linux-kernel - [PATCH v2] media: dt-bindings: media: renesas,csi2: Update data-lanes property

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Message-Id: <20220120012553.23295-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Thu, 20 Jan 2022 01:25:53 +0000
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Niklas Söderlund <niklas.soderlund@...natech.se>,
        Jacopo Mondi <jacopo@...ndi.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v2] media: dt-bindings: media: renesas,csi2: Update data-lanes property

CSI-2 (CSI4LNK0) on R-Car and RZ/G2 supports 4-lane mode which is already
handled by rcar-csi2.c driver. This patch updates the data-lanes property
to describe the same.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
Hi All,

Instead of adding uniqueItems:true into SoC binding doc's I think we could
add this in video-interfaces.yaml for data-lanes property. Any thoughts on this?

Cheers,
Prabhakar

v1->v2
* Dropped const items
* Added uniqueItems

v1:
https://lore.kernel.org/lkml/20220118163413.ge2b4g75yhfqvq3x@uno.localdomain/T/
---
 Documentation/devicetree/bindings/media/renesas,csi2.yaml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/renesas,csi2.yaml b/Documentation/devicetree/bindings/media/renesas,csi2.yaml
index e6a036721082..a5a1b570025a 100644
--- a/Documentation/devicetree/bindings/media/renesas,csi2.yaml
+++ b/Documentation/devicetree/bindings/media/renesas,csi2.yaml
@@ -67,7 +67,11 @@ properties:
                 maxItems: 1
 
               data-lanes:
-                maxItems: 1
+                minItems: 1
+                maxItems: 4
+                uniqueItems: true
+                items:
+                  maximum: 4
 
             required:
               - clock-lanes
-- 
2.17.1