diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml index e63e6458cea8..c41608863d6c 100644 --- a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml @@ -13,8 +13,37 @@ description: |+ MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) with 3 Root Ports. Each Root Port supports a Gen1 1-lane Link + MT7621 PCIe HOST Topology + + .-------. + | | + | CPU | + | | + '-------' + | + | + | + v + .------------------. + .-----------| HOST/PCI Bridge |------------. + | '------------------' | Type1 + BUS0 | | | Access + v v v On Bus0 + .-------------. .-------------. .-------------. + | VIRTUAL P2P | | VIRTUAL P2P | | VIRTUAL P2P | + | BUS0 | | BUS0 | | BUS0 | + | DEV0 | | DEV1 | | DEV2 | + '-------------' '-------------' '-------------' + Type0 | Type0 | Type0 | + Access BUS1 | Access BUS2| Access BUS3| + On Bus1 v On Bus2 v On Bus3 v + .----------. .----------. .----------. + | Device 0 | | Device 0 | | Device 0 | + | Func 0 | | Func 0 | | Func 0 | + '----------' '----------' '----------' + allOf: - - $ref: /schemas/pci/pci-bus.yaml# + - $ref: /schemas/pci/pci-host-bridge.yaml# properties: compatible: @@ -33,9 +62,12 @@ properties: patternProperties: '^pcie@[0-2],0$': type: object - $ref: /schemas/pci/pci-bus.yaml# + $ref: /schemas/pci/pci-pci-bridge.yaml# properties: + reg: + maxItems: 1 + resets: maxItems: 1 |