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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@70000000 {
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};