linux-kernel - Re: [PATCH 4/7] arm64: dts: renesas: r8a77970: add the LVDS instance

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Message-ID: <3587638.6pi5kZKTO5@avalon>
Date:   Fri, 06 Apr 2018 16:38:17 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc:     horms@...ge.net.au, magnus.damm@...il.com, geert@...ux-m68k.org,
        niklas.soderlund@...natech.se, sergei.shtylyov@...entembedded.com,
        dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>
Subject: Re: [PATCH 4/7] arm64: dts: renesas: r8a77970: add the LVDS instance

Hi Jacopo,

Thank you for the patch.

On Friday, 6 April 2018 16:08:09 EEST Jacopo Mondi wrote:
> From: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
> 
> Add the LVDS device to r8a77970.dtsi in a disabled state. Also connect
> the it to the LVDS output of the DU. While at it align the endpoint name
> of the du to du_out_lvds0 which is used in other Renesas DTS files to
> describe this link.

The endpoint could be renamed in patch 3/7, but it's not a big deal.

> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  arch/arm64/boot/dts/renesas/r8a77970.dtsi | 29 +++++++++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
> b/arch/arm64/boot/dts/renesas/r8a77970.dtsi index e649e86..b48d62c 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
> @@ -658,7 +658,34 @@
> 
>  				port@1 {
>  					reg = <1>;
> -					du_out_lvds: endpoint {
> +					du_out_lvds0: endpoint {
> +						remote-endpoint = <&lvds0_in>;
> +					};
> +				};
> +			};
> +		};
> +
> +		lvds0: lvds@...90000 {
> +			compatible = "renesas,r8a77970-lvds";
> +			reg = <0 0xfeb90000 0 0x14>;
> +			clocks = <&cpg CPG_MOD 727>;
> +			power-domains = <&sysc R8A77970_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 {
>  					};
>  				};
>  			};

-- 
Regards,

Laurent Pinchart