On Mon, 19 Nov 2018 14:49:31 +0100 Marek Vasut <marek.vasut@xxxxxxxxx> wrote: > On 11/19/2018 11:01 AM, Mason Yang wrote: > > Document the bindings used by the Renesas R-Car D3 RPC controller. > > > > Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx> > > --- > > .../devicetree/bindings/spi/spi-renesas-rpc.txt | 33 ++++++++++++++++++++++ > > 1 file changed, 33 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..8286cc8 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > > @@ -0,0 +1,33 @@ > > +Renesas R-Car D3 RPC controller Device Tree Bindings > > +---------------------------------------------------- > > + > > +Required properties: > > +- compatible: should be "renesas,rpc-r8a77995" > > +- #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 "rpc_regs" and "dirmap" > > +- interrupts: interrupt line connected to the RPC SPI controller > > Do you also plan to support the RPC HF mode ? And if so, how would that > look in the bindings ? Not sure this approach is still accepted, but that's how we solved the problem for the flexcom block [1]. [1]https://elixir.bootlin.com/linux/v4.20-rc3/source/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt
