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};
225