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> --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
