From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH v4 9/9] mfd: syscon: add Atmel GPBR DT bindings documention Date: Wed, 17 Sep 2014 09:34:05 -0700 Message-ID: <20140917163405.GM30918@lee--X1> References: <1410441525-25258-1-git-send-email-boris.brezillon@free-electrons.com> <1410441525-25258-10-git-send-email-boris.brezillon@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1410441525-25258-10-git-send-email-boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Boris BREZILLON Cc: Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Andrew Victor , Alessandro Zummo , rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Johan Hovold , Mark Rutland , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Pawel Moll , Ian Campbell , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Kumar Gala , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Thu, 11 Sep 2014, Boris BREZILLON wrote: > The GPBR block provides a set of battery-backed registers that can be= used > to save data which need to be kept when the system is powered down an= d > VDD-core is maintained by an external battery. >=20 > A typical usage is the RTT block (when used as an RTC) which needs on= e of > those registers to save the current time. >=20 > Signed-off-by: Boris BREZILLON > --- > Documentation/devicetree/bindings/mfd/atmel,gpbr.txt | 15 ++++++++++= +++++ > 1 file changed, 15 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/atmel,gpbr.= txt >=20 > diff --git a/Documentation/devicetree/bindings/mfd/atmel,gpbr.txt b/D= ocumentation/devicetree/bindings/mfd/atmel,gpbr.txt > new file mode 100644 > index 0000000..a285695 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/atmel,gpbr.txt > @@ -0,0 +1,15 @@ > +* Device tree bindings for Atmel GPBR (General Purpose Backup Regist= ers) > + > +The GPBR are a set of battery-backed registers. > + > +Required properties: > +- compatible: "atmel,at91sam9260-gpbr", "syscon" > +- reg: contains offset/length value of the GPBR memory > + region. > + > +Example: > + > +gpbr: gpbr@fffffd50 { Is something referencing this node via phandle? If not, please remove the label. > + compatible =3D "atmel,at91sam9260-gpbr", "syscon"; > + reg =3D <0xfffffd50 0x10>; > +}; --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe devicetree" i= n the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html