[PATCH v2 1/3] Documentation: Add documentation for the APM X-Gene SoC RTC DTS binding

[Loc Ho <lho-qTEPVZfXA3Y@public.gmane.org>]

This patch adds documentation for the APM X-Gene SoC RTC DTS binding.

Signed-off-by: Rameshwar Prasad Sahu <rsahu-qTEPVZfXA3Y@public.gmane.org>
Signed-off-by: Loc Ho <lho-qTEPVZfXA3Y@public.gmane.org>
---
 .../devicetree/bindings/rtc/xgene-rtc.txt          |   28 ++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/xgene-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/xgene-rtc.txt b/Documentation/devicetree/bindings/rtc/xgene-rtc.txt
new file mode 100644
index 0000000..fd195c3
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/xgene-rtc.txt
@@ -0,0 +1,28 @@
+* APM X-Gene Real Time Clock
+
+RTC controller for the APM X-Gene Real Time Clock
+
+Required properties:
+- compatible : Should be "apm,xgene-rtc"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- interrupts: IRQ line for the RTC.
+- #clock-cells: Should be 1.
+- clocks: Reference to the clock entry.
+
+Example:
+
+rtcclk: rtcclk {
+	compatible = "fixed-clock";
+	#clock-cells = <1>;
+	clock-frequency = <100000000>;
+	clock-output-names = "rtcclk";
+};
+
+rtc: rtc@10510000 {
+	compatible = "apm,xgene-rtc";
+	reg = <0x0 0x10510000 0x0 0x400>;
+	interrupts = <0x0 0x46 0x4>;
+	#clock-cells = <1>;
+	clocks = <&rtcclk 0>;
+};
-- 
1.5.5

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