From: Loic Poulain <loic.poulain@linaro.org>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>,
Rob Herring <robh+dt@kernel.org>,
devicetree <devicetree@vger.kernel.org>,
Steve Longerbeam <slongerbeam@gmail.com>,
linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: Re: [PATCH 02/13] arm64: dts: qcom: apq8016-sbc: Fix CSI-2 lanes routing
Date: Wed, 22 Jul 2020 10:14:52 +0200 [thread overview]
Message-ID: <CAMZdPi-wOmbMi-BxB31HoDhcBSxoSnFssceb=KR2Q=SeU9rN=w@mail.gmail.com> (raw)
In-Reply-To: <20200717193509.GD5961@pendragon.ideasonboard.com>
On Fri, 17 Jul 2020 at 21:35, Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> Hi Jacopo,
>
> On Fri, Jul 17, 2020 at 03:28:48PM +0200, Jacopo Mondi wrote:
> > The ov5640 sensor does not support lanes reconfiguration according
> > to version of the datasheet I have (version 2.03) and the driver
> > does not parse the properties to try to reconfigure them.
> >
> > Fix the properties values in the camera and cci node.
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> > ---
> > Loic, I see you added the camera nodes in
> > 39e0ce6cd1bf ("arm64: dts: qcom: apq8016-sbc: Add CCI/Sensor nodes")
> >
> > Do you have any idea how lanes could be swapped if, from my understanding,
> > nor the sensor nor the driver supports that ?
>
> It's not supported on the OV5640 side, so I think the second hunk of
> this patch is correct, but I believe that the CAMSS supports lane
> reordering, so the first hunk is likely incorrect and should be dropped.
Indeed, camss supports lane configuration (cf camss_of_parse_endpoint_node).
The sensor doesn't, so that can be removed on its side.
Regards,
Loic
>
> > ---
> > arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> > index 8a4b790aa7ff..fe6613676e45 100644
> > --- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> > @@ -591,8 +591,8 @@ ports {
> > port@0 {
> > reg = <0>;
> > csiphy0_ep: endpoint {
> > - clock-lanes = <1>;
> > - data-lanes = <0 2>;
> > + clock-lanes = <0>;
> > + data-lanes = <1 2>;
> > remote-endpoint = <&ov5640_ep>;
> > status = "okay";
> > };
> > @@ -627,8 +627,8 @@ camera_rear@3b {
> >
> > port {
> > ov5640_ep: endpoint {
> > - clock-lanes = <1>;
> > - data-lanes = <0 2>;
> > + clock-lanes = <0>;
> > + data-lanes = <1 2>;
> > remote-endpoint = <&csiphy0_ep>;
> > };
> > };
>
> --
> Regards,
>
> Laurent Pinchart
next prev parent reply other threads:[~2020-07-22 8:10 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 13:28 [PATCH 00/13] dt-bindings: media: ov5640: Convert to json-schema Jacopo Mondi
2020-07-17 13:28 ` [PATCH 01/13] " Jacopo Mondi
2020-07-17 19:28 ` Laurent Pinchart
2020-07-20 16:32 ` Rob Herring
2020-07-17 13:28 ` [PATCH 02/13] arm64: dts: qcom: apq8016-sbc: Fix CSI-2 lanes routing Jacopo Mondi
2020-07-17 19:35 ` Laurent Pinchart
2020-07-22 8:14 ` Loic Poulain [this message]
2020-07-22 8:34 ` Jacopo Mondi
2020-07-17 13:28 ` [PATCH 03/13] dt-bindings: media: ov5640: Do not limit rotation Jacopo Mondi
2020-07-17 19:38 ` Laurent Pinchart
2020-07-20 19:36 ` Rob Herring
2020-07-17 13:28 ` [PATCH 04/13] dt-bindings: media: ti,cal: Remove sensor from example Jacopo Mondi
2020-07-17 19:39 ` Laurent Pinchart
2020-07-23 20:57 ` Rob Herring
2020-07-17 13:28 ` [PATCH 05/13] dt-bindings: media: ov5640: Make bus-type mandatory Jacopo Mondi
2020-07-17 15:48 ` Fabio Estevam
2020-07-17 19:48 ` Laurent Pinchart
2020-07-20 19:45 ` Rob Herring
2020-07-17 13:28 ` [PATCH 06/13] dt-bindings: media: ov5640: Require ep properties Jacopo Mondi
2020-07-17 19:50 ` Laurent Pinchart
2020-07-17 13:28 ` [PATCH 07/13] dt-bindings: media: ov5640: Remove clock-lanes Jacopo Mondi
2020-07-17 20:48 ` Laurent Pinchart
2020-07-20 19:47 ` Rob Herring
2020-07-17 13:28 ` [PATCH 08/13] dt-bindings: media: ov5640: Remove data-shift Jacopo Mondi
2020-07-17 20:57 ` Laurent Pinchart
2020-07-23 22:22 ` Sakari Ailus
2020-07-23 23:15 ` Laurent Pinchart
2020-07-25 21:18 ` Sakari Ailus
2020-07-25 21:31 ` Laurent Pinchart
2020-07-29 14:29 ` Sakari Ailus
2020-07-29 14:46 ` Laurent Pinchart
2020-07-30 16:22 ` Sakari Ailus
2020-07-30 16:32 ` Laurent Pinchart
2020-07-30 16:43 ` Sakari Ailus
2020-07-17 13:28 ` [PATCH 09/13] dt-bindings: media: ov5640: Add default for synch signals Jacopo Mondi
2020-07-17 20:59 ` Laurent Pinchart
2020-07-20 19:50 ` Rob Herring
2020-07-17 13:28 ` [PATCH 10/13] dt-bindings: media: ov5640: Demote DVP required properties Jacopo Mondi
2020-07-17 21:00 ` Laurent Pinchart
2020-07-17 13:28 ` [PATCH 11/13] media: i2c: ov5640: Initialize DVP polarities as default Jacopo Mondi
2020-07-17 21:02 ` Laurent Pinchart
2020-07-17 13:28 ` [PATCH 12/13] MAINTAINERS: ov5640: Add bindings file Jacopo Mondi
2020-07-17 21:03 ` Laurent Pinchart
2020-07-17 13:28 ` [PATCH 13/13] dt-bindings: media: ov5640: Add myself as co-maintainer Jacopo Mondi
2020-07-17 21:03 ` Laurent Pinchart
2020-07-17 19:31 ` [PATCH 00/13] dt-bindings: media: ov5640: Convert to json-schema Laurent Pinchart
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAMZdPi-wOmbMi-BxB31HoDhcBSxoSnFssceb=KR2Q=SeU9rN=w@mail.gmail.com' \
--to=loic.poulain@linaro.org \
--cc=agross@kernel.org \
--cc=bjorn.andersson@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=jacopo+renesas@jmondi.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-media@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=slongerbeam@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).