/*
* USB armory MkI device tree file
*
https://inversepath.com/usbarmory
*
* Copyright (C) 2015, Inverse Path
* Andrej Rosano <andrej@inversepath.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/dts-v1/;
#include "imx53.dtsi"
/ {
model = "Inverse Path USB armory";
compatible = "inversepath,imx53-usbarmory", "fsl,imx53";
};
/ {
chosen {
stdout-path = &uart1;
};
memory@70000000 {
device_type = "memory";
reg = <0x70000000 0x20000000>;
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_led>;
led-user {
label = "LED";
gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
};
};
/*
* Not every i.MX53 P/N supports clock > 800MHz.
* As USB armory does not mount a specific P/N set a safe clock upper limit.
*/
&cpu0 {
operating-points = <
/* kHz */
166666 850000
400000 900000
800000 1050000
>;
};
&esdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_esdhc1>;
status = "okay";
};
&iomuxc {
pinctrl_esdhc1: esdhc1grp {
fsl,pins = <
MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5
MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5
MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5
MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5
MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5
MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5
>;
};
pinctrl_i2c1_pmic: i2c1grp {
fsl,pins = <
MX53_PAD_EIM_D21__I2C1_SCL 0x80
MX53_PAD_EIM_D28__I2C1_SDA 0x80
>;
};
pinctrl_led: ledgrp {
fsl,pins = <
MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4
>;
};
/*
* UART mode pin header configuration
* 3 - GPIO5[26], pull-down 100K
* 4 - GPIO5[27], pull-down 100K
* 5 - TX, pull-up 100K
* 6 - RX, pull-up 100K
* 7 - GPIO5[30], pull-down 100K
*/
pinctrl_uart1: uart1grp {
fsl,pins = <
MX53_PAD_CSI0_DAT8__GPIO5_26 0xc0
MX53_PAD_CSI0_DAT9__GPIO5_27 0xc0
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4
MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4
MX53_PAD_CSI0_DAT12__GPIO5_30 0xc0
>;
};
};
&i2c1 {
pinctrl-0 = <&pinctrl_i2c1_pmic>;
status = "okay";
ltc3589: pmic@34 {
compatible = "lltc,ltc3589-2";
reg = <0x34>;
regulators {
sw1_reg: sw1 {
regulator-min-microvolt = <591930>;
regulator-max-microvolt = <1224671>;
lltc,fb-voltage-divider = <100000 158000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
sw2_reg: sw2 {
regulator-min-microvolt = <704123>;
regulator-max-microvolt = <1456803>;
lltc,fb-voltage-divider = <180000 191000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
sw3_reg: sw3 {
regulator-min-microvolt = <1341250>;
regulator-max-microvolt = <2775000>;
lltc,fb-voltage-divider = <270000 100000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
bb_out_reg: bb-out {
regulator-min-microvolt = <3387341>;
regulator-max-microvolt = <3387341>;
lltc,fb-voltage-divider = <511000 158000>;
regulator-boot-on;
regulator-always-on;
};
ldo1_reg: ldo1 {
regulator-min-microvolt = <1306329>;
regulator-max-microvolt = <1306329>;
lltc,fb-voltage-divider = <100000 158000>;
regulator-boot-on;
regulator-always-on;
};
ldo2_reg: ldo2 {
regulator-min-microvolt = <704123>;
regulator-max-microvolt = <1456806>;
lltc,fb-voltage-divider = <180000 191000>;
regulator-ramp-delay = <7000>;
regulator-boot-on;
regulator-always-on;
};
ldo3_reg: ldo3 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-boot-on;
};
ldo4_reg: ldo4 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3200000>;
};
};
};
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
status = "okay";
};
&usbotg {
dr_mode = "peripheral";
status = "okay";
};
