Re: [PATCH v2 2/2] devicetree bindings SPI Add bindings doc for Sunplus SP7021

[Mark Brown]

On Wed, Nov 10, 2021 at 02:47:09AM +0000, Lh Kuo 郭力豪 wrote:

> > > +  reg-names:
> > > +    items:
> > > +      - const: spi_master
> > > +      - const: spi_slave

> > What exactly is the physical overlap between the two controllers - is it just the
> > pinmux?

> According to the designer not only pinmux, The power source and more design are overlap.

> That is why I hope set it in one driver.

The power source just sounds like a power domain which doesn't need a
shared driver, and shared elements in the design aren't really relevant
if they're not visible in the usage of the device which given the very
limited code sharing there seems to be in the driver doesn't seem to be
the case here.

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