On 12/24/18 7:52 AM, Mason Yang wrote: > Document the bindings used by the Renesas R-Car Gen3 RPC controller. > > Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx> > --- > .../devicetree/bindings/spi/spi-renesas-rpc.txt | 37 ++++++++++++++++++++++ > 1 file changed, 37 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..ba863d7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > @@ -0,0 +1,37 @@ > +Renesas R-Car Gen3 RPC controller Device Tree Bindings > +------------------------------------------------------ > + > +Required properties: > +- compatible: should be "renesas,r8a77995-rpc" > +- #address-cells: should be 1 > +- #size-cells: should be 0 > +- reg: should contain 2 entries, one for the registers and one for the direct > + mapping area > +- reg-names: should contain "regs" and "dirmap" > +- clock-names: should contain "rpc" > +- clocks: should contain 1 entries for the module's clock > +- renesas,rpc-mode: should contain "spi" for rpc spi mode or > + "hyperflash" for rpc hyerflash mode. We do not need special property to identify that the controller is in HF mode, just attach CFI NOR node or JEDEC SPI NOR underneath it. -- Best regards, Marek Vasut
