ARM: dts: imx53: add support for USB armory board
authorAndrej Rosano <andrej@inversepath.com>
Mon, 5 Sep 2016 10:11:17 +0000 (12:11 +0200)
committerShawn Guo <shawnguo@kernel.org>
Thu, 8 Sep 2016 13:17:43 +0000 (21:17 +0800)
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@inversepath.com>
Tested-by: Vagrant Cascadian <vagrant@debian.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/Makefile
arch/arm/boot/dts/imx53-usbarmory.dts [new file with mode: 0644]

index 5dcc2394fbad53bae517812d9c8361a21ba263c0..f79cac25afa8dbae45227dea849e7a68bb953dbc 100644 (file)
@@ -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 (file)
index 0000000..6782d7f
--- /dev/null
@@ -0,0 +1,224 @@
+/*
+ * 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 {
+               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";
+};