linux-kernel - Re: [PATCH v4 3/3] arm64: dts: renesas: Add LVDS decoder to R-Car V3M Eagle

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Date:   Thu, 15 Mar 2018 14:38:22 +0100
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>, architt@...eaurora.org,
        Laurent.pinchart@...asonboard.com, airlied@...ux.ie,
        horms@...ge.net.au, magnus.damm@...il.com, geert@...ux-m68k.org,
        niklas.soderlund@...natech.se, sergei.shtylyov@...entembedded.com,
        robh+dt@...nel.org, mark.rutland@....com
Cc:     dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/3] arm64: dts: renesas: Add LVDS decoder to R-Car
 V3M Eagle

On 15.03.2018 11:56, Jacopo Mondi wrote:
> The R-Car V3M Eagle board includes a transparent THC63LVD1024 LVDS
> decoder, connected to the on-chip LVDS encoder output on one side
> and to HDMI encoder ADV7511w on the other one.
>
> As the decoder does not need any configuration it has been so-far
> omitted from DTS. Now that a driver is available, describe it in DT
> as well.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>

Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>

 --
Regards
Andrzej
> ---
>  arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 33 +++++++++++++++++++++++---
>  1 file changed, 30 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> index c0fd144..69f43b8 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> @@ -42,6 +42,33 @@
>  			};
>  		};
>  	};
> +
> +	thc63lvd1024: lvds-decoder {
> +		compatible = "thine,thc63lvd1024";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				thc63lvd1024_in_0: endpoint {
> +					remote-endpoint = <&lvds0_out>;
> +				};
> +			};
> +
> +			port@2{
> +				reg = <2>;
> +
> +				thc63lvd1024_out_2: endpoint {
> +					remote-endpoint = <&adv7511_in>;
> +				};
> +
> +			};
> +
> +		};
> +	};
>  };
>  
>  &avb {
> @@ -98,7 +125,7 @@
>  			port@0 {
>  				reg = <0>;
>  				adv7511_in: endpoint {
> -					remote-endpoint = <&lvds0_out>;
> +					remote-endpoint = <&thc63lvd1024_out_2>;
>  				};
>  			};
>  
> @@ -152,8 +179,8 @@
>  
>  	ports {
>  		port@1 {
> -			endpoint {
> -				remote-endpoint = <&adv7511_in>;
> +			lvds0_out: endpoint {
> +				remote-endpoint = <&thc63lvd1024_in_0>;
>  			};
>  		};
>  	};