[PATCH 1/2] dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation

[Baolin Wang]

This patch adds the binding documentation for Spreadtrum SC27xx series
RTC device.

Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxx>
---
 .../devicetree/bindings/rtc/sprd,sc27xx-rtc.txt    |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt b/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt
new file mode 100644
index 0000000..971d3a2
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt
@@ -0,0 +1,16 @@
+Spreadtrum SC27xx Real Time Clock
+
+Required properties:
+- compatible: should be "sprd,sc27xx-rtc".
+- reg: address offset of rtc register.
+- interrupt-parent: phandle for the interrupt controller.
+- interrupts: rtc alarm interrupt.
+
+Example:
+
+	rtc: rtc@280 {
+		compatible = "sprd,sc27xx-rtc";
+		reg = <0x280>;
+		interrupt-parent = <&pmic>;
+		interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+	};
-- 
1.7.9.5