dt-bindings: serial: snps-dw-apb-uart: make interrupt optional

The driver fall back to poll style when there's no irq. "poll" still
looks better than no support.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230806092056.2467-2-jszhang@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
index 3862411..17c5531 100644 (file)
--- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
@@ -117,7 +117,6 @@ properties:
 required:
   - compatible
   - reg
-  - interrupts
 
 unevaluatedProperties: false