Messages in this thread | | | Subject | Re: (EXT) Re: (EXT) Re: (EXT) Re: (EXT) Re: [PATCH 2/2] ARM: dts: imx6qdl: tqma6: minor fixes | From | Matthias Schiffer <> | Date | Wed, 26 Aug 2020 13:54:50 +0200 |
| |
On Wed, 2020-08-26 at 07:59 -0300, Fabio Estevam wrote: > Hi Matthias, > > On Wed, Aug 26, 2020 at 7:32 AM Matthias Schiffer > <matthias.schiffer@ew.tq-group.com> wrote: > > > But the previous platform data that was removed in 8cdcd8aeee281 > > ("spi: > > imx/fsl-lpspi: Convert to GPIO descriptors") set different values > > for > > different boards. So maybe some DTS should be using num-cs? > > Could you provide an example of an imx dts that should use num-cs?
I'm not sure, does anything break when num_chipselect is set too high?
Before 8cdcd8aeee281, num_chipselect was set to 3 for spi0 and to 1 for spi1 in arch/arm/mach-imx/mach-mx31lite.c. My understanding is that it would make sense to add this as num-cs to arch/arm/boot/dts/imx31-lite.dts.
| |