On Fri, Feb 23, 2024 at 10:55:59PM +0530, Varshini Rajendran wrote:
> Add sam9x7 compatible to DT bindings documentation.
>
> Signed-off-by: Varshini Rajendran <varshini.rajendran@xxxxxxxxxxxxx>
> ---
> Changes in v4:
> - Fixed the wrong addition of compatible
> - Added further compatibles that are possible correct (as per DT)
> ---
> .../devicetree/bindings/serial/atmel,at91-usart.yaml | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml b/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
> index 65cb2e5c5eee..30af537e8e81 100644
> --- a/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
> +++ b/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
> @@ -23,11 +23,17 @@ properties:
> - const: atmel,at91sam9260-dbgu
> - const: atmel,at91sam9260-usart
> - items:
> - - const: microchip,sam9x60-usart
> + - enum:
> + - microchip,sam9x60-usart
> + - microchip,sam9x7-usart
> - const: atmel,at91sam9260-usart
> - items:
> - - const: microchip,sam9x60-dbgu
> - - const: microchip,sam9x60-usart
> + - enum:
> + - microchip,sam9x60-dbgu
> + - microchip,sam9x7-dbgu
> + - enum:
> + - microchip,sam9x60-usart
> + - microchip,sam9x7-usart
This doesn't make sense - this enum should be a const.
I don't really understand the idea behind of the original binding here that
allowed:
"microchip,sam9x60-dbgu", "microchip,sam9x60-usart", "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"
Specifically, I don't get the purpose of the "microchip,sam9x60-usart".
Either make it
- items:
- enum:
- microchip,sam9x60-dbgu
- microchip,sam9x7-dbgu
- const: microchip,sam9x60-usart
- const: atmel,at91sam9260-dbgu
- const: atmel,at91sam9260-usart
or add
- items:
- const: microchip,sam9x60-dbgu
- const: atmel,at91sam9260-dbgu
- const: atmel,at91sam9260-usart
or explain exactly why this needs to be
"chipa-dgbu", "chipa-usart", "chipb-dbgu", "chipb-dbgu"
Thanks,
Conor.
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