| Message ID | 1475230554-5986-1-git-send-email-fabien.lahoudere@collabora.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Sep 30, 2016 at 12:15:54PM +0200, Fabien Lahoudere wrote: > - "fsl,mk20fn1m0vmd12" : a cortex m4 based chip > + { .compatible = "fsl,MK20FN1M0VMD12" }, This compatible is in uppercase which is not the normal style for DT bindings at all. I'd also guess that this is a binding for a specific application running on this device rather than the chip itself.
On Fri, Sep 30, 2016 at 12:15 PM, Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> wrote: > Entries are needed in the spidev ID list to configure configure it from a > device tree. Add entries for the following devices: > - "exar,xra1403" : a GPIO expander Looks like a suitable target for a drivers/gpio/ driver. Datasheet available at https://www.exar.com/product/interface/bridges/bridging-solutions/spi-gpio-expanders/xra1403 Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi, On 30/09/16 19:35, Geert Uytterhoeven wrote: > On Fri, Sep 30, 2016 at 12:15 PM, Fabien Lahoudere > <fabien.lahoudere@collabora.co.uk> wrote: >> Entries are needed in the spidev ID list to configure configure it from a >> device tree. Add entries for the following devices: > >> - "exar,xra1403" : a GPIO expander > > Looks like a suitable target for a drivers/gpio/ driver. > Datasheet available at > https://www.exar.com/product/interface/bridges/bridging-solutions/spi-gpio-expanders/xra1403 > Good idea, however we have to measure impact of this change on the project. Thanks Fabien > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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 > -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 2e05046..821937a 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -696,6 +696,8 @@ static struct class *spidev_class; static const struct of_device_id spidev_dt_ids[] = { { .compatible = "rohm,dh2228fv" }, { .compatible = "lineartechnology,ltc2488" }, + { .compatible = "fsl,MK20FN1M0VMD12" }, + { .compatible = "exar,xra1403" }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids);
Entries are needed in the spidev ID list to configure configure it from a device tree. Add entries for the following devices: - "fsl,mk20fn1m0vmd12" : a cortex m4 based chip - "exar,xra1403" : a GPIO expander Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> --- drivers/spi/spidev.c | 2 ++ 1 file changed, 2 insertions(+)