From: Nicolas Ferre <nicolas.ferre@atmel.com>
To: Boris BREZILLON <boris.brezillon@free-electrons.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>,
"Samuel Ortiz" <sameo@linux.intel.com>,
Lee Jones <lee.jones@linaro.org>,
Johan Hovold <jhovold@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
"Mark Rutland" <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 9/9] mfd: syscon: add Atmel GPBR DT bindings documention
Date: Tue, 23 Sep 2014 10:23:47 +0200 [thread overview]
Message-ID: <54212E13.9000004@atmel.com> (raw)
In-Reply-To: <1411400563-570-10-git-send-email-boris.brezillon@free-electrons.com>
On 22/09/2014 17:42, Boris BREZILLON :
> 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>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.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 {
> + compatible = "atmel,at91sam9260-gpbr", "syscon";
> + reg = <0xfffffd50 0x10>;
> +};
>
--
Nicolas Ferre
prev parent reply other threads:[~2014-09-23 8:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 15:42 [PATCH v6 0/9] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-22 15:42 ` [PATCH v6 1/9] rtc: at91sam9: remove references to mach specific headers Boris BREZILLON
2014-09-23 8:13 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 2/9] rtc: at91sam9: use standard readl/writel functions instead of raw versions Boris BREZILLON
2014-09-23 8:14 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 3/9] rtc: at91sam9: replace devm_ioremap by devm_ioremap_resource Boris BREZILLON
2014-09-23 8:15 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 4/9] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-23 8:16 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 5/9] rtc: at91sam9: make use of syscon/regmap to access GPBR registers Boris BREZILLON
2014-09-23 8:31 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 6/9] ARM: at91: add clk_lookup entry for RTT devices Boris BREZILLON
2014-09-23 8:23 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 7/9] rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK Boris BREZILLON
2014-09-23 8:21 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 8/9] rtc: at91sam9: add DT bindings documentation Boris BREZILLON
2014-09-23 7:57 ` Johan Hovold
2014-09-23 8:24 ` Nicolas Ferre
2014-09-22 15:42 ` [PATCH v6 9/9] mfd: syscon: add Atmel GPBR DT bindings documention Boris BREZILLON
2014-09-23 8:23 ` Nicolas Ferre [this message]
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