dt-bindings: serial: amlogic,meson-uart: Add compatible string for A9

Amlogic A9 SoCs uses the same UART controller as S4 SoCs.
There is no need for an extra compatible line in the driver,
but add A9 compatible line for documentation.

Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://patch.msgid.link/20260303-serial-binding-v1-1-c3df2a8f6fa3@amlogic.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
index d8ad1bb6172da200b280c3db7b11eeada2b5e8c2..a2702319685d54f7b8c7d52c3d4035959b8766ef 100644 (file)
--- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
@@ -56,6 +56,7 @@ properties:
         items:
           - enum:
               - amlogic,a4-uart
+              - amlogic,a9-uart
               - amlogic,s6-uart
               - amlogic,s7-uart
               - amlogic,s7d-uart