linux-kernel - Re: [PATCH v3 7/8] [HACK] arm64: dts: renesas: draak: Enable LVDS

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Date:   Thu, 7 Nov 2019 21:57:37 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Fabrizio Castro <fabrizio.castro@...renesas.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Simon Horman <horms@...ge.net.au>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>, sam@...nborg.org
Subject: Re: [PATCH v3 7/8] [HACK] arm64: dts: renesas: draak: Enable LVDS

Hi Fabrizio,

Thank you for the patch.

The subject is wrong, it should be

[HACK] arm64: dts: renesas: ebisu: Enable LVDS dual-link operation

On Wed, Aug 28, 2019 at 07:36:41PM +0100, Fabrizio Castro wrote:
> Enable and connect the second LVDS encoder to the second LVDS input of
> the THC63LVD1024 for dual-link LVDS operation. This requires changing
> the default settings of SW45 and SW47 to OFF and ON respectively.
> 
> This patch is based on Laurent's dual-LVDS work:
> https://patchwork.kernel.org/patch/10965045/
> 
> Signed-off-by: Fabrizio Castro <fabrizio.castro@...renesas.com>
> ---
> v2->v3:
> * new patch
> 
> Geert,
> 
> no need to review this patch unless they like the idea behind this
> series.
> 
> Thanks,
> Fab
> 
> ---
>  arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 21 +++++++++++++++++++--
>  1 file changed, 19 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> index b38f9d4..38b9c5a 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> @@ -87,11 +87,20 @@
>  
>  			port@0 {
>  				reg = <0>;
> -				thc63lvd1024_in: endpoint {
> +				dual-lvds-even-pixels;
> +				thc63lvd1024_in0: endpoint {
>  					remote-endpoint = <&lvds0_out>;
>  				};
>  			};
>  
> +			port@1 {
> +				reg = <1>;
> +				dual-lvds-odd-pixels;
> +				thc63lvd1024_in1: endpoint {
> +					remote-endpoint = <&lvds1_out>;
> +				};
> +			};
> +
>  			port@2 {
>  				reg = <2>;
>  				thc63lvd1024_out: endpoint {
> @@ -489,7 +498,7 @@
>  	ports {
>  		port@1 {
>  			lvds0_out: endpoint {
> -				remote-endpoint = <&thc63lvd1024_in>;
> +				remote-endpoint = <&thc63lvd1024_in0>;
>  			};
>  		};
>  	};
> @@ -507,6 +516,14 @@
>  		 <&x13_clk>,
>  		 <&extal_clk>;
>  	clock-names = "fck", "dclkin.0", "extal";
> +
> +	ports {
> +		port@1 {
> +			lvds1_out: endpoint {
> +				remote-endpoint = <&thc63lvd1024_in1>;
> +			};
> +		};
> +	};
>  };
>  
>  &ohci0 {
> -- 
> 2.7.4
> 

-- 
Regards,

Laurent Pinchart