Messages in this thread | | | Date | Wed, 27 Sep 2023 12:05:24 +0200 | From | Mark Brown <> | Subject | Re: [PATCH 1/2] spi: renesas,rzv2m-csi: Add SPI Slave related properties |
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On Wed, Sep 27, 2023 at 11:44:17AM +0200, Geert Uytterhoeven wrote: > On Wed, Sep 27, 2023 at 11:21 AM Mark Brown <broonie@kernel.org> wrote:
> > I see. Is there any control over what the chip select is when there is > > one, in which case we could just look to see if there's one specified?
> On RZ/V2M there isn't, as there is only a single hardware chip select.
> On MSIOF, there are 3 hardware chip selects, but apparently only the > primary one can be used in target mode.
OK, it sounds like we do need a property then. Like I say I'd rather not have one that just works for _NO_CS in order to avoid confusion for people writing SPI device drivers, either something in the generic target binding or a device specific one. [unhandled content-type:application/pgp-signature] | |