dt-bindings: rtc: sun6i: Add compatible for H6 RTC

RTC on H6 is similar to the one on H5 SoC, but incompatible in small
details. See the driver for description of differences. For example
H6 RTC needs to enable the external low speed oscillator. Add new
compatible for this RTC.

Signed-off-by: Ondrej Jirman <megous@megous.com>
Link: https://lore.kernel.org/r/20190820151934.3860-2-megous@megous.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
index 924622f39c4408752f01f1ab1b85165a93ea5bfb..d7a57ec4a6400bec0f0107fb1aeba516a1175bb1 100644 (file)
--- a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
@@ -25,6 +25,7 @@ properties:
       - items:
           - const: allwinner,sun50i-a64-rtc
           - const: allwinner,sun8i-h3-rtc
+      - const: allwinner,sun50i-h6-rtc
 
   reg:
     maxItems: 1
@@ -92,6 +93,18 @@ allOf:
           minItems: 3
           maxItems: 3
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: allwinner,sun50i-h6-rtc
+
+    then:
+      properties:
+        clock-output-names:
+          minItems: 3
+          maxItems: 3
+
   - if:
       properties:
         compatible: