Hi Rob, On Tue, 25 Sep 2018 15:55:02 -0500 <robh@xxxxxxxxxx> wrote: > On Thu, Sep 06, 2018 at 06:40:31PM +0900, Kunihiko Hayashi wrote: > > Add DT bindings for PCIe controller implemented in UniPhier SoCs when > > configured in Root Complex (host) mode. This controller is based on > > the DesignWare PCIe core. > > > > Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/pci/uniphier-pcie.txt | 78 ++++++++++++++++++++++ > > 1 file changed, 78 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/pci/uniphier-pcie.txt > > > > diff --git a/Documentation/devicetree/bindings/pci/uniphier-pcie.txt b/Documentation/devicetree/bindings/pci/uniphier-pcie.txt > > new file mode 100644 > > index 0000000..a34e167 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/pci/uniphier-pcie.txt > > @@ -0,0 +1,78 @@ > > +Socionext UniPhier PCIe host controller bindings > > + > > +This describes the devicetree bindings for PCIe host controller implemented > > +on Socionext UniPhier SoCs. > > + > > +UniPhier PCIe host controller is based on the Synopsys DesignWare PCI core. > > +It shares common functions with the PCIe DesignWare core driver and inherits > > +common properties defined in > > +Documentation/devicetree/bindings/pci/designware-pcie.txt. > > + > > +Required properties: > > +- compatible: Should be "socionext,uniphier-pcie". > > +- reg: Specifies offset and length of the register set for the device. > > + According to the reg-names, appropriate register sets are required. > > +- reg-names: Must include the following entries: > > + "dbi" - controller configuration registers > > + "link" - SoC-specific glue layer registers > > + "config" - PCIe configuration space > > +- clocks: A phandle to the clock gate for PCIe glue layer including > > + the host controller. > > +- resets: A phandle to the reset line for PCIe glue layer including > > + the host controller. > > +- interrupts: A list of interrupt specifiers. According to the > > + interrupt-names, appropriate interrupts are required. > > +- interrupt-names: Must include the following entries: > > + "dma" - DMA interrupt > > + "msi" - MSI interrupt > > + "intx" - Legacy INTA/B/C/D interrupt > > + > > +Optional properties: > > +- phys: A phandle to generic PCIe PHY. According to the phy-names, appropriate > > + phys are required. > > +- phy-names: Must be "pcie-phy". > > + > > +Required sub-node: > > +- interrupt-controller: Specifies interrupt controller for legacy PCI > > + interrupts. The node name isn't important. > > No, it is important. > > With that sentence removed, > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> I was wrong. the node name is important to express its role. I'll remove that sentence in next. Thank you, --- Best Regards, Kunihiko Hayashi