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Message-ID: <87wpiqjmuk.fsf@aikidev.net>
Date: Mon, 05 Sep 2016 10:08:35 -0700
From: Vagrant Cascadian <vagrant@...ian.org>
To: andrej@...ersepath.com, linux-kernel@...r.kernel.org
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Sascha Hauer <kernel@...gutronix.de>,
Fabio Estevam <fabio.estevam@....com>,
Shawn Guo <shawnguo@...nel.org>, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v3 2/2] ARM: dts: imx53: add support for USB armory board
On 2016-09-05, andrej@...ersepath.com wrote:
> From: Andrej Rosano <andrej@...ersepath.com>
>
> 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@...ersepath.com>
Boots with v4.8-rc5, USB OTG works, serial console works.
Tested-by: Vagrant Cascadian <vagrant@...ian.org>
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@...ersepath.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 {
> + 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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