On 2023/7/20 6:31, Rob Herring wrote: > 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 > ok, I will follow cfg and apb