[PATCH] ARM: dts: imx53: add support for USB armory board
Shawn Guo
shawn.guo at linaro.org
Mon Apr 27 06:08:45 PDT 2015
On Fri, Apr 24, 2015 at 03:33:45PM +0200, andrej at inversepath.com wrote:
> From: Andrej Rosano <andrej at inversepath.com>
>
> Add support for Inverse Path USB armory board, an open source
> flash-drive sized computer based on Freescale i.MX53 SoC.
>
> http://inversepath.com/usbarmory
>
> As the device can work in either USB device mode or USB host mode,
> two different device tree file are needed along with one common
> include file.
>
> Signed-off-by: Andrej Rosano <andrej at inversepath.com>
> Cc: Shawn Guo <shawn.guo at linaro.org>
> Cc: Sascha Hauer <kernel at pengutronix.de>
> Cc: Matthias Brugger <matthias.bgg at gmail.com>
> Cc: Chris Kuethe <chris.kuethe at gmail.com>
> Cc: Vagrant Cascadian <vagrant at debian.org>
Please also check the comment in thread [1].
Shawn
[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/403682
> ---
> .../devicetree/bindings/vendor-prefixes.txt | 1 +
> arch/arm/boot/dts/imx53-usbarmory-common.dtsi | 205 ++++++++++++++++++++
> arch/arm/boot/dts/imx53-usbarmory-host.dts | 18 ++
> arch/arm/boot/dts/imx53-usbarmory.dts | 18 ++
> 4 files changed, 242 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx53-usbarmory-common.dtsi
> create mode 100644 arch/arm/boot/dts/imx53-usbarmory-host.dts
> create mode 100644 arch/arm/boot/dts/imx53-usbarmory.dts
>
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 83737a3..e7a10ce 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -102,6 +102,7 @@ img Imagination Technologies Ltd.
> innolux Innolux Corporation
> intel Intel Corporation
> intercontrol Inter Control Group
> +inversepath Inverse Path, S.r.l.
> isee ISEE 2007 S.L.
> isil Intersil
> karo Ka-Ro electronics GmbH
> diff --git a/arch/arm/boot/dts/imx53-usbarmory-common.dtsi b/arch/arm/boot/dts/imx53-usbarmory-common.dtsi
> new file mode 100644
> index 0000000..4b4feae
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx53-usbarmory-common.dtsi
> @@ -0,0 +1,205 @@
> +/*
> + * USB armory MkI device tree include file
> + * http://inversepath.com/usbarmory
> + *
> + * Copyright (C) 2015, Inverse Path
> + * Andrej Rosano <andrej at inversepath.com>
> + *
> + * Licensed under GPLv2
> + */
> +
> +#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";
> + };
> + };
> +
> + soc {
> + aips at 60000000 {
> + sahara: crypto at 63ff8000 {
> + compatible = "fsl,imx53-sahara";
> + reg = <0x63ff8000 0x4000>;
> + interrupts = <19 20>;
> + clocks = <&clks IMX5_CLK_SAHARA_IPG_GATE>,
> + <&clks IMX5_CLK_SAHARA_IPG_GATE>;
> + clock-names = "ipg", "ahb";
> + };
> + };
> + };
> +};
> +
> +&cpu0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a8";
> + reg = <0x0>;
> + clocks = <&clks IMX5_CLK_ARM>;
> + clock-latency = <61036>;
> + voltage-tolerance = <5>;
> + operating-points = <
> + /* kHz */
> + 166666 850000
> + 400000 900000
> + 800000 1050000
> + >;
> +};
> +
> +&esdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_esdhc1>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> + imx53-usbarmory {
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK 0x80000000
> + MX53_PAD_GPIO_8__GPIO1_8 0x80000000
> + MX53_PAD_PATA_DATA14__GPIO2_14 0x80000000
> + MX53_PAD_PATA_DATA15__GPIO2_15 0x80000000
> + MX53_PAD_EIM_DA11__GPIO3_11 0x80000000
> + MX53_PAD_EIM_DA12__GPIO3_12 0x80000000
> + MX53_PAD_PATA_DA_0__GPIO7_6 0x80000000
> + MX53_PAD_PATA_DA_2__GPIO7_8 0x80000000
> + MX53_PAD_GPIO_16__GPIO7_11 0x80000000
> + >;
> + };
> +
> + led_pin_gpio4_27: led_gpio4_27 at 0 {
> + fsl,pins = <
> + MX53_PAD_DISP0_DAT6__GPIO4_27 0x80000000
> + >;
> + };
> +
> + 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: i2c1grp {
> + fsl,pins = <
> + MX53_PAD_CSI0_DAT8__I2C1_SDA 0xc0000000
> + MX53_PAD_CSI0_DAT9__I2C1_SCL 0xc0000000
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4
> + MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4
> + >;
> + };
> + };
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&vpu {
> + status = "okay";
> +};
> +
> +&i2c1 {
> + ltc3589: pmic at 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>;
> + };
> + };
> + };
> +};
> diff --git a/arch/arm/boot/dts/imx53-usbarmory-host.dts b/arch/arm/boot/dts/imx53-usbarmory-host.dts
> new file mode 100644
> index 0000000..ea2ea45
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx53-usbarmory-host.dts
> @@ -0,0 +1,18 @@
> +/*
> + * USB armory MkI host mode device tree file
> + * http://inversepath.com/usbarmory
> + *
> + * Copyright (C) 2015, Inverse Path
> + * Andrej Rosano <andrej at inversepath.com>
> + *
> + * Licensed under GPLv2
> + */
> +
> +/dts-v1/;
> +
> +#include "imx53-usbarmory-common.dtsi"
> +
> +&usbotg {
> + dr_mode = "host";
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/imx53-usbarmory.dts b/arch/arm/boot/dts/imx53-usbarmory.dts
> new file mode 100644
> index 0000000..902a73b
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx53-usbarmory.dts
> @@ -0,0 +1,18 @@
> +/*
> + * USB armory MkI device mode device tree file
> + * http://inversepath.com/usbarmory
> + *
> + * Copyright (C) 2015, Inverse Path
> + * Andrej Rosano <andrej at inversepath.com>
> + *
> + * Licensed under GPLv2
> + */
> +
> +/dts-v1/;
> +
> +#include "imx53-usbarmory-common.dtsi"
> +
> +&usbotg {
> + dr_mode = "peripheral";
> + status = "okay";
> +};
> --
> 1.7.10.4
>
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