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 device_type = "memory"; 62 reg = <0x70000000 0x20000000>; 63 }; 64 65 leds { 66 compatible = "gpio-leds"; 67 pinctrl-names = "default"; 68 pinctrl-0 = <&pinctrl_led>; 69 70 user { 71 label = "LED"; 72 gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; 73 linux,default-trigger = "heartbeat"; 74 }; 75 }; 76}; 77 78/* 79 * Not every i.MX53 P/N supports clock > 800MHz. 80 * As USB armory does not mount a specific P/N set a safe clock upper limit. 81 */ 82&cpu0 { 83 operating-points = < 84 /* kHz */ 85 166666 850000 86 400000 900000 87 800000 1050000 88 >; 89}; 90 91&esdhc1 { 92 pinctrl-names = "default"; 93 pinctrl-0 = <&pinctrl_esdhc1>; 94 broken-cd; 95 status = "okay"; 96}; 97 98&iomuxc { 99 pinctrl_esdhc1: esdhc1grp { 100 fsl,pins = < 101 MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5 102 MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5 103 MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5 104 MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5 105 MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5 106 MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5 107 >; 108 }; 109 110 pinctrl_i2c1_pmic: i2c1grp { 111 fsl,pins = < 112 MX53_PAD_EIM_D21__I2C1_SCL 0x80 113 MX53_PAD_EIM_D28__I2C1_SDA 0x80 114 >; 115 }; 116 117 pinctrl_led: ledgrp { 118 fsl,pins = < 119 MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4 120 >; 121 }; 122 123 /* 124 * UART mode pin header configuration 125 * 3 - GPIO5[26], pull-down 100K 126 * 4 - GPIO5[27], pull-down 100K 127 * 5 - TX, pull-up 100K 128 * 6 - RX, pull-up 100K 129 * 7 - GPIO5[30], pull-down 100K 130 */ 131 pinctrl_uart1: uart1grp { 132 fsl,pins = < 133 MX53_PAD_CSI0_DAT8__GPIO5_26 0xc0 134 MX53_PAD_CSI0_DAT9__GPIO5_27 0xc0 135 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4 136 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4 137 MX53_PAD_CSI0_DAT12__GPIO5_30 0xc0 138 >; 139 }; 140}; 141 142&i2c1 { 143 pinctrl-0 = <&pinctrl_i2c1_pmic>; 144 status = "okay"; 145 146 ltc3589: pmic@34 { 147 compatible = "lltc,ltc3589-2"; 148 reg = <0x34>; 149 150 regulators { 151 sw1_reg: sw1 { 152 regulator-min-microvolt = <591930>; 153 regulator-max-microvolt = <1224671>; 154 lltc,fb-voltage-divider = <100000 158000>; 155 regulator-ramp-delay = <7000>; 156 regulator-boot-on; 157 regulator-always-on; 158 }; 159 160 sw2_reg: sw2 { 161 regulator-min-microvolt = <704123>; 162 regulator-max-microvolt = <1456803>; 163 lltc,fb-voltage-divider = <180000 191000>; 164 regulator-ramp-delay = <7000>; 165 regulator-boot-on; 166 regulator-always-on; 167 }; 168 169 sw3_reg: sw3 { 170 regulator-min-microvolt = <1341250>; 171 regulator-max-microvolt = <2775000>; 172 lltc,fb-voltage-divider = <270000 100000>; 173 regulator-ramp-delay = <7000>; 174 regulator-boot-on; 175 regulator-always-on; 176 }; 177 178 bb_out_reg: bb-out { 179 regulator-min-microvolt = <3387341>; 180 regulator-max-microvolt = <3387341>; 181 lltc,fb-voltage-divider = <511000 158000>; 182 regulator-boot-on; 183 regulator-always-on; 184 }; 185 186 ldo1_reg: ldo1 { 187 regulator-min-microvolt = <1306329>; 188 regulator-max-microvolt = <1306329>; 189 lltc,fb-voltage-divider = <100000 158000>; 190 regulator-boot-on; 191 regulator-always-on; 192 }; 193 194 ldo2_reg: ldo2 { 195 regulator-min-microvolt = <704123>; 196 regulator-max-microvolt = <1456806>; 197 lltc,fb-voltage-divider = <180000 191000>; 198 regulator-ramp-delay = <7000>; 199 regulator-boot-on; 200 regulator-always-on; 201 }; 202 203 ldo3_reg: ldo3 { 204 regulator-min-microvolt = <2800000>; 205 regulator-max-microvolt = <2800000>; 206 regulator-boot-on; 207 }; 208 209 ldo4_reg: ldo4 { 210 regulator-min-microvolt = <1200000>; 211 regulator-max-microvolt = <3200000>; 212 }; 213 }; 214 }; 215}; 216 217&uart1 { 218 pinctrl-names = "default"; 219 pinctrl-0 = <&pinctrl_uart1>; 220 status = "okay"; 221}; 222 223&usbotg { 224 dr_mode = "peripheral"; 225 status = "okay"; 226}; 227