Message ID | 1411377058-26155-9-git-send-email-boris.brezillon@free-electrons.com |
---|---|
State | Superseded, archived |
Headers | show |
On Mon, Sep 22, 2014 at 11:10:57AM +0200, Boris BREZILLON wrote: > Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> > --- > .../devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 23 ++++++++++++++++++++++ > 1 file changed, 23 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..5b2bb73 > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt > @@ -0,0 +1,23 @@ > +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 rtt alarm > +- clocks: should contain one clock pointing the the slow clk > +- atmel,rtt-rtc-time-reg: should encode the GPBR register used to store > + the RTC time. The first cell should point to the GPBR node and "used to store the time base when the RTT is used as an RTC"? Johan -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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..5b2bb73 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt @@ -0,0 +1,23 @@ +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,rtt-rtc-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 words, the GPBR register used to store the current time + value). + + +Example: + +rtt@fffffe00 { + compatible = "atmel,at91sam9260-rtt"; + reg = <0xfffffd20 0x10>; + interrupts = <1 4 7>; + clocks = <&clk32k>; + atmel,rtt-rtc-time-reg = <&gpbr 0x0>; +};
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> --- .../devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt