linux-kernel - [PATCH v2 2/2] media: dt-bindings: media: st,stm32-dcmi: Add support of BT656

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Date:   Tue, 20 Oct 2020 11:54:06 +0200
From:   Hugues Fruchet <hugues.fruchet@...com>
To:     Alexandre Torgue <alexandre.torgue@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Hugues Fruchet <hugues.fruchet@...com>,
        Alain Volmat <alain.volmat@...com>,
        Yannick Fertre <yannick.fertre@...com>,
        Philippe CORNU <philippe.cornu@...com>
Subject: [PATCH v2 2/2] media: dt-bindings: media: st,stm32-dcmi: Add support of BT656

Add support of BT656 parallel bus mode in DCMI.
This mode is enabled when hsync-active & vsync-active
fields are not specified.

Signed-off-by: Hugues Fruchet <hugues.fruchet@...com>
---
 .../devicetree/bindings/media/st,stm32-dcmi.yaml   | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
index 3fe778c..1ee521a 100644
--- a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
+++ b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
@@ -44,6 +44,36 @@ properties:
       bindings defined in
       Documentation/devicetree/bindings/media/video-interfaces.txt.
 
+    properties:
+      endpoint:
+        type: object
+
+        properties:
+          bus-width: true
+
+          hsync-active:
+            description:
+              If both HSYNC and VSYNC polarities are not specified, BT656
+              embedded synchronization is selected.
+            default: 0
+
+          vsync-active:
+            description:
+              If both HSYNC and VSYNC polarities are not specified, BT656
+              embedded synchronization is selected.
+            default: 0
+
+          pclk-sample: true
+
+          remote-endpoint: true
+
+        required:
+          - remote-endpoint
+
+        additionalProperties: false
+
+    additionalProperties: false
+
 required:
   - compatible
   - reg
-- 
2.7.4