0001 /*
0002 * USB armory MkI device tree file
0003 * https://inversepath.com/usbarmory
0004 *
0005 * Copyright (C) 2015, Inverse Path
0006 * Andrej Rosano <andrej@inversepath.com>
0007 *
0008 * This file is dual-licensed: you can use it either under the terms
0009 * of the GPL or the X11 license, at your option. Note that this dual
0010 * licensing only applies to this file, and not this project as a
0011 * whole.
0012 *
0013 * a) This file is free software; you can redistribute it and/or
0014 * modify it under the terms of the GNU General Public License as
0015 * published by the Free Software Foundation; either version 2 of the
0016 * License, or (at your option) any later version.
0017 *
0018 * This file is distributed in the hope that it will be useful,
0019 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0020 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0021 * GNU General Public License for more details.
0022 *
0023 * Or, alternatively,
0024 *
0025 * b) Permission is hereby granted, free of charge, to any person
0026 * obtaining a copy of this software and associated documentation
0027 * files (the "Software"), to deal in the Software without
0028 * restriction, including without limitation the rights to use,
0029 * copy, modify, merge, publish, distribute, sublicense, and/or
0030 * sell copies of the Software, and to permit persons to whom the
0031 * Software is furnished to do so, subject to the following
0032 * conditions:
0033 *
0034 * The above copyright notice and this permission notice shall be
0035 * included in all copies or substantial portions of the Software.
0036 *
0037 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0038 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0039 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0040 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0041 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0042 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0043 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0044 * OTHER DEALINGS IN THE SOFTWARE.
0045 */
0046
0047 /dts-v1/;
0048 #include "imx53.dtsi"
0049
0050 / {
0051 model = "Inverse Path USB armory";
0052 compatible = "inversepath,imx53-usbarmory", "fsl,imx53";
0053 };
0054
0055 / {
0056 chosen {
0057 stdout-path = &uart1;
0058 };
0059
0060 memory@70000000 {
0061 device_type = "memory";
0062 reg = <0x70000000 0x20000000>;
0063 };
0064
0065 leds {
0066 compatible = "gpio-leds";
0067 pinctrl-names = "default";
0068 pinctrl-0 = <&pinctrl_led>;
0069
0070 user {
0071 label = "LED";
0072 gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
0073 linux,default-trigger = "heartbeat";
0074 };
0075 };
0076 };
0077
0078 /*
0079 * Not every i.MX53 P/N supports clock > 800MHz.
0080 * As USB armory does not mount a specific P/N set a safe clock upper limit.
0081 */
0082 &cpu0 {
0083 operating-points = <
0084 /* kHz */
0085 166666 850000
0086 400000 900000
0087 800000 1050000
0088 >;
0089 };
0090
0091 &esdhc1 {
0092 pinctrl-names = "default";
0093 pinctrl-0 = <&pinctrl_esdhc1>;
0094 status = "okay";
0095 };
0096
0097 &iomuxc {
0098 pinctrl_esdhc1: esdhc1grp {
0099 fsl,pins = <
0100 MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5
0101 MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5
0102 MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5
0103 MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5
0104 MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5
0105 MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5
0106 >;
0107 };
0108
0109 pinctrl_i2c1_pmic: i2c1grp {
0110 fsl,pins = <
0111 MX53_PAD_EIM_D21__I2C1_SCL 0x80
0112 MX53_PAD_EIM_D28__I2C1_SDA 0x80
0113 >;
0114 };
0115
0116 pinctrl_led: ledgrp {
0117 fsl,pins = <
0118 MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4
0119 >;
0120 };
0121
0122 /*
0123 * UART mode pin header configuration
0124 * 3 - GPIO5[26], pull-down 100K
0125 * 4 - GPIO5[27], pull-down 100K
0126 * 5 - TX, pull-up 100K
0127 * 6 - RX, pull-up 100K
0128 * 7 - GPIO5[30], pull-down 100K
0129 */
0130 pinctrl_uart1: uart1grp {
0131 fsl,pins = <
0132 MX53_PAD_CSI0_DAT8__GPIO5_26 0xc0
0133 MX53_PAD_CSI0_DAT9__GPIO5_27 0xc0
0134 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4
0135 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4
0136 MX53_PAD_CSI0_DAT12__GPIO5_30 0xc0
0137 >;
0138 };
0139 };
0140
0141 &i2c1 {
0142 pinctrl-0 = <&pinctrl_i2c1_pmic>;
0143 status = "okay";
0144
0145 ltc3589: pmic@34 {
0146 compatible = "lltc,ltc3589-2";
0147 reg = <0x34>;
0148
0149 regulators {
0150 sw1_reg: sw1 {
0151 regulator-min-microvolt = <591930>;
0152 regulator-max-microvolt = <1224671>;
0153 lltc,fb-voltage-divider = <100000 158000>;
0154 regulator-ramp-delay = <7000>;
0155 regulator-boot-on;
0156 regulator-always-on;
0157 };
0158
0159 sw2_reg: sw2 {
0160 regulator-min-microvolt = <704123>;
0161 regulator-max-microvolt = <1456803>;
0162 lltc,fb-voltage-divider = <180000 191000>;
0163 regulator-ramp-delay = <7000>;
0164 regulator-boot-on;
0165 regulator-always-on;
0166 };
0167
0168 sw3_reg: sw3 {
0169 regulator-min-microvolt = <1341250>;
0170 regulator-max-microvolt = <2775000>;
0171 lltc,fb-voltage-divider = <270000 100000>;
0172 regulator-ramp-delay = <7000>;
0173 regulator-boot-on;
0174 regulator-always-on;
0175 };
0176
0177 bb_out_reg: bb-out {
0178 regulator-min-microvolt = <3387341>;
0179 regulator-max-microvolt = <3387341>;
0180 lltc,fb-voltage-divider = <511000 158000>;
0181 regulator-boot-on;
0182 regulator-always-on;
0183 };
0184
0185 ldo1_reg: ldo1 {
0186 regulator-min-microvolt = <1306329>;
0187 regulator-max-microvolt = <1306329>;
0188 lltc,fb-voltage-divider = <100000 158000>;
0189 regulator-boot-on;
0190 regulator-always-on;
0191 };
0192
0193 ldo2_reg: ldo2 {
0194 regulator-min-microvolt = <704123>;
0195 regulator-max-microvolt = <1456806>;
0196 lltc,fb-voltage-divider = <180000 191000>;
0197 regulator-ramp-delay = <7000>;
0198 regulator-boot-on;
0199 regulator-always-on;
0200 };
0201
0202 ldo3_reg: ldo3 {
0203 regulator-min-microvolt = <2800000>;
0204 regulator-max-microvolt = <2800000>;
0205 regulator-boot-on;
0206 };
0207
0208 ldo4_reg: ldo4 {
0209 regulator-min-microvolt = <1200000>;
0210 regulator-max-microvolt = <3200000>;
0211 };
0212 };
0213 };
0214 };
0215
0216 &uart1 {
0217 pinctrl-names = "default";
0218 pinctrl-0 = <&pinctrl_uart1>;
0219 status = "okay";
0220 };
0221
0222 &usbotg {
0223 dr_mode = "peripheral";
0224 status = "okay";
0225 };
