Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / rtc / sunxi-rtc.txt

diff --git a/kernel/Documentation/devicetree/bindings/rtc/sunxi-rtc.txt b/kernel/Documentation/devicetree/bindings/rtc/sunxi-rtc.txt
new file mode 100644 (file)
index 0000000..6983aad
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/rtc/sunxi-rtc.txt
@@ -0,0 +1,17 @@
+* sun4i/sun7i Real Time Clock
+
+RTC controller for the Allwinner A10/A20
+
+Required properties:
+- compatible : Should be "allwinner,sun4i-a10-rtc" or "allwinner,sun7i-a20-rtc"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- interrupts: IRQ line for the RTC.
+
+Example:
+
+rtc: rtc@01c20d00 {
+       compatible = "allwinner,sun4i-a10-rtc";
+       reg = <0x01c20d00 0x20>;
+       interrupts = <24>;
+};