Re: [PATCH] dt-bindings: mxsfb: Exclude i.MX8MQ from power-domains requirement

From: Conor Dooley
Date: Thu Aug 10 2023 - 15:30:59 EST


On Wed, Aug 02, 2023 at 11:51:17AM +0200, Guido Günther wrote:
> Hi,
> On Sun, Jul 30, 2023 at 09:41:20PM +0300, David Heidelberg wrote:
> > i.MX8MQ uses as secondary compatible fsl,imx6sx-lcdif, which triggers
> > requirement of power-domains, thou it's not required.
> >
> > Fixes: f62678a77d58 ("dt-bindings: mxsfb: Document i.MX8M/i.MX6SX/i.MX6SL power-domains property")
> >
> > Signed-off-by: David Heidelberg <david@xxxxxxx>
> > ---
> > .../devicetree/bindings/display/fsl,lcdif.yaml | 11 +++++++++--
> > 1 file changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
> > index fc11ab5fc465..2d868276b0f9 100644
> > --- a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
> > +++ b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
> > @@ -129,8 +129,15 @@ allOf:
> > - fsl,imx8mp-lcdif
> > - fsl,imx93-lcdif
> > then:
> > - required:
> > - - power-domains
> > + if:
> > + properties:
> > + compatible:
> > + not:
> > + contains:
> > + const: fsl,imx8mq-lcdif
> > + then:
> > + required:
> > + - power-domains
>
> We currently enable the mipi power domain for the mipi dphy and nwl
> bridge only but not for LCDIF itself assuming it's not needed (as there's
> other outputs LCDIF can drive). I *think* this is correct but maybe
> Marek or Liu can confirm?

I'm happy to Ack this, but I've been sitting on it waiting to see if
Marek or Liu popped up..

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