On 2021/4/30 23:18, Rob Herring wrote:

On Thu, Apr 22, 2021 at 04:58:35PM +0800, Zhen Lei wrote:

quoted

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

Signed-off-by: Zhen Lei <redacted>
---
 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,]+)?$"

The format of unit-addresses is dictated by the bus (parent), so this is 
the wrong place to enforce this. 

Okay, so I'll leave this place unchanged.

Rob

.