[PATCH 1/3] dt-bindings: rtc: pcf2127: Add support for clkout clock

[Herve Codina]

PCF2127, PCF2129, PCF2131 and PCA2129 provide a configurable output
clock on their CLKOUT pins.

Add support for this clock considering those devices as clock
providers.

Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
index 11fcf0ca1ae0..11c0bc04f304 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
@@ -27,6 +27,12 @@ properties:
   interrupts:
     maxItems: 1
 
+  "#clock-cells":
+    const: 0
+
+  clock-output-names:
+    maxItems: 1
+
   start-year: true
 
   reset-source: true
-- 
2.56.0