On 01/23/2019 10:09 AM, Mason Yang wrote: > Document the bindings used by the Renesas R-Car Gen3 RPC-IF controller. > > Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx> > --- > .../devicetree/bindings/spi/spi-renesas-rpc.txt | 46 ++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > > diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > new file mode 100644 > index 0000000..305bd10 > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > @@ -0,0 +1,46 @@ > +Renesas R-Car Gen3 RPC-IF controller Device Tree Bindings > +-------------------------------------------------------------------- > + > +Required properties: > +- compatible: should be an SoC-specific compatible value, followed by > + "renesas,rcar-gen3-rpc" as a fallback, i.e., > + "renesas,r8a77995-rpc", "renesas,rcar-gen3-rpc". > + "renesas,r8a7795-rpc" (R-Car H3) > + "renesas,r8a7796-rpc" (R-Car M3-W) > + "renesas,r8a77965-rpc" (R-Car M3-N) > + "renesas,r8a77970-rpc" (R-Car V3M) > + "renesas,r8a77980-rpc" (R-Car V3H) > + "renesas,r8a77990-rpc" (R-Car E3) > + "renesas,r8a77995-rpc" (R-Car D3) > +- reg: should contain three register areas: The driver now handles "dirmap" and "wbuf" resources as optional -- you need to document that. [...] MBR, Sergei
