Hi Frieder, On Thu, Jul 2, 2020 at 4:46 PM Frieder Schrempf <frieder.schre...@kontron.de> wrote: > On 02.07.20 16:25, Mark Brown wrote: > > On Thu, Jul 02, 2020 at 04:18:46PM +0200, Schrempf Frieder wrote: > >> From: Frieder Schrempf <frieder.schre...@kontron.de> > >> > >> Allow external SPI ports on Kontron boards to use the spidev driver. > > > > I'd have expected this to require loading a DT overlay for whatever's > > attached? > > My intention is to use the spidev driver in the default board DT for an > interface that is routed to an extension connector and has no dedicated > slave device attached onboard. So users can attach sensors, etc. with > userspace drivers without touching the kernel or DT. > > See https://patchwork.kernel.org/patch/11639075/ for the boards DT.
You can bind "kontron,user-spi" devices to spidev from userspace: [PATCH v2 0/3] device tree spidev solution - driver_override for SPI https://spinics.net/lists/linux-spi/msg13951.html Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
