Re: [PATCH v3 11/11] dt-bindings: gpio: Add bindings for Cadence I3C gpio expander

Geert Uytterhoeven
2018-03-26T10:12:54Z

Hi Boris,

On Fri, Mar 23, 2018 at 12:00 PM, Boris Brezillon
<boris.brezillon@bootlin.com> wrote:
> Document the Cadence I3C gpio expander bindings.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

Thanks for your patch!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-cdns-i3c.txt

> +- #interrupt-cells : Should be 2. The first cell is the GPIO number.
> + The second cell bits[3:0] is used to specify trigger type and level flags:
> + 1 = low-to-high edge triggered.
> + 2 = high-to-low edge triggered.
> + 3 = triggered on both edges.
> + 4 = active high level-sensitive.
> + 8 = active low level-sensitive.

These are identical to the values in <dt-bindings/interrupt-controller/irq.h>.
Perhaps you can refer to those definitions?
I don't think we want to see the hardcoded numbers in DTS files.

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