From: Fabio Estevam <festevam@gmail.com>
Date: Fri, 4 Jun 2021 21:22:16 +0000 (+0200)
Subject: media: dt-bindings: adv7180: Introduce 'adv,force-bt656-4' property
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=28d1e47694aff751cfb1d86a2f9701f0a22e5f1e;p=linux.git

media: dt-bindings: adv7180: Introduce 'adv,force-bt656-4' property

Captured NTSC video would be out of sync when using the adv7280 with
the BT.656-4 protocol. Certain registers (0x04, 0x31, 0xE6) need to
be configured properly to ensure BT.656-4 compatibility.

Introduce the 'adv,force-bt656-4' property to allow the ADV7280
behavior to be consistent with the ADV7180, where BT.656-4 timing
is used by default.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

diff --git a/Documentation/devicetree/bindings/media/i2c/adv7180.yaml b/Documentation/devicetree/bindings/media/i2c/adv7180.yaml
index 7b233212d0e6e..c8d887eee3bbe 100644
--- a/Documentation/devicetree/bindings/media/i2c/adv7180.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/adv7180.yaml
@@ -38,6 +38,11 @@ properties:
   reset-gpios:
     maxItems: 1
 
+  adv,force-bt656-4:
+    description:
+      Indicates that the output is a BT.656-4 compatible stream.
+    type: boolean
+
   port:
     $ref: /schemas/graph.yaml#/$defs/port-base
     unevaluatedProperties: false