On Tue, Dec 29, 2015 at 9:54 PM, Rob Herring <r...@kernel.org> wrote:
> On Sun, Dec 20, 2015 at 12:13:20PM +0100, Uwe Kleine-König wrote:
>> Some displays have a reset input and/or need a regulator to function
>> properly. Allow to specify them for panel-dpi devices.
>>
>> Signed-off-by: Uwe Kleine-König <u.kleine-koe...@pengutronix.de>
>> ---
>> Documentation/devicetree/bindings/display/panel/panel-dpi.txt | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.txt
>> b/Documentation/devicetree/bindings/display/panel/panel-dpi.txt
>> index 216c894d4f99..b52ac52757df 100644
>> --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.txt
>> +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.txt
>> @@ -7,6 +7,8 @@ Required properties:
>> Optional properties:
>> - label: a symbolic name for the panel
>> - enable-gpios: panel enable gpio
>> +- reset-gpios: GPIO to control the RESET pin
>
> The problem with this in a generic binding is what if the panel has
> ordering requirements like enable gpio has to be inactive when reset
> is deasserted?
>
>> +- vcc-supply: phandle of regulator that will be used to enable power to the
>> display
>
> What if there are 2 supplies?
So it should be "vcc-supplies". Most properties containing phandles use plural
naming, even if Linux supports a single phandle only (e.g. "power-domains").
You also may want to add an optional "vcc-supply-names" property to
differentiate.
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
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