[PATCH v2 2/2] doc: dt: add documentation for alphascale,asm9260-rtc

[Oleksij Rempel <linux-YEK0n+YFykbzxQdaRaTXBw@public.gmane.org>]

Document Alphascale asm9260 RTC bindings

Signed-off-by: Oleksij Rempel <linux-YEK0n+YFykbzxQdaRaTXBw@public.gmane.org>
---
 .../bindings/rtc/alphascale,asm9260-rtc.txt           | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt
new file mode 100644
index 0000000..76ebca5
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt
@@ -0,0 +1,19 @@
+* Alphascale asm9260 SoC Real Time Clock
+
+Required properties:
+- compatible: Should be "alphascale,asm9260-rtc"
+- reg: Physical base address of the controller and length
+       of memory mapped region.
+- interrupts: IRQ line for the RTC.
+- clocks: Reference to the clock entry.
+- clock-names: should contain:
+  * "ahb" for the SoC RTC clock
+
+Example:
+rtc0: rtc@800a0000 {
+	compatible = "alphascale,asm9260-rtc";
+	reg = <0x800a0000 0x100>;
+	clocks = <&acc CLKID_AHB_RTC>;
+	clock-names = "ahb";
+	interrupts = <2>;
+};
-- 
2.5.0

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