arch/arm/boot/dts/imx53-usbarmory.dts

   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         status = "okay";
  95 };
  96
  97 &iomuxc {
  98         pinctrl_esdhc1: esdhc1grp {
  99                 fsl,pins = <
 100                         MX53_PAD_SD1_DATA0__ESDHC1_DAT0         0x1d5
 101                         MX53_PAD_SD1_DATA1__ESDHC1_DAT1         0x1d5
 102                         MX53_PAD_SD1_DATA2__ESDHC1_DAT2         0x1d5
 103                         MX53_PAD_SD1_DATA3__ESDHC1_DAT3         0x1d5
 104                         MX53_PAD_SD1_CMD__ESDHC1_CMD            0x1d5
 105                         MX53_PAD_SD1_CLK__ESDHC1_CLK            0x1d5
 106                 >;
 107         };
 108
 109         pinctrl_i2c1_pmic: i2c1grp {
 110                 fsl,pins = <
 111                         MX53_PAD_EIM_D21__I2C1_SCL      0x80
 112                         MX53_PAD_EIM_D28__I2C1_SDA      0x80
 113                 >;
 114         };
 115
 116         pinctrl_led: ledgrp {
 117                 fsl,pins = <
 118                         MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4
 119                 >;
 120         };
 121
 122         /*
 123          * UART mode pin header configration
 124          * 3 - GPIO5[26], pull-down 100K
 125          * 4 - GPIO5[27], pull-down 100K
 126          * 5 - TX, pull-up 100K
 127          * 6 - RX, pull-up 100K
 128          * 7 - GPIO5[30], pull-down 100K
 129          */
 130         pinctrl_uart1: uart1grp {
 131                 fsl,pins = <
 132                         MX53_PAD_CSI0_DAT8__GPIO5_26            0xc0
 133                         MX53_PAD_CSI0_DAT9__GPIO5_27            0xc0
 134                         MX53_PAD_CSI0_DAT10__UART1_TXD_MUX      0x1e4
 135                         MX53_PAD_CSI0_DAT11__UART1_RXD_MUX      0x1e4
 136                         MX53_PAD_CSI0_DAT12__GPIO5_30           0xc0
 137                 >;
 138         };
 139 };
 140
 141 &i2c1 {
 142         pinctrl-0 = <&pinctrl_i2c1_pmic>;
 143         status = "okay";
 144
 145         ltc3589: pmic@34 {
 146                 compatible = "lltc,ltc3589-2";
 147                 reg = <0x34>;
 148
 149                 regulators {
 150                         sw1_reg: sw1 {
 151                                 regulator-min-microvolt = <591930>;
 152                                 regulator-max-microvolt = <1224671>;
 153                                 lltc,fb-voltage-divider = <100000 158000>;
 154                                 regulator-ramp-delay = <7000>;
 155                                 regulator-boot-on;
 156                                 regulator-always-on;
 157                         };
 158
 159                         sw2_reg: sw2 {
 160                                 regulator-min-microvolt = <704123>;
 161                                 regulator-max-microvolt = <1456803>;
 162                                 lltc,fb-voltage-divider = <180000 191000>;
 163                                 regulator-ramp-delay = <7000>;
 164                                 regulator-boot-on;
 165                                 regulator-always-on;
 166                         };
 167
 168                         sw3_reg: sw3 {
 169                                 regulator-min-microvolt = <1341250>;
 170                                 regulator-max-microvolt = <2775000>;
 171                                 lltc,fb-voltage-divider = <270000 100000>;
 172                                 regulator-ramp-delay = <7000>;
 173                                 regulator-boot-on;
 174                                 regulator-always-on;
 175                         };
 176
 177                         bb_out_reg: bb-out {
 178                                 regulator-min-microvolt = <3387341>;
 179                                 regulator-max-microvolt = <3387341>;
 180                                 lltc,fb-voltage-divider = <511000 158000>;
 181                                 regulator-boot-on;
 182                                 regulator-always-on;
 183                         };
 184
 185                         ldo1_reg: ldo1 {
 186                                 regulator-min-microvolt = <1306329>;
 187                                 regulator-max-microvolt = <1306329>;
 188                                 lltc,fb-voltage-divider = <100000 158000>;
 189                                 regulator-boot-on;
 190                                 regulator-always-on;
 191                         };
 192
 193                         ldo2_reg: ldo2 {
 194                                 regulator-min-microvolt = <704123>;
 195                                 regulator-max-microvolt = <1456806>;
 196                                 lltc,fb-voltage-divider = <180000 191000>;
 197                                 regulator-ramp-delay = <7000>;
 198                                 regulator-boot-on;
 199                                 regulator-always-on;
 200                         };
 201
 202                         ldo3_reg: ldo3 {
 203                                 regulator-min-microvolt = <2800000>;
 204                                 regulator-max-microvolt = <2800000>;
 205                                 regulator-boot-on;
 206                         };
 207
 208                         ldo4_reg: ldo4 {
 209                                 regulator-min-microvolt = <1200000>;
 210                                 regulator-max-microvolt = <3200000>;
 211                         };
 212                 };
 213         };
 214 };
 215
 216 &uart1 {
 217         pinctrl-names = "default";
 218         pinctrl-0 = <&pinctrl_uart1>;
 219         status = "okay";
 220 };
 221
 222 &usbotg {
 223         dr_mode = "peripheral";
 224         status = "okay";
 225 };