On Wed, Jul 19, 2023 at 06:20:49PM +0800, Minda Chen wrote: > Add PLDA XpressRICH PCIe host common properties dt-binding doc. > Microchip PolarFire PCIe host using PLDA IP. > Extract properties from Microchip PolarFire PCIe host. > > Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx> > Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx> > --- > .../pci/plda,xpressrich-pcie-common.yaml | 72 +++++++++++++++++++ > 1 file changed, 72 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml > > diff --git a/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml > new file mode 100644 > index 000000000000..3627a846c5d1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml > @@ -0,0 +1,72 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pci/plda,xpressrich-pcie-common.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: PLDA XpressRICH PCIe host common properties > + > +maintainers: > + - Daire McNamara <daire.mcnamara@xxxxxxxxxxxxx> > + - Minda Chen <minda.chen@xxxxxxxxxxxxxxxx> > + > +description: > + Generic PLDA XpressRICH PCIe host common properties. > + > +select: false > + > +properties: > + reg: > + description: > + At least host IP register set and configuration space are > + required for normal controller work. > + maxItems: 2 > + > + reg-names: > + oneOf: > + - items: > + - const: cfg > + - const: apb > + - items: > + - const: host > + - const: cfg This didn't exist before. Where's the reasoning? There's no reason for 'cfg' to be in different spots and little reason to have different names for the host/apb space. Rob