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Date: Tue, 16 Apr 2013 17:52:32 -0700 From: Tony Lindgren <tony@...mide.com> To: Roger Quadros <rogerq@...com> Cc: b-cousson@...com, linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ARM: dts: omap3-beagle-xm: Add USB Host support for Rev Ax/Bx * Roger Quadros <rogerq@...com> [130415 05:44]: > On 04/15/2013 03:35 PM, Roger Quadros wrote: > > Provide RESET and Power regulators for the USB PHY, > > the USB Host port mode and the PHY device. > > > > Also provide pin multiplexer information for USB host > > pins. > > > > This will not work for Rev Cx boards because of reversed logic > > for USB_POWER_Enable. > > > > CC: BenoƮt Cousson <b-cousson@...com> > > Signed-off-by: Roger Quadros <rogerq@...com> > > --- > > arch/arm/boot/dts/omap3-beagle-xm.dts | 62 +++++++++++++++++++++++++++++++++ > > 1 files changed, 62 insertions(+), 0 deletions(-) > > > > diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts > > index 5a31964..d394c51 100644 > > --- a/arch/arm/boot/dts/omap3-beagle-xm.dts > > +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts > > @@ -57,6 +57,60 @@ > > ti,mcbsp = <&mcbsp2>; > > ti,codec = <&twl_audio>; > > }; > > + > > + /* HS USB Port 2 RESET */ > > + hsusb2_reset: hsusb2_reset_reg { > > + compatible = "regulator-fixed"; > > + regulator-name = "hsusb2_reset"; > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + gpio = <&gpio5 19 0>; /* gpio_147 */ > > + startup-delay-us = <70000>; > > + enable-active-high; > > + }; > > + > > + /* HS USB Port 2 Power */ > > + hsusb2_power: hsusb2_power_reg { > > + compatible = "regulator-fixed"; > > + regulator-name = "hsusb2_vbus"; > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + gpio = <&twl_gpio 18 0>; /* GPIO LEDA */ > > + startup-delay-us = <70000>; > > + enable-active-high; /* FIXME: active-low for Rev. C */ > > Benoit & Tony, > > Any ideas how to tackle the reversed logic for Rev. C boards? Sounds like we need a shared omap3-beage.dtsi, then omap3-beagle-xm.dts and omap3-beagle-rev-c.dts. Then xm and rev-c can both include the common .dtsi. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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