From: Xianwei Zhao <xianwei.zhao@amlogic.com>

Amlogic A4 SoCs uses the same UART controller as S4 SoCs and G12A.
There is no need for an extra compatible line in the driver, but
add A4 compatible line for documentation.

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
 Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
index 2e189e548327..0565fb7649c5 100644
--- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
@@ -54,7 +54,9 @@ properties:
           - const: amlogic,meson-gx-uart
       - description: UART controller on S4 compatible SoCs
         items:
-          - const: amlogic,t7-uart
+          - enum:
+              - amlogic,a4-uart
+              - amlogic,t7-uart
           - const: amlogic,meson-s4-uart
 
   reg:

-- 
2.37.1

On Mon, Apr 1, 2024 at 12:10 PM Xianwei Zhao via B4 Relay
<devnull+xianwei.zhao.amlogic.com@kernel.org> wrote:
>
> From: Xianwei Zhao <xianwei.zhao@amlogic.com>
>
> Amlogic A4 SoCs uses the same UART controller as S4 SoCs and G12A.
> There is no need for an extra compatible line in the driver, but
> add A4 compatible line for documentation.
>
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

On Mon, Apr 01, 2024 at 06:10:51PM +0800, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao@amlogic.com>
> 
> Amlogic A4 SoCs uses the same UART controller as S4 SoCs and G12A.
> There is no need for an extra compatible line in the driver, but
> add A4 compatible line for documentation.
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.