[PATCH 3/5] dt-bindings: rtc: pcf8563: Add Haoyu HYM8563 compatibility

[Nobuhiro Iwamatsu <iwamatsu@nigauri.org>]

Haoyu HYM8563 is compatible with pcf8563 with '#clock-cells'.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
 .../devicetree/bindings/rtc/nxp,pcf8563.yaml   | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
index 22909a96123e58..54c45bf3075b6a 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
@@ -4,14 +4,11 @@
 $id: http://devicetree.org/schemas/rtc/nxp,pcf8563.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Philips PCF8563/Epson RTC8564 Real Time Clock
+title: Philips PCF8563/Epson RTC8564, Haoyu Microelectronics HYM8563 Real Time Clock
 
 maintainers:
   - Alexandre Belloni <alexandre.belloni@bootlin.com>
 
-allOf:
-  - $ref: rtc.yaml#
-
 properties:
   compatible:
     enum:
@@ -19,6 +16,7 @@ properties:
       - microcrystal,rv8564
       - nxp,pca8565
       - nxp,pcf8563
+      - haoyu,hym8563
 
   reg:
     maxItems: 1
@@ -39,6 +37,18 @@ required:
   - compatible
   - reg
 
+allOf:
+  - $ref: rtc.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: haoyu,hym8563
+    then:
+      required:
+        - "#clock-cells"
+
 additionalProperties: false
 
 examples:
-- 
2.45.2