On 2016-09-05, andrej@xxxxxxxxxxxxxxx wrote: > From: Andrej Rosano <andrej@xxxxxxxxxxxxxxx> > > Add support for Inverse Path USB armory board, an open source > flash-drive sized computer based on NXP i.MX53 SoC. > > https://inversepath.com/usbarmory > > Signed-off-by: Andrej Rosano <andrej@xxxxxxxxxxxxxxx> Boots with v4.8-rc5, USB OTG works, serial console works. Tested-by: Vagrant Cascadian <vagrant@xxxxxxxxxx> live well, vagrant > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/imx53-usbarmory.dts | 224 ++++++++++++++++++++++++++++++++++ > 2 files changed, 225 insertions(+) > create mode 100644 arch/arm/boot/dts/imx53-usbarmory.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index faacd52..20790b8 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -315,6 +315,7 @@ dtb-$(CONFIG_SOC_IMX53) += \ > imx53-smd.dtb \ > imx53-tx53-x03x.dtb \ > imx53-tx53-x13x.dtb \ > + imx53-usbarmory.dtb \ > imx53-voipac-bsb.dtb > dtb-$(CONFIG_SOC_IMX6Q) += \ > imx6dl-apf6dev.dtb \ > diff --git a/arch/arm/boot/dts/imx53-usbarmory.dts b/arch/arm/boot/dts/imx53-usbarmory.dts > new file mode 100644 > index 0000000..6782d7f > --- /dev/null > +++ b/arch/arm/boot/dts/imx53-usbarmory.dts > @@ -0,0 +1,224 @@ > +/* > + * USB armory MkI device tree file > + * https://inversepath.com/usbarmory > + * > + * Copyright (C) 2015, Inverse Path > + * Andrej Rosano <andrej@xxxxxxxxxxxxxxx> > + * > + * 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 { > + reg = <0x70000000 0x20000000>; > + }; > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_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 configration > + * 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"; > +}; > -- > 2.9.3
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