Hello! On 04/22/2019 06:32 AM, Mason Yang wrote:
> Document the bindings used by the Renesas R-Car Gen3 RPC-IF MFD. > > Signed-off-by: Mason Yang <[email protected]> > --- > .../devicetree/bindings/mfd/mfd-renesas-rpc.txt | 39 > ++++++++++++++++++++++ > 1 file changed, 39 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..ee3bad8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > @@ -0,0 +1,39 @@ > +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 three register areas: > + first for the base address of rpc-if registers, RPC-IF. > + second for the direct mapping read mode and > + third for the write buffer area. > +- reg-names: should contain "regs", "dirmap" and "wbuf" > +- clocks: should contain 1 entries for the module's clock > +- clock-names: should contain "rpc" > +- #address-cells: should be 1 > +- #size-cells: should be 0 > + > +Example: > + > + rpc: rpc-if@ee200000 { > + compatible = "renesas,r8a77995-rpc", "renesas,rcar-gen3-rpc"; > + reg = <0 0xee200000 0 0x200>, <0 0x08000000 0 0x4000000>; > + reg-names = "regs", "dirmap"; You forgot to add back the "wbuf" entrees above. > + clocks = <&cpg CPG_MOD 917>; > + clock-names = "rpc"; > + power-domains = <&sysc R8A77995_PD_ALWAYS_ON>; > + resets = <&cpg 917>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + flash@0 { > + compatible = "jedec,spi-nor"; > + reg = <0>; > + spi-max-frequency = <40000000>; > + spi-tx-bus-width = <1>; > + spi-rx-bus-width = <1>; > + }; > + }; > MBR, Sergei
