On 04/15/2019 10:37 AM, Mason Yang wrote: > Document the bindings used by the Renesas R-Car Gen3 RPC-IF MFD controller. > > Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx> > --- > .../devicetree/bindings/mfd/mfd-renesas-rpc.txt | 37 ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > > diff --git a/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > new file mode 100644 > index 0000000..bfb3d29 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > @@ -0,0 +1,37 @@ > +Renesas R-Car Gen3 RPC-IF MFD controller Device Tree Bindings > +------------------------------------------------------------- > + > +Required properties: > +- compatible: should be an SoC-specific compatible value, followed by > + "renesas,rcar-gen3-rpc" as a fallback. > + supported SoC-specific values are: > + "renesas,r8a77995-rpc" (R-Car D3) > +- reg: should contain 2 entries, one for the base address of rpc-if registers, > + and one for the direct mapping area > +- reg-names: should contain "regs", and "dirmap" The device tree describes the hardware, not the driver. Why did you remove the "wbuf" area? [...] MBR, Sergei