; | |
45 | }; | |
46 | pmx_led_red: pmx-led-red { | |
47 | marvell,pins = "mpp41"; | |
48 | marvell,function = "gpio"; | |
49 | }; | |
50 | pmx_led_blue: pmx-led-blue { | |
51 | marvell,pins = "mpp42"; | |
52 | marvell,function = "gpio"; | |
53 | }; | |
54 | pmx_beeper: pmx-beeper { | |
55 | marvell,pins = "mpp40"; | |
56 | marvell,function = "gpio"; | |
57 | }; | |
58 | }; | |
59 | ||
60 | spi@10600 { | |
61 | status = "okay"; | |
27aa7199 AL |
62 | |
63 | m25p16@0 { | |
64 | #address-cells = <1>; | |
65 | #size-cells = <1>; | |
943d45aa | 66 | compatible = "st,m25p16", "jedec,spi-nor"; |
27aa7199 AL |
67 | reg = <0>; |
68 | spi-max-frequency = <40000000>; | |
69 | mode = <0>; | |
70 | ||
71 | partition@0 { | |
72 | reg = <0x0 0xc0000>; | |
73 | label = "u-boot"; | |
74 | }; | |
75 | ||
76 | partition@c0000 { | |
77 | reg = <0xc0000 0x20000>; | |
78 | label = "u-boot env"; | |
79 | }; | |
80 | ||
81 | partition@e0000 { | |
82 | reg = <0xe0000 0x120000>; | |
83 | label = "data"; | |
84 | }; | |
85 | }; | |
86 | }; | |
87 | ||
88 | i2c@11000 { | |
89 | status = "okay"; | |
90 | /* | |
91 | * There is something on the bus at address 0x64. | |
92 | * Not yet identified what it is, maybe the eeprom | |
93 | * for the Atheros WiFi chip? | |
94 | */ | |
95 | }; | |
96 | ||
97 | ||
98 | serial@12000 { | |
99 | /* Internal on test pins, 3.3v TTL | |
100 | * UART0_RX = Testpoint 65 | |
101 | * UART0_TX = Testpoint 66 | |
102 | * See the Excito Wiki for more details. | |
103 | */ | |
27aa7199 AL |
104 | status = "okay"; |
105 | }; | |
106 | ||
107 | sata@80000 { | |
108 | /* One internal, the second as eSATA */ | |
109 | status = "okay"; | |
110 | nr-ports = <2>; | |
111 | }; | |
112 | }; | |
113 | ||
114 | gpio-leds { | |
115 | /* | |
116 | * There is one LED "port" on the front and the colours | |
117 | * mix together giving some interesting combinations. | |
118 | */ | |
119 | compatible = "gpio-leds"; | |
120 | pinctrl-0 = < &pmx_led_green &pmx_led_red | |
121 | &pmx_led_blue >; | |
122 | pinctrl-names = "default"; | |
123 | ||
124 | programming_led { | |
125 | label = "bubba3:green:programming"; | |
126 | gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; | |
127 | default-state = "off"; | |
128 | }; | |
129 | ||
130 | error_led { | |
131 | label = "bubba3:red:error"; | |
132 | gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; | |
133 | }; | |
134 | ||
135 | active_led { | |
136 | label = "bubba3:blue:active"; | |
137 | gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; | |
138 | }; | |
139 | }; | |
140 | ||
141 | gpio-keys { | |
142 | compatible = "gpio-keys"; | |
143 | pinctrl-0 = <&pmx_button_power>; | |
144 | pinctrl-names = "default"; | |
145 | ||
146 | power-button { | |
147 | /* On the back */ | |
148 | label = "Power Button"; | |
149 | linux,code = <KEY_POWER>; | |
150 | gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; | |
151 | }; | |
152 | }; | |
153 | ||
154 | beeper: beeper { | |
155 | /* 4KHz Piezoelectric buzzer */ | |
156 | compatible = "gpio-beeper"; | |
157 | pinctrl-0 = <&pmx_beeper>; | |
158 | pinctrl-names = "default"; | |
159 | gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>; | |
160 | }; | |
161 | }; | |
162 | ||
163 | &mdio { | |
164 | status = "okay"; | |
165 | ||
166 | ethphy0: ethernet-phy@8 { | |
167 | device_type = "ethernet-phy"; | |
168 | reg = <8>; | |
169 | }; | |
170 | ||
171 | ethphy1: ethernet-phy@24 { | |
172 | device_type = "ethernet-phy"; | |
173 | reg = <24>; | |
174 | }; | |
175 | }; | |
176 | ||
177 | ð0 { | |
178 | status = "okay"; | |
179 | ethernet0-port@0 { | |
180 | phy-handle = <ðphy0>; | |
181 | }; | |
182 | }; | |
183 | ||
184 | ð1 { | |
185 | status = "okay"; | |
186 | ethernet1-port@0 { | |
187 | phy-handle = <ðphy1>; | |
188 | }; | |
189 | }; | |
190 | ||
eb13cf83 AL |
191 | /* Wifi model has Atheros chipset on pcie port */ |
192 | &pciec { | |
193 | status = "okay"; | |
194 | }; | |
195 | ||
196 | &pcie0 { | |
197 | status = "okay"; | |
198 | }; |