From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Hugues Fruchet Subject: [PATCH 3/4] media: dt-bindings: media: Document pclk-max-frequency property Date: Thu, 27 Sep 2018 16:46:06 +0200 Message-ID: <1538059567-8381-4-git-send-email-hugues.fruchet@st.com> In-Reply-To: <1538059567-8381-1-git-send-email-hugues.fruchet@st.com> References: <1538059567-8381-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 Content-Type: text/plain To: Steve Longerbeam , Sakari Ailus , Hans Verkuil , "Mauro Carvalho Chehab , Rob Herring" , Mark Rutland , Maxime Ripard Cc: devicetree@vger.kernel.org, linux-media@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Hugues Fruchet , Benjamin Gaignard , Jacopo Mondi List-ID: This optional property aims to inform parallel video devices of the maximum pixel clock frequency admissible by host video interface. If bandwidth of data to be transferred requires a pixel clock which is higher than this value, parallel video device could then typically adapt framerate to reach this constraint. Signed-off-by: Hugues Fruchet --- Documentation/devicetree/bindings/media/video-interfaces.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt index baf9d97..fa4c112 100644 --- a/Documentation/devicetree/bindings/media/video-interfaces.txt +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt @@ -147,6 +147,8 @@ Optional endpoint properties as 0 (normal). This property is valid for serial busses only. - strobe: Whether the clock signal is used as clock (0) or strobe (1). Used with CCP2, for instance. +- pclk-max-frequency: maximum pixel clock frequency admissible by video + host interface. Example ------- -- 2.7.4