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From:   Hugues Fruchet <hugues.fruchet@st.com>
To:     Alexandre Torgue <alexandre.torgue@st.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Hans Verkuil <hverkuil@xs4all.nl>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Rob Herring <robh+dt@kernel.org>
CC:     <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        Hugues Fruchet <hugues.fruchet@st.com>,
        Alain Volmat <alain.volmat@st.com>,
        Yannick Fertre <yannick.fertre@st.com>,
        Philippe CORNU <philippe.cornu@st.com>
Subject: [PATCH v3 2/2] media: dt-bindings: media: st,stm32-dcmi: Add support of BT656
Date:   Tue, 20 Oct 2020 12:02:32 +0200
Message-ID: <1603188152-22783-3-git-send-email-hugues.fruchet@st.com>
In-Reply-To: <1603188152-22783-1-git-send-email-hugues.fruchet@st.com>
References: <1603188152-22783-1-git-send-email-hugues.fruchet@st.com>
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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@st.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