Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / rtc / stmp3xxx-rtc.txt
index b800070fe6e90e5a2f4d5bceb2c81e92feeb2903..fa6a9422666982b03eb659a2726845a81514d01d 100644 (file)
@@ -7,6 +7,11 @@ Required properties:
   region.
 - interrupts: rtc alarm interrupt
 
+Optional properties:
+- stmp,crystal-freq: override crystal frequency as determined from fuse bits.
+  Only <32000> and <32768> are possible for the hardware.  Use <0> for
+  "no crystal".
+
 Example:
 
 rtc@80056000 {