[PATCH v4 8/9] rtc: at91sam9: add DT bindings documentation
From: Boris BREZILLON <hidden>
Date: 2014-09-11 13:21:57
Also in:
linux-devicetree, linux-rtc, lkml
Subsystem:
open firmware and flattened device tree bindings, real time clock (rtc) subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Alexandre Belloni, Linus Torvalds
Signed-off-by: Boris BREZILLON <redacted> --- .../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 +- 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 at fffffe00 { + compatible = "atmel,at91sam9260-rtt"; + reg = <0xfffffd20 0x10>; + interrupts = <1 4 7>; + clocks = <&clk32k>; + atmel,rtt-rtc-time-reg = <&gpbr 0x0>; +};
--
1.9.1