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17028ca2 AR |
1 | /* |
2 | * USB armory MkI device tree file | |
3 | * https://inversepath.com/usbarmory | |
4 | * | |
5 | * Copyright (C) 2015, Inverse Path | |
6 | * Andrej Rosano <andrej@inversepath.com> | |
7 | * | |
8 | * This file is dual-licensed: you can use it either under the terms | |
9 | * of the GPL or the X11 license, at your option. Note that this dual | |
10 | * licensing only applies to this file, and not this project as a | |
11 | * whole. | |
12 | * | |
13 | * a) This file is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU General Public License as | |
15 | * published by the Free Software Foundation; either version 2 of the | |
16 | * License, or (at your option) any later version. | |
17 | * | |
18 | * This file is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * Or, alternatively, | |
24 | * | |
25 | * b) Permission is hereby granted, free of charge, to any person | |
26 | * obtaining a copy of this software and associated documentation | |
27 | * files (the "Software"), to deal in the Software without | |
28 | * restriction, including without limitation the rights to use, | |
29 | * copy, modify, merge, publish, distribute, sublicense, and/or | |
30 | * sell copies of the Software, and to permit persons to whom the | |
31 | * Software is furnished to do so, subject to the following | |
32 | * conditions: | |
33 | * | |
34 | * The above copyright notice and this permission notice shall be | |
35 | * included in all copies or substantial portions of the Software. | |
36 | * | |
37 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
38 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
39 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
40 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
41 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
42 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
43 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
44 | * OTHER DEALINGS IN THE SOFTWARE. | |
45 | */ | |
46 | ||
47 | /dts-v1/; | |
48 | #include "imx53.dtsi" | |
49 | ||
50 | / { | |
51 | model = "Inverse Path USB armory"; | |
52 | compatible = "inversepath,imx53-usbarmory", "fsl,imx53"; | |
53 | }; | |
54 | ||
55 | / { | |
56 | chosen { | |
57 | stdout-path = &uart1; | |
58 | }; | |
59 | ||
60 | memory { | |
61 | reg = <0x70000000 0x20000000>; | |
62 | }; | |
63 | ||
64 | leds { | |
65 | compatible = "gpio-leds"; | |
66 | pinctrl-names = "default"; | |
67 | pinctrl-0 = <&pinctrl_led>; | |
68 | ||
69 | user { | |
70 | label = "LED"; | |
71 | gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; | |
72 | linux,default-trigger = "heartbeat"; | |
73 | }; | |
74 | }; | |
75 | }; | |
76 | ||
77 | /* | |
78 | * Not every i.MX53 P/N supports clock > 800MHz. | |
79 | * As USB armory does not mount a specific P/N set a safe clock upper limit. | |
80 | */ | |
81 | &cpu0 { | |
82 | operating-points = < | |
83 | /* kHz */ | |
84 | 166666 850000 | |
85 | 400000 900000 | |
86 | 800000 1050000 | |
87 | >; | |
88 | }; | |
89 | ||
90 | &esdhc1 { | |
91 | pinctrl-names = "default"; | |
92 | pinctrl-0 = <&pinctrl_esdhc1>; | |
93 | status = "okay"; | |
94 | }; | |
95 | ||
96 | &iomuxc { | |
97 | pinctrl_esdhc1: esdhc1grp { | |
98 | fsl,pins = < | |
99 | MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5 | |
100 | MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5 | |
101 | MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5 | |
102 | MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5 | |
103 | MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5 | |
104 | MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5 | |
105 | >; | |
106 | }; | |
107 | ||
108 | pinctrl_i2c1_pmic: i2c1grp { | |
109 | fsl,pins = < | |
110 | MX53_PAD_EIM_D21__I2C1_SCL 0x80 | |
111 | MX53_PAD_EIM_D28__I2C1_SDA 0x80 | |
112 | >; | |
113 | }; | |
114 | ||
115 | pinctrl_led: ledgrp { | |
116 | fsl,pins = < | |
117 | MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4 | |
118 | >; | |
119 | }; | |
120 | ||
121 | /* | |
122 | * UART mode pin header configration | |
123 | * 3 - GPIO5[26], pull-down 100K | |
124 | * 4 - GPIO5[27], pull-down 100K | |
125 | * 5 - TX, pull-up 100K | |
126 | * 6 - RX, pull-up 100K | |
127 | * 7 - GPIO5[30], pull-down 100K | |
128 | */ | |
129 | pinctrl_uart1: uart1grp { | |
130 | fsl,pins = < | |
131 | MX53_PAD_CSI0_DAT8__GPIO5_26 0xc0 | |
132 | MX53_PAD_CSI0_DAT9__GPIO5_27 0xc0 | |
133 | MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4 | |
134 | MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4 | |
135 | MX53_PAD_CSI0_DAT12__GPIO5_30 0xc0 | |
136 | >; | |
137 | }; | |
138 | }; | |
139 | ||
140 | &i2c1 { | |
141 | pinctrl-0 = <&pinctrl_i2c1_pmic>; | |
142 | status = "okay"; | |
143 | ||
144 | ltc3589: pmic@34 { | |
145 | compatible = "lltc,ltc3589-2"; | |
146 | reg = <0x34>; | |
147 | ||
148 | regulators { | |
149 | sw1_reg: sw1 { | |
150 | regulator-min-microvolt = <591930>; | |
151 | regulator-max-microvolt = <1224671>; | |
152 | lltc,fb-voltage-divider = <100000 158000>; | |
153 | regulator-ramp-delay = <7000>; | |
154 | regulator-boot-on; | |
155 | regulator-always-on; | |
156 | }; | |
157 | ||
158 | sw2_reg: sw2 { | |
159 | regulator-min-microvolt = <704123>; | |
160 | regulator-max-microvolt = <1456803>; | |
161 | lltc,fb-voltage-divider = <180000 191000>; | |
162 | regulator-ramp-delay = <7000>; | |
163 | regulator-boot-on; | |
164 | regulator-always-on; | |
165 | }; | |
166 | ||
167 | sw3_reg: sw3 { | |
168 | regulator-min-microvolt = <1341250>; | |
169 | regulator-max-microvolt = <2775000>; | |
170 | lltc,fb-voltage-divider = <270000 100000>; | |
171 | regulator-ramp-delay = <7000>; | |
172 | regulator-boot-on; | |
173 | regulator-always-on; | |
174 | }; | |
175 | ||
176 | bb_out_reg: bb-out { | |
177 | regulator-min-microvolt = <3387341>; | |
178 | regulator-max-microvolt = <3387341>; | |
179 | lltc,fb-voltage-divider = <511000 158000>; | |
180 | regulator-boot-on; | |
181 | regulator-always-on; | |
182 | }; | |
183 | ||
184 | ldo1_reg: ldo1 { | |
185 | regulator-min-microvolt = <1306329>; | |
186 | regulator-max-microvolt = <1306329>; | |
187 | lltc,fb-voltage-divider = <100000 158000>; | |
188 | regulator-boot-on; | |
189 | regulator-always-on; | |
190 | }; | |
191 | ||
192 | ldo2_reg: ldo2 { | |
193 | regulator-min-microvolt = <704123>; | |
194 | regulator-max-microvolt = <1456806>; | |
195 | lltc,fb-voltage-divider = <180000 191000>; | |
196 | regulator-ramp-delay = <7000>; | |
197 | regulator-boot-on; | |
198 | regulator-always-on; | |
199 | }; | |
200 | ||
201 | ldo3_reg: ldo3 { | |
202 | regulator-min-microvolt = <2800000>; | |
203 | regulator-max-microvolt = <2800000>; | |
204 | regulator-boot-on; | |
205 | }; | |
206 | ||
207 | ldo4_reg: ldo4 { | |
208 | regulator-min-microvolt = <1200000>; | |
209 | regulator-max-microvolt = <3200000>; | |
210 | }; | |
211 | }; | |
212 | }; | |
213 | }; | |
214 | ||
215 | &uart1 { | |
216 | pinctrl-names = "default"; | |
217 | pinctrl-0 = <&pinctrl_uart1>; | |
218 | status = "okay"; | |
219 | }; | |
220 | ||
221 | &usbotg { | |
222 | dr_mode = "peripheral"; | |
223 | status = "okay"; | |
224 | }; |