From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2 1/2] Documentation: DT: Add entry for ARM SP805-WDT Date: Sun, 13 Dec 2015 19:06:19 -0600 Message-ID: <20151214010619.GA848@rob-hp-laptop> References: <1449834467-30283-1-git-send-email-bhupesh.sharma@freescale.com> <1449834467-30283-2-git-send-email-bhupesh.sharma@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1449834467-30283-2-git-send-email-bhupesh.sharma-KZfg59tc24xl57MIdRCFDg@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Bhupesh Sharma Cc: arnd-r2nGTMty4D4@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, bhupesh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Catalin.Marinas-5wv7dgnIgG8@public.gmane.org, LeoLi-KZfg59tc24xl57MIdRCFDg@public.gmane.org, scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org, stuart.yoder-KZfg59tc24xl57MIdRCFDg@public.gmane.org List-Id: devicetree@vger.kernel.org On Fri, Dec 11, 2015 at 05:17:46PM +0530, Bhupesh Sharma wrote: > This patch adds a devicetree binding documentation for ARM's > SP805 WatchDog Timer. > > Signed-off-by: Bhupesh Sharma > --- > .../devicetree/bindings/watchdog/sp805-wdt.txt | 29 ++++++++++++++++++++ > 1 file changed, 29 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/sp805-wdt.txt > > diff --git a/Documentation/devicetree/bindings/watchdog/sp805-wdt.txt b/Documentation/devicetree/bindings/watchdog/sp805-wdt.txt > new file mode 100644 > index 0000000..45b5afc > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/sp805-wdt.txt > @@ -0,0 +1,29 @@ > +* ARM SP805 Watchdog Timer (WDT) Controller > + > +SP805 WDT is a ARM Primecell Peripheral and has a standard-id register that > +can be used to identify the peripheral type, vendor, and revision. > +This value can be used for driver matching. > + > +As SP805 WDT is a primecell IP, it follows the base bindings specified in > +'arm/primecell.txt' > + > +Required properties: > +- compatible : Should be "arm,sp805-wdt", "arm,primecell" > +- reg : Base address and size of the watchdog timer registers. > +- clocks : From common clock binding. > + First clock is PCLK and the second is WDOGCLK. > + WDOGCLK can be equal to or be a sub-multiple of the PCLK frequency. > +- clock-names : From common clock binding. Shall be "apb_pclk" for first clock. And for the 2nd clock? > + > +Optional properties: > +- interrupts : Should specify WDT interrupt number. > + > +Examples: > + > + cluster1_core0_watchdog: wdt@c000000 { > + compatible = "arm,sp805-wdt", "arm,primecell"; > + reg = <0x0 0xc000000 0x0 0x1000>; > + clocks = <&clockgen 4 3>, <&clockgen 4 3>; > + clock-names = "apb_pclk", "wdog_clk"; > + }; > + > -- > 1.7.9.5 > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html