On Wed, Dec 06, 2017 at 07:19:33PM +0800, Jacob Chen wrote: > From: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx> > > Add DT bindings documentation for Rockchip ISP1 > > Signed-off-by: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/media/rockchip-isp1.txt | 57 ++++++++++++++++++++++ > 1 file changed, 57 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/rockchip-isp1.txt > > diff --git a/Documentation/devicetree/bindings/media/rockchip-isp1.txt b/Documentation/devicetree/bindings/media/rockchip-isp1.txt > new file mode 100644 > index 000000000000..0971ed94ed69 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/rockchip-isp1.txt > @@ -0,0 +1,57 @@ > +Rockchip SoC Image Signal Processing unit v1 > +---------------------------------------------- > + > +Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs > +which contains image processing, scaling, and compression funcitons. > + > +Required properties: > + - compatible: value should be one of the following > + "rockchip,rk3288-cif-isp"; > + "rockchip,rk3399-cif-isp"; > + - reg : offset and length of the register set for the device. > + - interrupts: should contain ISP interrupt. > + - clocks: phandle to the required clocks. > + - clock-names: required clock name. > + - iommus: required a iommu node. > + > +The device node should contain one 'port' child node with child 'endpoint' > +nodes, according to the bindings defined in Documentation/devicetree/bindings/ > +media/video-interfaces.txt. > + > +For sensor with a parallel video bus, it could be linked directly to the isp. > +For sensor with a MIPI CSI-2 video bus, it should be linked through the > +MIPI-DPHY, which is defined in rockchip-mipi-dphy.txt. As I mentioned on the last version, you need to list that there are 2 endpoints for the port and what their assignment is. Rob
