On Thu, 11 Sep 2014 11:42:13 +0200
Johan Hovold <johan@xxxxxxxxxx> wrote:
> On Thu, Sep 11, 2014 at 10:56:07AM +0200, Boris BREZILLON wrote:
> > Signed-off-by: Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 24 ++++++++++++++++++++++
> > 1 file changed, 24 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> >
> > diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> > new file mode 100644
> > index 0000000..258a036
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> > @@ -0,0 +1,24 @@
> > +Atmel AT91SAM9260 Real Time Timer
> > +
> > +Required properties:
> > +- compatible: should be: "atmel,at91sam9260-rtt"
> > +- reg: should encode the memory region of the RTT controller
> > +- interrupts: rtc alarm/event interrupt
> > +- clocks: should contain one clock pointing the the slow clk
> > +- atmel,time-reg: should encode the GPBR register used to store the RTC
> > + time. The first cell should point to the GPBR node and
> > + the second one encode the offset within the GPBR block
> > + (or in other terms, the GPBR register used to store the
> > + current time value).
> > +
> > +
> > +
> > +Example:
> > +
> > +rtc@fffffe00 {
>
> This should be rtt@
>
> > + compatible = "atmel,at91sam9260-rtt";
> > + reg = <0xfffffd20 0x10>;
> > + interrupts = <1 4 7>;
> > + clocks = <&clk32k>;
> > + atmel,time-reg = <&gpbr 0x0>;
>
> I think the property name could be more descriptive as it is specific to
> when the RTT is used as an RTC. Perhaps, atmel,rtt-rtc-time-reg?
No problem, I'll change both names for the next version.
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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