Re: [PATCH v3 4/7] dt-bindings: atmel-usart: remove wildcard

From: Alexandre Belloni
Date: Tue Jan 14 2020 - 10:04:01 EST


On 14/01/2020 14:58:23+0000, Claudiu.Beznea@xxxxxxxxxxxxx wrote:
> > Then, what is the point of adding microchip,sam9x60-dbgu ?
>
> Different meaning for CIDR register bits. Version is kept on bits 4 to 0
> but not documented in public datasheet, so version displayed by
> drivers/soc/atmel/soc.c should work.

But at91_get_cidr_exid_from_dbgu will not find the node unless you use
two fallbacks.


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