On Mon, Apr 27, 2015 at 03:37:08PM +0200, Andrej Rosano wrote: > Hi Shawn, > > On Mon, Apr 27, 2015 at 07:57:48PM +0800, Shawn Guo wrote: > > +Peter > > > > On Fri, Mar 27, 2015 at 01:23:00PM -0700, Vagrant Cascadian wrote: > > > Add support for the USB armory board by Inverse Path. This board > > > features a Freescale iMX53 SoC, 512MB RAM, and USB OTG operating in > > > either peripheral or host mode, and 5 GPIO pins. > > > > > > One .dtb is generated for operating in peripheral mode, and one is > > > generated for operating in host mode. > > > > Vagrant, > > > > Does that mean this board can work in peripheral or host mode but can > > switch between them at run-time? > > The board can switch between host and peripheral mode without any > hardware modification, but it need to reboot itself to pick up the > corresponding dtb file. I am not sure if there is possible using the > devicetree overlay feature to switch between the two modes runtime. > Not a good way, it is just one board with two different usb cables. Current chipidea usb driver supports role switch function well, if you have a gpio or id pin for it. Peter > Andrej > > > > > Shawn > > > > > > > > Signed-off-by: Vagrant Cascadian <vagrant@xxxxxxxxxx> > > > Cc: Andrej Rosano <andrej@xxxxxxxxxxxxxxx> > > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > > > Cc: Pawel Moll <pawel.moll@xxxxxxx> > > > Cc: Mark Rutland <mark.rutland@xxxxxxx> > > > Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx> > > > Cc: Kumar Gala <galak@xxxxxxxxxxxxxx> > > > Cc: Russell King <linux@xxxxxxxxxxxxxxxx> > > > Cc: Shawn Guo <shawn.guo@xxxxxxxxxx> > > > Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx> > > > Cc: devicetree@xxxxxxxxxxxxxxx > > > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > > > Cc: linux-kernel@xxxxxxxxxxxxxxx > > > --- > > > arch/arm/boot/dts/Makefile | 2 + > > > arch/arm/boot/dts/imx53-usbarmory-host_mode.dts | 17 +++ > > > arch/arm/boot/dts/imx53-usbarmory.dts | 13 ++ > > > arch/arm/boot/dts/imx53-usbarmory.dtsi | 183 ++++++++++++++++++++++++ > > > 4 files changed, 215 insertions(+) > > > create mode 100644 arch/arm/boot/dts/imx53-usbarmory-host_mode.dts > > > create mode 100644 arch/arm/boot/dts/imx53-usbarmory.dts > > > create mode 100644 arch/arm/boot/dts/imx53-usbarmory.dtsi > > > > > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > > > index a1c776b..bd2258b 100644 > > > --- a/arch/arm/boot/dts/Makefile > > > +++ b/arch/arm/boot/dts/Makefile > > > @@ -244,6 +244,8 @@ dtb-$(CONFIG_SOC_IMX53) += \ > > > imx53-smd.dtb \ > > > imx53-tx53-x03x.dtb \ > > > imx53-tx53-x13x.dtb \ > > > + imx53-usbarmory.dtb \ > > > + imx53-usbarmory-host_mode.dtb \ > > > imx53-voipac-bsb.dtb > > > dtb-$(CONFIG_SOC_IMX6Q) += \ > > > imx6dl-aristainetos_4.dtb \ > > > diff --git a/arch/arm/boot/dts/imx53-usbarmory-host_mode.dts b/arch/arm/boot/dts/imx53-usbarmory-host_mode.dts > > > new file mode 100644 > > > index 0000000..a94cb1d > > > --- /dev/null > > > +++ b/arch/arm/boot/dts/imx53-usbarmory-host_mode.dts > > > @@ -0,0 +1,17 @@ > > > +/* > > > + * Copyright 2015 Inverse Path, S.r.l. > > > + * > > > + * The code contained herein is licensed under the GNU General Public > > > + * License. You may obtain a copy of the GNU General Public License > > > + * Version 2 or later at the following locations: > > > + * > > > + * http://www.opensource.org/licenses/gpl-license.html > > > + * http://www.gnu.org/copyleft/gpl.html > > > + */ > > > + > > > +/dts-v1/; > > > +#include "imx53-usbarmory.dtsi" > > > + > > > +&usbotg { > > > + dr_mode = "host"; > > > +}; > > > diff --git a/arch/arm/boot/dts/imx53-usbarmory.dts b/arch/arm/boot/dts/imx53-usbarmory.dts > > > new file mode 100644 > > > index 0000000..c86a4d8 > > > --- /dev/null > > > +++ b/arch/arm/boot/dts/imx53-usbarmory.dts > > > @@ -0,0 +1,13 @@ > > > +/* > > > + * Copyright 2015 Inverse Path, S.r.l. > > > + * > > > + * The code contained herein is licensed under the GNU General Public > > > + * License. You may obtain a copy of the GNU General Public License > > > + * Version 2 or later at the following locations: > > > + * > > > + * http://www.opensource.org/licenses/gpl-license.html > > > + * http://www.gnu.org/copyleft/gpl.html > > > + */ > > > + > > > +/dts-v1/; > > > +#include "imx53-usbarmory.dtsi" > > > diff --git a/arch/arm/boot/dts/imx53-usbarmory.dtsi b/arch/arm/boot/dts/imx53-usbarmory.dtsi > > > new file mode 100644 > > > index 0000000..b4a9052 > > > --- /dev/null > > > +++ b/arch/arm/boot/dts/imx53-usbarmory.dtsi > > > @@ -0,0 +1,183 @@ > > > +/* > > > + * Copyright 2015 Inverse Path, S.r.l. > > > + * > > > + * The code contained herein is licensed under the GNU General Public > > > + * License. You may obtain a copy of the GNU General Public License > > > + * Version 2 or later at the following locations: > > > + * > > > + * http://www.opensource.org/licenses/gpl-license.html > > > + * http://www.gnu.org/copyleft/gpl.html > > > + */ > > > + > > > +#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"; > > > + }; > > > + }; > > > +}; > > > + > > > +&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@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"; > > > +}; > > > + > > > +&usbotg { > > > + dr_mode = "peripheral"; > > > + status = "okay"; > > > +}; > > > + > > > +&i2c1 { > > > + 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>; > > > + }; > > > + }; > > > + }; > > > +}; > > > -- > > > 2.1.4 > > > > > > > > > -- > Andrej Rosano Inverse Path Srl > <andrej@xxxxxxxxxxxxxxx> http://www.inversepath.com > > 0x01939B21 5BB8 574E 68E8 D841 E18F D5E9 CEAD E0CF 0193 9B21 -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
