On Tue, Mar 28, 2017 at 07:21:34PM -0500, Rob Herring wrote:
> On Mon, Mar 27, 2017 at 7:40 PM, Steve Longerbeam <slongerbeam@xxxxxxxxx> wrote:
> > Add bindings documentation for the i.MX media driver.
> >
> > Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
> > ---
> > Documentation/devicetree/bindings/media/imx.txt | 74 +++++++++++++++++++++++++
> > 1 file changed, 74 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/media/imx.txt
> >
> > diff --git a/Documentation/devicetree/bindings/media/imx.txt b/Documentation/devicetree/bindings/media/imx.txt
> > new file mode 100644
> > index 0000000..3059c06
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/imx.txt
> > @@ -0,0 +1,74 @@
> > +Freescale i.MX Media Video Device
> > +=================================
> > +
> > +Video Media Controller node
> > +---------------------------
> > +
> > +This is the media controller node for video capture support. It is a
> > +virtual device that lists the camera serial interface nodes that the
> > +media device will control.
> > +
> > +Required properties:
> > +- compatible : "fsl,imx-capture-subsystem";
> > +- ports : Should contain a list of phandles pointing to camera
> > + sensor interface ports of IPU devices
> > +
> > +example:
> > +
> > +capture-subsystem {
> > + compatible = "fsl,imx-capture-subsystem";
> > + ports = <&ipu1_csi0>, <&ipu1_csi1>;
> > +};
> > +
> > +fim child node
> > +--------------
> > +
> > +This is an optional child node of the ipu_csi port nodes. If present and
> > +available, it enables the Frame Interval Monitor. Its properties can be
> > +used to modify the method in which the FIM measures frame intervals.
> > +Refer to Documentation/media/v4l-drivers/imx.rst for more info on the
> > +Frame Interval Monitor.
> > +
> > +Optional properties:
> > +- fsl,input-capture-channel: an input capture channel and channel flags,
> > + specified as <chan flags>. The channel number
> > + must be 0 or 1. The flags can be
> > + IRQ_TYPE_EDGE_RISING, IRQ_TYPE_EDGE_FALLING, or
> > + IRQ_TYPE_EDGE_BOTH, and specify which input
> > + capture signal edge will trigger the input
> > + capture event. If an input capture channel is
> > + specified, the FIM will use this method to
> > + measure frame intervals instead of via the EOF
> > + interrupt. The input capture method is much
> > + preferred over EOF as it is not subject to
> > + interrupt latency errors. However it requires
> > + routing the VSYNC or FIELD output signals of
> > + the camera sensor to one of the i.MX input
> > + capture pads (SD1_DAT0, SD1_DAT1), which also
> > + gives up support for SD1.
> > +
> > +
> > +mipi_csi2 node
> > +--------------
> > +
> > +This is the device node for the MIPI CSI-2 Receiver, required for MIPI
> > +CSI-2 sensors.
> > +
> > +Required properties:
> > +- compatible : "fsl,imx6-mipi-csi2", "snps,dw-mipi-csi2";
>
> As I mentioned in v5, there's a DW CSI2 binding in progress. This
> needs to be based on that.
Maybe someone can provide some kind of reference to it, and it's
associated driver?
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