On some systems, S3FWRN5 depends on having an external clock enabled
to function correctly. Allow declaring that clock (optionally) in the
device tree.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
---
 .../devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
index 477066e2b821..081742c2b726 100644
--- a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
+++ b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
@@ -27,6 +27,9 @@ properties:
   reg:
     maxItems: 1
 
+  clocks:
+    maxItems: 1
+
   wake-gpios:
     maxItems: 1
     description:
@@ -80,6 +83,8 @@ examples:
 
             en-gpios = <&gpf1 4 GPIO_ACTIVE_HIGH>;
             wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>;
+
+            clocks = <&rpmcc 20>;
         };
     };
   # UART example on Raspberry Pi
-- 
2.31.1