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SubjectRe: [PATCH 13/16] dt-bindings: atmel-usart: add microchip,<chip>-usart
On 08/01/2020 14:55:20+0200, Claudiu Beznea wrote:
> Add microchip,<chip>-usart to DT bindings documentation. This is for
> microchip,sam9x60-usart.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
> ---
> Documentation/devicetree/bindings/mfd/atmel-usart.txt | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mfd/atmel-usart.txt b/Documentation/devicetree/bindings/mfd/atmel-usart.txt
> index 699fd3c9ace8..e5c7331abe09 100644
> --- a/Documentation/devicetree/bindings/mfd/atmel-usart.txt
> +++ b/Documentation/devicetree/bindings/mfd/atmel-usart.txt
> @@ -1,10 +1,12 @@
> * Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART)
>
> Required properties for USART:
> -- compatible: Should be "atmel,<chip>-usart" or "atmel,<chip>-dbgu"
> +- compatible: Should be "atmel,<chip>-usart", "microchip,<chip>-usart" or
> + "atmel,<chip>-dbgu".
> The compatible <chip> indicated will be the first SoC to support an
> additional mode or an USART new feature.
> - For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart"
> + For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart",
> + "microchip,<chip>-usart".

The wildcard here should be eliminated because all the combinations are
not allowed. This would also make it clearer that this change is to
introduce a new IP instead of renamed atmel to microchip.

> - reg: Should contain registers location and length
> - interrupts: Should contain interrupt
> - clock-names: tuple listing input clock names.
> --
> 2.7.4
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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