[PATCH 1/3] dt-bindings: rtc-2127: Add bindings for nxp,rtc-2127.txt

[Qiang Zhao]

From: Zhao Qiang <qiang.zhao@xxxxxxx>

Add bindings for nxp,rtc-2127

Signed-off-by: Zhao Qiang <qiang.zhao@xxxxxxx>
---
 Documentation/devicetree/bindings/rtc/nxp,rtc-2127.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/nxp,rtc-2127.txt

diff --git a/Documentation/devicetree/bindings/rtc/nxp,rtc-2127.txt b/Documentation/devicetree/bindings/rtc/nxp,rtc-2127.txt
new file mode 100644
index 0000000..c822e10
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,rtc-2127.txt
@@ -0,0 +1,18 @@
+NXP PCF2127 SPI Real Time Clock
+
+Required properties:
+- compatible: should be: "nxp,pcf2127"
+                      or "nxp,pcf2129"
+- reg: should be the SPI slave chipselect address
+
+Optional properties:
+- no-watchdog: PCF2127 is not used as watchdog
+
+Example:
+
+pcf2127: rtc@51 {
+	compatible = "nxp,pcf2127";
+	reg = <0x51>;
+	interrupts = <0 150 0x4>;
+	no-watchdog;
+};
-- 
2.7.4