From: Boris BREZILLON <boris.brezillon@free-electrons.com>
To: Lee Jones <lee.jones@linaro.org>
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 19:57:27 +0200 [thread overview]
Message-ID: <20140917195727.1c75a062@bbrezillon> (raw)
In-Reply-To: <20140917163405.GM30918@lee--X1>
Hi Lee,
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).
Best Regards,
Boris
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: boris.brezillon@free-electrons.com (Boris BREZILLON)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 9/9] mfd: syscon: add Atmel GPBR DT bindings documention
Date: Wed, 17 Sep 2014 19:57:27 +0200 [thread overview]
Message-ID: <20140917195727.1c75a062@bbrezillon> (raw)
In-Reply-To: <20140917163405.GM30918@lee--X1>
Hi Lee,
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 at 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).
Best Regards,
Boris
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2014-09-17 17:57 UTC|newest]
Thread overview: 42+ 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 ` 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 ` Boris BREZILLON
2014-09-11 13:18 ` 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 ` Boris BREZILLON
2014-09-11 13:18 ` 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 ` Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 4/9] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-11 13:18 ` 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 13:18 ` Boris BREZILLON
2014-09-11 13:18 ` Boris BREZILLON
2014-09-11 13:44 ` Boris BREZILLON
2014-09-11 13:44 ` Boris BREZILLON
2014-09-11 13:53 ` [PATCH v5 " Boris BREZILLON
2014-09-11 13:53 ` Boris BREZILLON
2014-09-11 13:53 ` Boris BREZILLON
2014-09-11 17:42 ` Alexandre Belloni
2014-09-11 17:42 ` Alexandre Belloni
2014-09-11 17:42 ` Alexandre Belloni
2014-09-12 5:33 ` Boris BREZILLON
2014-09-12 5:33 ` Boris BREZILLON
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 ` 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 ` Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 8/9] rtc: at91sam9: add DT bindings documentation Boris BREZILLON
2014-09-11 13:18 ` Boris BREZILLON
2014-09-11 13:18 ` [PATCH v4 9/9] mfd: syscon: add Atmel GPBR DT bindings documention Boris BREZILLON
2014-09-11 13:18 ` Boris BREZILLON
2014-09-17 16:34 ` Lee Jones
2014-09-17 16:34 ` Lee Jones
2014-09-17 16:34 ` Lee Jones
2014-09-17 17:57 ` Boris BREZILLON [this message]
2014-09-17 17:57 ` Boris BREZILLON
2014-09-17 21:32 ` Lee Jones
2014-09-17 21:32 ` Lee Jones
2014-09-17 21:32 ` Lee Jones
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