linux-kernel - Re: [PATCH v2 1/3] dt-bindings: media: ov772x: Document endpoint properties

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CA+V-a8ur7cODjXAe1s+jLSd4G9je3YR_Tr6B4mPvB4tWOCna7Q@mail.gmail.com>
Date:   Mon, 17 Aug 2020 13:01:38 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Jacopo Mondi <jacopo@...ndi.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        linux-media <linux-media@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 1/3] dt-bindings: media: ov772x: Document endpoint properties

On Mon, Aug 17, 2020 at 9:07 AM Jacopo Mondi <jacopo@...ndi.org> wrote:
>
> Hello Prabhakar,
>
> On Sat, Aug 15, 2020 at 11:34:33AM +0100, Lad, Prabhakar wrote:
> > Hi Jacopo,
> >
> > On Mon, Aug 3, 2020 at 12:39 PM Lad Prabhakar
> > <prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> > >
> > > Document endpoint properties required for parallel interface
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > > ---
> > >  .../devicetree/bindings/media/i2c/ov772x.txt     | 16 ++++++++++++++++
> > >  1 file changed, 16 insertions(+)
> > >
> > I see you already have a patch for YAML conversion for OV772x binding
> > [1], if you plan to post a v2 would you be OK to pick these changes as
> > part of your conversion changes ?
>
> Sure thing, I'll add the following properties to the series!
>
Thank you Jacopo. I'll get on with the v3 version of the series.

Cheers,
Prabhakar

> Thanks
>   j
>
> >
> > [1] https://www.spinics.net/lists/linux-media/msg173201.html
> >
> > Cheers,
> > Prabhakar
> >
> > > diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.txt b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> > > index 0b3ede5b8e6a..1f4153484717 100644
> > > --- a/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> > > +++ b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> > > @@ -21,6 +21,22 @@ subnode for its digital output video port, in accordance with the video
> > >  interface bindings defined in Documentation/devicetree/bindings/media/
> > >  video-interfaces.txt.
> > >
> > > +Endpoint node required properties for parallel connection are:
> > > +- remote-endpoint: a phandle to the bus receiver's endpoint node.
> > > +- bus-width: shall be set to <8> for 8 bits parallel bus
> > > +            or <10> for 10 bits parallel bus
> > > +- data-shift: shall be set to <2> for 8 bits parallel bus
> > > +             (lines 9:2 are used) or <0> for 10 bits parallel bus
> > > +- hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
> > > +               (Not required for bus-type equal 6)
> > > +- vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
> > > +               (Not required for bus-type equal 6)
> > > +- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
> > > +              signal. (Not required for bus-type equal 6)
> > > +- bus-type: data bus type. Possible values are:
> > > +           5 - Parallel
> > > +           6 - Bt.656
> > > +
> > >  Example:
> > >
> > >  &i2c0 {
> > > --
> > > 2.17.1
> > >