[PATCH] ARM: dts: imx6ulz: add support for USB armory Mk II

[andrej.rosano@f-secure.com]

From: Andrej Rosano <andrej.rosano@f-secure.com>

Add support for F-Secure USB armory Mk II board, an open source
flash-drive sized computer based on NXP i.MX6ULZ SoC.

https://github.com/f-secure-foundry/usbarmory

Signed-off-by: Andrej Rosano <andrej.rosano@f-secure.com>
---
 .../devicetree/bindings/arm/fsl.yaml          |   3 +-
 arch/arm/boot/dts/Makefile                    |   3 +-
 arch/arm/boot/dts/imx6ulz-usbarmory.dts       | 238 ++++++++++++++++++
 3 files changed, 242 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/boot/dts/imx6ulz-usbarmory.dts

diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 1c827c1954dc..a11d10a22b64 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -595,7 +595,8 @@ properties:
       - description: i.MX6ULZ based Boards
         items:
           - enum:
-              - fsl,imx6ulz-14x14-evk     # i.MX6 ULZ 14x14 EVK Board
+              - fsl,imx6ulz-14x14-evk         # i.MX6 ULZ 14x14 EVK Board
+              - inversepath,imx6ulz-usbarmory # F-Secure USB armory Mk II
           - const: fsl,imx6ull # This seems odd. Should be last?
           - const: fsl,imx6ulz
 
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 863347b6b65e..6fd2b8f55255 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -655,7 +655,8 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ull-phytec-segin-ff-rdk-nand.dtb \
 	imx6ull-phytec-segin-ff-rdk-emmc.dtb \
 	imx6ull-phytec-segin-lc-rdk-nand.dtb \
-	imx6ulz-14x14-evk.dtb
+	imx6ulz-14x14-evk.dtb \
+	imx6ulz-usbarmory.dtb
 dtb-$(CONFIG_SOC_IMX7D) += \
 	imx7d-cl-som-imx7.dtb \
 	imx7d-colibri-aster.dtb \
diff --git a/arch/arm/boot/dts/imx6ulz-usbarmory.dts b/arch/arm/boot/dts/imx6ulz-usbarmory.dts
new file mode 100644
index 000000000000..6262d30bcb9c
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ulz-usbarmory.dts
@@ -0,0 +1,238 @@
+/*
+ * USB armory Mk II device tree file
+ * https://github.com/f-secure-foundry/usbarmory
+ *
+ * Copyright (C) 2020, F-Secure Corporation
+ * Andrej Rosano <andrej.rosano@f-secure.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 "imx6ulz.dtsi"
+
+/ {
+	model = "F-Secure USB armory Mk II";
+	compatible = "inversepath,imx6ulz-usbarmory-mkII", "fsl,imx6ull", "fsl,imx6ulz";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_led>;
+
+		led-white {
+			label = "LED_WHITE";
+			gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+
+		led-blue {
+			label = "LED_BLUE";
+			gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg_sd1_vmmc: sd1_regulator {
+			compatible = "regulator-fixed";
+			regulator-name = "VSD_3V3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+		};
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_bluetooth>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	no-1-8-v;
+	keep-power-in-suspend;
+	wakeup-source;
+	status = "okay";
+};
+
+&usdhc2 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&i2c1 {
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
+		>;
+	};
+
+	pinctrl_bluetooth: uart1grp {
+		fsl,pins = <
+			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX	0x1b0b0 /* BT_UART_TX  */
+			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX	0x1b0b0 /* BT_UART_RX  */
+			MX6UL_PAD_UART1_CTS_B__UART1_DCE_CTS	0x1b0b0 /* BT_UART_CTS */
+			MX6UL_PAD_GPIO1_IO07__UART1_DCE_RTS	0x130b0 /* BT_UART_RTS */
+			MX6UL_PAD_UART3_TX_DATA__GPIO1_IO24	0x1f020 /* BT_UART_DSR */
+			MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25	0x10020 /* BT_UART_DTR */
+			MX6UL_PAD_GPIO1_IO04__GPIO1_IO04	0x1f020 /* BT_SWDCLK   */
+			MX6UL_PAD_GPIO1_IO06__GPIO1_IO06	0x1f020 /* BT_SWDIO    */
+			MX6UL_PAD_GPIO1_IO09__GPIO1_IO09	0x1f020 /* BT_RESET    */
+			MX6UL_PAD_UART3_RTS_B__GPIO1_IO27	0x1f020 /* BT_SWITCH_1 */
+			MX6UL_PAD_UART3_CTS_B__GPIO1_IO26	0x1f020 /* BT_SWITCH_2 */
+		>;
+	};
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX6UL_PAD_GPIO1_IO02__I2C1_SCL	0x4001b8b0
+			MX6UL_PAD_GPIO1_IO03__I2C1_SDA	0x4001b8b0
+		>;
+	};
+
+	pinctrl_led: ledgrp {
+		fsl,pins = <
+			MX6UL_PAD_CSI_DATA00__GPIO4_IO21	0x1f020
+			MX6UL_PAD_CSI_DATA01__GPIO4_IO22	0x1f020
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x1f019
+			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x1f019
+			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x1f019
+			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x1f019
+			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x1f019
+			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x1f019
+		>;
+	};
+
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x10069
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x17059
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x17059
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x17059
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x17059
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x17059
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x17059
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x17059
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x17059
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x17059
+		>;
+	};
+
+	pinctrl_usdhc2_100mhz: usdhc2grp_100mhz {
+		fsl,pins = <
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x100b9
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x170b9
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x170b9
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x170b9
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x170b9
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x170b9
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x170b9
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x170b9
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x170b9
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x170b9
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2grp_200mhz {
+		fsl,pins = <
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x100f9
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x170f9
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x170f9
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x170f9
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x170f9
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x170f9
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x170f9
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x170f9
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x170f9
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x170f9
+		>;
+	};
+};
+
+&usbotg1 {
+	dr_mode = "peripheral";
+	disable-over-current;
+	tpl-support;
+	status = "okay";
+};
+
+&usbotg2 {
+	dr_mode = "host";
+	disable-over-current;
+	tpl-support;
+	status = "okay";
+};
-- 
2.33.0


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