1 files changed, 16 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt
new file mode 100644
index 000000000000..b800070fe6e9
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt
@@ -0,0 +1,16 @@
+* STMP3xxx/i.MX28 Time Clock controller
+
+Required properties:
+- compatible: should be one of the following.
+    * "fsl,stmp3xxx-rtc"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- interrupts: rtc alarm interrupt
+
+Example:
+
+rtc@80056000 {
+        compatible = "fsl,imx28-rtc", "fsl,stmp3xxx-rtc";
+        reg = <0x80056000 2000>;
+        interrupts = <29>;
+};