[PATCH v2 1/3] dt-bindings: serial: Normalize the node name of the serial port

[Zhen Lei]

Only letters, digits, and commas that describe the base address of the
serial port in hexadecimal format are allowed.

Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/serial/serial.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index 65e75d040521..71aec7fda07d 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -21,7 +21,7 @@ description:
 
 properties:
   $nodename:
-    pattern: "^serial(@.*)?$"
+    pattern: "^serial(@[0-9a-f,]+)?$"
 
   cts-gpios:
     maxItems: 1
-- 
2.21.1