linux-kernel - Re: [PATCH v6 3/3] arm64: dts: renesas: Add LVDS decoder to R-Car V3M Eagle

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Message-ID: <41ccb195-09d1-5765-9344-e489e81943b1@mentor.com>
Date:   Tue, 27 Mar 2018 09:27:22 +0300
From:   Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>
CC:     <architt@...eaurora.org>, <a.hajda@...sung.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>, <dri-devel@...ts.freedesktop.org>,
        <linux-renesas-soc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 3/3] arm64: dts: renesas: Add LVDS decoder to R-Car V3M
 Eagle

Hi Jacopo,

On 03/20/2018 03:01 PM, Laurent Pinchart wrote:
> Hi Jacopo,
> 
> Thank you for the patch.
> 
> On Friday, 16 March 2018 17:16:39 EET 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>
> 
> The patch looks OK to me, but I think it should be squashed with Niklas' patch 
> that added display HDMI output support to the V3M Eagle DT.
> 
>> ---
>>
>> List of patch dependencies, as of renesas-drivers-2018-03-13-v4.16-rc5:
>>
>> - [PATCH v2 0/5] arm64: dts: renesas: r8a77970: enable HDMI output
>>    which includes DU, LVDS and FCPD enablement from:
>>   [PATCH v2 0/5] Add R8A77970/V3MSK LVDS/HDMI support
>> - [PATCH v4] v4l: vsp1: Fix video output on R8A77970
>>
>> Patches to be applied on top of
>> "arm64: dts: renesas: eagle: add HDMI output using the ADV7511W"
>>
>> Thanks
>>    j
>> ---
>>  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>;
>> +				};
>> +

Remove the empty line above.

>> +			};
>> +

Remove the empty line above.

>> +		};
>> +	};
>>  };
>>

--
With best wishes,
Vladimir