Re: [PATCH 2/3] dt-bindings: add binding for at91-usart in spi mode

[Mark Brown]

On Thu, Apr 19, 2018 at 01:04:16PM +0300, Radu Pirea wrote:

> Thank you for suggestions. I followed your advice and looked at PXA SSP
> driver. In my opinion it is a layer that avoids collsions and
> unfortunately complicates things a bit. My ideea is to keep the things
> as simple as possible. For example, I can enhance usart-serial and
> usart-spi drivers to print detailed messages if probe fails because one
> driver tries to request a memory region already used by another driver.
> What do you think? Is this approach a good way to move forward?

Alexandre's suggestion using a MFD with a property to select the mode
seems more solid TBH.

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