From: Lee Jones <lee.jones@linaro.org>
To: Boris BREZILLON <boris.brezillon@free-electrons.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Alexandre Belloni <alexandre.belloni@free-electrons.com>,
Andrew Victor <linux@maxim.org.za>,
Alessandro Zummo <a.zummo@towertech.it>,
rtc-linux@googlegroups.com, Johan Hovold <jhovold@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Kumar Gala <galak@codeaurora.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 9/9] mfd: syscon: add Atmel GPBR DT bindings documention
Date: Wed, 17 Sep 2014 14:32:16 -0700 [thread overview]
Message-ID: <20140917213216.GS30918@lee--X1> (raw)
In-Reply-To: <20140917195727.1c75a062@bbrezillon>
On Wed, 17 Sep 2014, Boris BREZILLON wrote:
> On Wed, 17 Sep 2014 09:34:05 -0700
> Lee Jones <lee.jones@linaro.org> wrote:
>
> > 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 and
> > > VDD-core is maintained by an external battery.
> > >
> > > A typical usage is the RTT block (when used as an RTC) which needs one of
> > > those registers to save the current time.
> > >
> > > Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
> > > ---
> > > Documentation/devicetree/bindings/mfd/atmel,gpbr.txt | 15 +++++++++++++++
> > > 1 file changed, 15 insertions(+)
> > > create mode 100644 Documentation/devicetree/bindings/mfd/atmel,gpbr.txt
> > >
> > > diff --git a/Documentation/devicetree/bindings/mfd/atmel,gpbr.txt b/Documentation/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 Registers)
> > > +
> > > +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.
>
> Yes, the rtt device is referencing it in its atmel,rtt-rtc-time-reg
> property (see patch 8 of this series).
How can I? You only sent me patch 9.
Patch looks good, I'm going to apply it.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
prev parent reply other threads:[~2014-09-17 21:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 13:18 [PATCH v4 0/9] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 1/9] rtc: at91sam9: remove references to mach specific headers Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 2/9] rtc: at91sam9: use standard readl/writel functions instead of raw versions Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 3/9] rtc: at91sam9: replace devm_ioremap by devm_ioremap_resource Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 4/9] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 5/9] rtc: at91sam9: make use of syscon/regmap to access GPBR registers Boris BREZILLON
2014-09-11 13:44 ` Boris BREZILLON
2014-09-11 13:53 ` [PATCH v5 " Boris BREZILLON
2014-09-11 17:42 ` Alexandre Belloni
2014-09-12 5:33 ` Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 6/9] ARM: at91: add clk_lookup entry for RTT devices Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 7/9] rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 8/9] rtc: at91sam9: add DT bindings documentation Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 9/9] mfd: syscon: add Atmel GPBR DT bindings documention Boris BREZILLON
2014-09-17 16:34 ` Lee Jones
2014-09-17 17:57 ` Boris BREZILLON
2014-09-17 21:32 ` Lee Jones [this message]
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