[PATCH 04/13] dt-bindings: serial: samsung: gs101: make reg-io-width required property

[Sam Protsenko]

On Thu, Dec 14, 2023 at 4:52 AM Tudor Ambarus <tudor.ambarus at linaro.org> wrote:
>
> GS101 only allows 32-bit register accesses. When using 8-bit reg
> accesses on gs101, a SError Interrupt is raised causing the system
> unusable.
>
> Make reg-io-width a required property and expect for it a value of 4.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus at linaro.org>
> ---

Reviewed-by: Sam Protsenko <semen.protsenko at linaro.org>

>  Documentation/devicetree/bindings/serial/samsung_uart.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> index 133259ed3a34..cc896d7e2a3d 100644
> --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> @@ -143,6 +143,10 @@ allOf:
>      then:
>        required:
>          - samsung,uart-fifosize
> +        - reg-io-width
> +      properties:
> +        reg-io-width:
> +          const: 4
>
>  unevaluatedProperties: false
>
> --
> 2.43.0.472.g3155946c3a-goog
>