linux-kernel - Re: [PATCH v8 1/2] dt-bindings: display: bridge: Document THC63LVD1024 LVDS decoder

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Date:   Thu, 19 Apr 2018 12:44:32 +0300
From:   Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>, <architt@...eaurora.org>,
        <a.hajda@...sung.com>, <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 v8 1/2] dt-bindings: display: bridge: Document
 THC63LVD1024 LVDS decoder

Hi Jacopo, Laurent,

On 04/10/2018 01:53 PM, Jacopo Mondi wrote:
> Document Thine THC63LVD1024 LVDS decoder device tree bindings.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>
> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Reviewed-by: Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>

> ---
>  .../bindings/display/bridge/thine,thc63lvd1024.txt | 60 ++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt
> new file mode 100644
> index 0000000..0b23e70
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt
> @@ -0,0 +1,60 @@
> +Thine Electronics THC63LVD1024 LVDS decoder
> +-------------------------------------------
> +
> +The THC63LVD1024 is a dual link LVDS receiver designed to convert LVDS streams
> +to parallel data outputs. The chip supports single/dual input/output modes,
> +handling up to two LVDS input streams and up to two digital CMOS/TTL outputs.
> +
> +Single or dual operation mode, output data mapping and DDR output modes are
> +configured through input signals and the chip does not expose any control bus.
> +
> +Required properties:
> +- compatible: Shall be "thine,thc63lvd1024"
> +- vcc-supply: Power supply for TTL output, TTL CLOCKOUT signal, LVDS input,
> +  PPL and digital circuitry
> +
> +Optional properties:
> +- powerdown-gpios: Power down GPIO signal, pin name "/PDWN". Active low

Thank you for the change.

I would suggest to rename 'pwdn-gpios' property of THC63LVDM83D as well,
as far as I understand it is only described in DT bindings documentation,
and the property is unused in the driver or board DTS files at the moment.

> +- oe-gpios: Output enable GPIO signal, pin name "OE". Active high

Okay :)

--
With best wishes,
Vladimir