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SubjectRe: [PATCH 4/7] ARM: dts: sun7i: Add pinmux settings for LCD0 RGB888 output.
Hi,

On Sun, Mar 25, 2018 at 04:09:13PM +0200, Paul Kocialkowski wrote:
> Le mercredi 21 mars 2018 à 21:03 +0100, Giulio Benetti a écrit :
> > The A20 supports RGB888 with H/V sync from LCD0. Add a pinmux setting
> > for the needed pins.
> >
> > Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
> > ---
> > arch/arm/boot/dts/sun7i-a20.dtsi | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi
> > b/arch/arm/boot/dts/sun7i-a20.dtsi
> > index efb5607..bfe6728 100644
> > --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> > +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> > @@ -922,6 +922,14 @@
> > pins = "PI20", "PI21";
> > function = "uart7";
> > };
> > +
> > + lcd0_rgb888_pins: lcd0-rgb888-pins {
>
> It would be more consistent with other pins definitions to have
> underscores in both names and to indicate the index, such as:
> lcd0_rgb888_pins: lcd0_rgb888_pins@0 {

Both your suggestions will generate DTC warnings, and we'd like to get
rid of them eventually :)

> This way, other set of pins for LCD (PH0-PH27) can be declared as @1
> when they are needed in the future.

A better idea would be to call it lcd0-rgb888-pd-pins, and introduce
the ph variant when it's done.

Maxime



--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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