dt-bindings: rtc: Add ST M48T86

Add YAML bindings for ST M48T86 / Dallas DS12887 RTC.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
index eb75861c28c32d44e8c1c729e3185f1dbc99a5b8..fc0a2c1b514f999e27273ce8cd20c835d38655b6 100644 (file)
--- a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
@@ -69,6 +69,8 @@ properties:
       - ricoh,rv5c387a
       # 2-wire CMOS real-time clock
       - sii,s35390a
+      # STMicroelectronics RTC with SRAM
+      - st,m48t86
       # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
       - whwave,sd3078
       # Xircom X1205 I2C RTC