[PATCH v2 07/11] dt-bindings: rtc: qcom-pm8xxx: document qcom,pm8921-rtc as fallback of qcom,pm8018-rtc

[Neil Armstrong <neil.armstrong@xxxxxxxxxx>]

The PM8018 RTC is used as compatible with PM8921 RTC on the MDM9615, document this situation.

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>

diff --git a/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml b/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml
index 23ab5bb4f395..0a7aa29563c1 100644
--- a/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml
@@ -11,12 +11,16 @@ maintainers:
 
 properties:
   compatible:
-    enum:
-      - qcom,pm8058-rtc
-      - qcom,pm8921-rtc
-      - qcom,pm8941-rtc
-      - qcom,pm8018-rtc
-      - qcom,pmk8350-rtc
+    oneOf:
+      - enum:
+          - qcom,pm8058-rtc
+          - qcom,pm8921-rtc
+          - qcom,pm8941-rtc
+          - qcom,pmk8350-rtc
+      - items:
+          - enum:
+              - qcom,pm8018-rtc
+          - const: qcom,pm8921-rtc
 
   reg:
     minItems: 1

-- 
b4 0.10.0