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SubjectRe: [PATCH v3 8/8] rtc: at91sam9: add DT bindings documentation
On Thu, Sep 11, 2014 at 10:56:07AM +0200, Boris BREZILLON wrote:
> Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
> ---
> .../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?

> +};

Johan


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