[PATCH 2/2] ARM: dts: imx53: add support for USB armory board

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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 | 239 ++++++++++++++++++++++++++++++++++
 2 files changed, 240 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 414b427..f8f85ab 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -303,6 +303,7 @@ 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..9a172fd
--- /dev/null
+++ b/arch/arm/boot/dts/imx53-usbarmory.dts
@@ -0,0 +1,239 @@
+/*
+ * USB armory MkI device tree include file
+ * https://inversepath.com/usbarmory
+ *
+ * Copyright (C) 2015, Inverse Path
+ * Andrej Rosano <andrej@xxxxxxxxxxxxxxx>
+ *
+ * Licensed under GPLv2
+ */
+
+/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 = <&led_pin_gpio4_27>;
+
+		user {
+			label = "LED";
+			gpios = <&gpio4 27 0>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&cpu0 {
+	operating-points = <
+		/* kHz */
+		166666  850000
+		400000  900000
+		800000 1050000
+	>;
+};
+
+&esdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc1>;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+
+	imx53-usbarmory {
+		led_pin_gpio4_27: led_gpio4_27@0 {
+			fsl,pins = <
+				MX53_PAD_DISP0_DAT6__GPIO4_27 0x0
+			>;
+		};
+
+		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_pmic {
+			fsl,pins = <
+				MX53_PAD_EIM_D21__I2C1_SCL	0x0
+				MX53_PAD_EIM_D28__I2C1_SDA	0x0
+			>;
+		};
+
+		/*
+		 * 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
+			>;
+		};
+
+		/*
+		 * GPIO mode pin header configuration
+		 * 3 - GPIO5[26], pull-down 100K
+		 * 4 - GPIO5[27], pull-down 100K
+		 * 5 - GPIO5[28], pull-down 100K
+		 * 6 - GPIO5[29], pull-down 100K
+		 * 7 - GPIO5[30], pull-down 100K
+		 */
+		pinctrl_gpio5: gpio5grp {
+			fsl,pins = <
+				MX53_PAD_CSI0_DAT8__GPIO5_26	0xc0
+				MX53_PAD_CSI0_DAT9__GPIO5_27	0xc0
+				MX53_PAD_CSI0_DAT10__GPIO5_28	0xc0
+				MX53_PAD_CSI0_DAT11__GPIO5_29	0xc0
+				MX53_PAD_CSI0_DAT12__GPIO5_30	0xc0
+			>;
+		};
+
+		/*
+		 * SPI mode pin header configuration
+		 * 3 - SCLK
+		 * 4 - MOSI
+		 * 5 - MISO
+		 * 6 - /SS0
+		 * 7 - /SS1
+		 */
+		pinctrl_ecspi2: ecspi2grp {
+			fsl,pins = <
+				MX53_PAD_CSI0_DAT8__ECSPI2_SCLK		0x0
+				MX53_PAD_CSI0_DAT9__ECSPI2_MOSI		0x0
+				MX53_PAD_CSI0_DAT10__ECSPI2_MISO	0x0
+				MX53_PAD_CSI0_DAT11__GPIO5_29		0x0
+				MX53_PAD_CSI0_DAT12__GPIO5_30		0x0
+			>;
+		};
+
+		/*
+		 * I2C mode pin header configuration
+		 * 3 - SDA
+		 * 4 - SCL
+		 * 5 - GPIO5[28], pull-down 100K
+		 * 6 - GPIO5[29], pull-down 100K
+		 * 7 - GPIO5[30], pull-down 100K
+		 */
+		pinctrl_i2c1_pinheader: i2c1grp_pinheader {
+			fsl,pins = <
+				MX53_PAD_CSI0_DAT8__I2C1_SDA	0x0
+				MX53_PAD_CSI0_DAT9__I2C1_SCL	0x0
+				MX53_PAD_CSI0_DAT10__GPIO5_28	0xc0
+				MX53_PAD_CSI0_DAT11__GPIO5_29	0xc0
+				MX53_PAD_CSI0_DAT12__GPIO5_30	0xc0
+			>;
+		};
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&usbotg {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&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>;
+			};
+		};
+	};
+};
-- 
2.9.0

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