linux-kernel - Re: [PATCH 5/8] arm64: dts: renesas: r8a77995: Add LVDS support

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Date:   Thu, 15 Feb 2018 16:10:58 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Kieran Bingham <kbingham@...nel.org>
Cc:     linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Simon Horman <horms@...ge.net.au>, geert@...der.be,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/8] arm64: dts: renesas: r8a77995: Add LVDS support

Hi Kieran,

Thank you for the patch.

On Thursday, 15 February 2018 10:38:20 EET Kieran Bingham wrote:
> From: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> 
> The r8a77995 D3 platform has 2 LVDS channels connected to the DU.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> ---
>  arch/arm64/boot/dts/renesas/r8a77995.dtsi | 52 ++++++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> b/arch/arm64/boot/dts/renesas/r8a77995.dtsi index
> a57d5fecf79c..7851e37cfff1 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> @@ -773,18 +773,70 @@
>  				port@1 {
>  					reg = <1>;
>  					du_out_lvds0: endpoint {
> +						remote-endpoint = <&du_out_lvds0>;
>  					};
>  				};
> 
>  				port@2 {
>  					reg = <2>;
>  					du_out_lvds1: endpoint {
> +						remote-endpoint = <&du_out_lvds1>;

It's interesting how the DU ports reference themselves :-)

>  					};
>  				};
>  			};
>  		};
>  	};
> 
> +	lvds0: lvds@...90000 {
> +		compatible = "renesas,lvds-r8a77995";
> +		reg = <0 0xfeb90000 0 0x20>;
> +		clocks = <&cpg CPG_MOD 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@...90100 {
> +		compatible = "renesas,lvds-r8a77995";
> +		reg = <0 0xfeb90100 0 0x20>;
> +		clocks = <&cpg CPG_MOD 727>;
> +		status = "disabled";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				lvds1_in: endpoint {
> +					remote-endpoint = <&du_out_lvds1>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +				lvds1_out: endpoint {
> +				};
> +			};
> +		};
> +	};
> +
>  	timer {
>  		compatible = "arm,armv8-timer";
>  		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) |
> IRQ_TYPE_LEVEL_LOW)>,

-- 
Regards,

Laurent Pinchart