Re: [PATCH 3/5] PCI: rcar: Add R-Car PCIe endpoint device tree bindings

["Lad, Prabhakar" <prabhakar.csengg@gmail.com>]

Hi Biju,

Thank you for the review.

On Thu, Nov 7, 2019 at 7:39 AM Biju Das <biju.das@bp.renesas.com> wrote:
>
> Hi Prabhakar,
>
> Thanks for the patch
>
> > Subject: [PATCH 3/5] PCI: rcar: Add R-Car PCIe endpoint device tree bindings
> >
> > From: "Lad, Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >
> > This patch adds the bindings for the R-Car PCIe endpoint driver.
> >
> > Signed-off-by: Lad, Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> > ---
> >  .../devicetree/bindings/pci/rcar-pci-ep.txt   | 43 +++++++++++++++++++
> >  1 file changed, 43 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/pci/rcar-pci-ep.txt
> >
> > diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-ep.txt
> > b/Documentation/devicetree/bindings/pci/rcar-pci-ep.txt
> > new file mode 100644
> > index 000000000000..b8c8616ca007
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pci/rcar-pci-ep.txt
> > @@ -0,0 +1,43 @@
> > +* Renesas R-Car PCIe Endpoint Controller DT description
> > +
> > +Required properties:
> > +         "renesas,pcie-ep-r8a774c0" for the R8A774C0 SoC;
> > +         "renesas,pcie-ep-rcar-gen3" for a generic R-Car Gen3 or
> > +                                  RZ/G2 compatible device.
> > +
> > +         When compatible with the generic version, nodes must list the
> > +         SoC-specific version corresponding to the platform first
> > +         followed by the generic version.
> > +
> > +- reg: Five register ranges as listed in the reg-names property
> > +- reg-names: Must include the following names
> > +     - "apb-base"
> > +     - "memory0"
> > +     - "memory1"
> > +     - "memory2"
> > +     - "memory3"
> > +- resets: Must contain phandles to PCIe-related reset lines exposed by IP
> > block
> > +- clocks: from common clock binding: clock specifiers for the PCIe controller
> > +      clock.
> > +- clock-names: from common clock binding: should be "pcie".
> > +
> > +Optional Property:
> > +- max-functions: Maximum number of functions that can be configured
> > (default 1).
> > +
> > +Example:
> > +
> > +SoC-specific DT Entry:
> > +
> > +     pcie_ep: pcie_ep@fe000000 {
> > +             compatible = "renesas,pcie-r8a7791", "renesas,pcie-rcar-
> > gen2";
>
> I believe it is currently tested on RZ/G2E. so please use the same.
>
Yes you are correct its tested on RZ/G2E board, ill fix it in next iteration.

Cheers,
--Prabhakar