linux-kernel - Re: [PATCH 3/8] dt-bindings: display: renesas,lvds: Add LVDS binding for D3

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Date:   Thu, 15 Feb 2018 08:45:33 +0000
From:   Kieran Bingham <kieran.bingham@...asonboard.com>
To:     Kieran Bingham <kbingham@...nel.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Simon Horman <horms@...ge.net.au>, geert@...der.be,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/8] dt-bindings: display: renesas,lvds: Add LVDS binding
 for D3

On 15/02/18 08:38, Kieran Bingham wrote:
> From: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> 
> The D3 supports two LVDS channels. Extend the binding to support them.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> ---
>  Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> index 79860f58a7ad..0dcf488b70df 100644
> --- a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> +++ b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> @@ -14,6 +14,7 @@ Required properties:
>  - compatible : Shall contain one of
>    - "renesas,lvds-r8a7795" for R8A7795 (R-Car H3) compatible LVDS encoders
>    - "renesas,lvds-r8a7796" for R8A7796 (R-Car M3-W) compatible LVDS encoders
> +  - "renesas,lvds-r8a77995" for R8A77995 (R-Car D3) compatible LVDS encoders

Hi Laurent,

Are we unable to have a generic lvds-gen3 here?

(Although to perhaps answer my own question I see that the D3/E3 have extra
registers)

Also "lets pretend" that I intentionally separated out the LVDS updates to the
rcar_lvds_of_table :)

--
Kieran

>  
>  - reg: Base address and length for the memory-mapped registers
>  - clocks: A phandle + clock-specifier pair for the functional clock
>