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1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Device Tree file for Excito Bubba B3
4 *
5 * Copyright (C) 2013, Andrew Lunn <andrew@lunn.ch>
6 *
7 *
8 * Note: This requires a new'ish version of u-boot, which disables the
9 * L2 cache. If your B3 silently fails to boot, u-boot is probably too
10 * old. Either upgrade, or consider the following email:
11 *
12 * https://lists.debian.org/debian-arm/2012/08/msg00128.html
13 */
14
15/dts-v1/;
16
17#include "kirkwood.dtsi"
18#include "kirkwood-6281.dtsi"
19
20/ {
21 model = "Excito B3";
22 compatible = "excito,b3", "marvell,kirkwood-88f6281", "marvell,kirkwood";
23 memory { /* 512 MB */
24 device_type = "memory";
25 reg = <0x00000000 0x20000000>;
26 };
27
28 chosen {
29 bootargs = "console=ttyS0,115200n8 earlyprintk";
30 stdout-path = &uart0;
31 };
32
33 ocp@f1000000 {
34 pinctrl: pin-controller@10000 {
35 pmx_button_power: pmx-button-power {
36 marvell,pins = "mpp39";
37 marvell,function = "gpio";
38 };
39 pmx_led_green: pmx-led-green {
40 marvell,pins = "mpp38";
41 marvell,function = "gpio";
42 };
43 pmx_led_red: pmx-led-red {
44 marvell,pins = "mpp41";
45 marvell,function = "gpio";
46 };
47 pmx_led_blue: pmx-led-blue {
48 marvell,pins = "mpp42";
49 marvell,function = "gpio";
50 };
51 pmx_beeper: pmx-beeper {
52 marvell,pins = "mpp40";
53 marvell,function = "gpio";
54 };
55 };
56
57 spi@10600 {
58 status = "okay";
59
60 m25p16@0 {
61 #address-cells = <1>;
62 #size-cells = <1>;
63 compatible = "st,m25p16", "jedec,spi-nor";
64 reg = <0>;
65 spi-max-frequency = <40000000>;
66 mode = <0>;
67
68 partition@0 {
69 reg = <0x0 0xc0000>;
70 label = "u-boot";
71 };
72
73 partition@c0000 {
74 reg = <0xc0000 0x20000>;
75 label = "u-boot env";
76 };
77
78 partition@e0000 {
79 reg = <0xe0000 0x120000>;
80 label = "data";
81 };
82 };
83 };
84
85 i2c@11000 {
86 status = "okay";
87 /*
88 * There is something on the bus at address 0x64.
89 * Not yet identified what it is, maybe the eeprom
90 * for the Atheros WiFi chip?
91 */
92 };
93
94
95 serial@12000 {
96 /* Internal on test pins, 3.3v TTL
97 * UART0_RX = Testpoint 65
98 * UART0_TX = Testpoint 66
99 * See the Excito Wiki for more details.
100 */
101 status = "okay";
102 };
103
104 sata@80000 {
105 /* One internal, the second as eSATA */
106 status = "okay";
107 nr-ports = <2>;
108 };
109 };
110
111 gpio-leds {
112 /*
113 * There is one LED "port" on the front and the colours
114 * mix together giving some interesting combinations.
115 */
116 compatible = "gpio-leds";
117 pinctrl-0 = < &pmx_led_green &pmx_led_red
118 &pmx_led_blue >;
119 pinctrl-names = "default";
120
121 programming_led {
122 label = "bubba3:green:programming";
123 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
124 default-state = "off";
125 };
126
127 error_led {
128 label = "bubba3:red:error";
129 gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
130 };
131
132 active_led {
133 label = "bubba3:blue:active";
134 gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
135 };
136 };
137
138 gpio-keys {
139 compatible = "gpio-keys";
140 pinctrl-0 = <&pmx_button_power>;
141 pinctrl-names = "default";
142
143 power-button {
144 /* On the back */
145 label = "Power Button";
146 linux,code = <KEY_POWER>;
147 gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
148 };
149 };
150
151 beeper: beeper {
152 /* 4KHz Piezoelectric buzzer */
153 compatible = "gpio-beeper";
154 pinctrl-0 = <&pmx_beeper>;
155 pinctrl-names = "default";
156 gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
157 };
158};
159
160&mdio {
161 status = "okay";
162
163 ethphy0: ethernet-phy@8 {
164 device_type = "ethernet-phy";
165 reg = <8>;
166 };
167
168 ethphy1: ethernet-phy@24 {
169 device_type = "ethernet-phy";
170 reg = <24>;
171 };
172};
173
174ð0 {
175 status = "okay";
176 ethernet0-port@0 {
177 phy-handle = <ðphy0>;
178 };
179};
180
181ð1 {
182 status = "okay";
183 ethernet1-port@0 {
184 phy-handle = <ðphy1>;
185 };
186};
187
188/* Wifi model has Atheros chipset on pcie port */
189&pciec {
190 status = "okay";
191};
192
193&pcie0 {
194 status = "okay";
195};
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";
33 stdout-path = &uart0;
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 {
48 pinctrl: pin-controller@10000 {
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";
73
74 m25p16@0 {
75 #address-cells = <1>;
76 #size-cells = <1>;
77 compatible = "st,m25p16", "jedec,spi-nor";
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 */
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
188ð0 {
189 status = "okay";
190 ethernet0-port@0 {
191 phy-handle = <ðphy0>;
192 };
193};
194
195ð1 {
196 status = "okay";
197 ethernet1-port@0 {
198 phy-handle = <ðphy1>;
199 };
200};
201