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Message-Id: <20160905101117.27473-3-andrej@inversepath.com>
Date: Mon, 5 Sep 2016 12:11:17 +0200
From: andrej@...ersepath.com
To: linux-kernel@...r.kernel.org
Cc: devicetree@...r.kernel.org, Vagrant Cascadian <vagrant@...ian.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: [PATCH v3 2/2] ARM: dts: imx53: add support for USB armory board
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>
---
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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