Re: [PATCH v3 2/4] arm64: dts: renesas: r8a77995: Add LVDS support

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On Wed, Sep 26, 2018 at 11:27:53AM +0300, Sergei Shtylyov wrote:
> On 9/25/2018 7:33 PM, Laurent Pinchart wrote:
> 
> > From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> > 
> > The r8a77995 D3 platform has 2 LVDS channels connected to the DU.
> > 
> > Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> > [uli: moved lvds* into the soc node, added PM domains, resets]
> > Signed-off-by: Ulrich Hecht <uli+renesas@xxxxxxxx>
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > Tested-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> > ---
> >   arch/arm64/boot/dts/renesas/r8a77995.dtsi | 56 +++++++++++++++++++++++++++++++
> >   1 file changed, 56 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> > index 89a04a4496fd..214f4954b321 100644
> > --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> > @@ -972,12 +972,68 @@
> >   				port@1 {
> >   					reg = <1>;
> >   					du_out_lvds0: endpoint {
> > +						remote-endpoint = <&lvds0_in>;
> >   					};
> >   				};
> >   				port@2 {
> >   					reg = <2>;
> >   					du_out_lvds1: endpoint {
> > +						remote-endpoint = <&lvds1_in>;
> > +					};
> > +				};
> > +			};
> > +		};
> > +
> > +		lvds0: lvds-encoder@feb90000 {
> > +			compatible = "renesas,r8a77995-lvds";
> > +			reg = <0 0xfeb90000 0 0x20>;
> > +			clocks = <&cpg CPG_MOD 727>;
> > +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> > +			resets = <&cpg 727>;
> > +			status = "disabled";
> > +
> > +			ports {
> > +				#address-cells = <1>;
> > +				#size-cells = <0>;
> > +
> > +				port@0 {
> > +					reg = <0>;
> > +					lvds0_in: endpoint {
> > +						remote-endpoint = <&du_out_lvds0>;
> > +					};
> > +				};
> > +
> > +				port@1 {
> > +					reg = <1>;
> > +					lvds0_out: endpoint {
> > +					};
> > +				};
> > +			};
> > +		};
> > +
> > +		lvds1: lvds-encoder@feb90100 {
> > +			compatible = "renesas,r8a77995-lvds";
> > +			reg = <0 0xfeb90100 0 0x20>;
> > +			clocks = <&cpg CPG_MOD 727>;
> 
>    Not 726?
> 
> > +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> > +			resets = <&cpg 726>;
> 
>    ... like here?

I believe that discussion was already had for v2 of the similar patch
for r8a77990 and that it is intentional.




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