[PATCH v2 02/10] dt-bindings: display: renesas: dw-hdmi: tidyup example compatible.

Laurent Pinchart laurent.pinchart at ideasonboard.com
Tue Sep 8 14:43:17 UTC 2020


Hi Kieran,

On Tue, Sep 08, 2020 at 03:18:20PM +0100, Kieran Bingham wrote:
> On 08/09/2020 01:34, Kuninori Morimoto wrote:
> > From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> > 
> > required is "renesas,r8a7795-hdmi", instead of "renesas,r8a7795-dw-hdmi"
> 
> Hrm, technically the driver will currently only match on :
>   "renesas,rcar-gen3-hdmi"
> 
> But I see how the '-dw-' has probably snuck in from other devices, and
> is inappropriate.
> 
> Perhaps this should be more clear that it matches on the generic compatible:
> 	renesas,rcar-gen3-hdmi
> 
> (or a combination of both?)
>
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> 
> But if the generic isn't required, then this patch alone does fix what I
> would call an error, so ...

You're right, the generic compatible string should be required. I'll
update this patch accordingly, and will address the bindings as part of
the conversion to YAML.

> Reviewed-by: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com>
> 
> We could always make this more clear when converting to YAML.
>
> > ---
> >  .../devicetree/bindings/display/bridge/renesas,dw-hdmi.txt      | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt b/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt
> > index 819f3e31013c..e6526ab485d0 100644
> > --- a/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt
> > +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt
> > @@ -42,7 +42,7 @@ Optional properties:
> >  Example:
> >  
> >  	hdmi0: hdmi at fead0000 {
> > -		compatible = "renesas,r8a7795-dw-hdmi";
> > +		compatible = "renesas,r8a7795-hdmi";
> >  		reg = <0 0xfead0000 0 0x10000>;
> >  		interrupts = <0 389 IRQ_TYPE_LEVEL_HIGH>;
> >  		clocks = <&cpg CPG_CORE R8A7795_CLK_S0D4>, <&cpg CPG_MOD 729>;
> > 

-- 
Regards,

Laurent Pinchart


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