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Diffstat (limited to 'Documentation/devicetree/bindings/net/ethernet-controller.yaml')
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1 files changed, 229 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml new file mode 100644 index 000000000..9e41dad9e --- /dev/null +++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml @@ -0,0 +1,229 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ethernet-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ethernet Controller Generic Binding + +maintainers: + - David S. Miller <davem@davemloft.net> + +properties: + $nodename: + pattern: "^ethernet(@.*)?$" + + local-mac-address: + description: + Specifies the MAC address that was assigned to the network device. + $ref: /schemas/types.yaml#definitions/uint8-array + items: + - minItems: 6 + maxItems: 6 + + mac-address: + description: + Specifies the MAC address that was last used by the boot + program; should be used in cases where the MAC address assigned + to the device by the boot program is different from the + local-mac-address property. + $ref: /schemas/types.yaml#definitions/uint8-array + items: + - minItems: 6 + maxItems: 6 + + max-frame-size: + $ref: /schemas/types.yaml#definitions/uint32 + description: + Maximum transfer unit (IEEE defined MTU), rather than the + maximum frame size (there\'s contradiction in the Devicetree + Specification). + + max-speed: + $ref: /schemas/types.yaml#definitions/uint32 + description: + Specifies maximum speed in Mbit/s supported by the device. + + nvmem-cells: + maxItems: 1 + description: + Reference to an nvmem node for the MAC address + + nvmem-cell-names: + const: mac-address + + phy-connection-type: + description: + Specifies interface type between the Ethernet device and a physical + layer (PHY) device. + enum: + # There is not a standard bus between the MAC and the PHY, + # something proprietary is being used to embed the PHY in the + # MAC. + - internal + - mii + - gmii + - sgmii + - qsgmii + - tbi + - rev-mii + - rmii + + # RX and TX delays are added by the MAC when required + - rgmii + + # RGMII with internal RX and TX delays provided by the PHY, + # the MAC should not add the RX or TX delays in this case + - rgmii-id + + # RGMII with internal RX delay provided by the PHY, the MAC + # should not add an RX delay in this case + - rgmii-rxid + + # RGMII with internal TX delay provided by the PHY, the MAC + # should not add an TX delay in this case + - rgmii-txid + - rtbi + - smii + - xgmii + - trgmii + - 1000base-x + - 2500base-x + - rxaui + - xaui + + # 10GBASE-KR, XFI, SFI + - 10gbase-kr + - usxgmii + + phy-mode: + $ref: "#/properties/phy-connection-type" + + phy-handle: + $ref: /schemas/types.yaml#definitions/phandle + description: + Specifies a reference to a node representing a PHY device. + + phy: + $ref: "#/properties/phy-handle" + deprecated: true + + phy-device: + $ref: "#/properties/phy-handle" + deprecated: true + + rx-fifo-depth: + $ref: /schemas/types.yaml#definitions/uint32 + description: + The size of the controller\'s receive fifo in bytes. This is used + for components that can have configurable receive fifo sizes, + and is useful for determining certain configuration settings + such as flow control thresholds. + + rx-internal-delay-ps: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + RGMII Receive Clock Delay defined in pico seconds. + This is used for controllers that have configurable RX internal delays. + If this property is present then the MAC applies the RX delay. + + sfp: + $ref: /schemas/types.yaml#definitions/phandle + description: + Specifies a reference to a node representing a SFP cage. + + tx-fifo-depth: + $ref: /schemas/types.yaml#definitions/uint32 + description: + The size of the controller\'s transmit fifo in bytes. This + is used for components that can have configurable fifo sizes. + + tx-internal-delay-ps: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + RGMII Transmit Clock Delay defined in pico seconds. + This is used for controllers that have configurable TX internal delays. + If this property is present then the MAC applies the TX delay. + + managed: + description: + Specifies the PHY management type. If auto is set and fixed-link + is not specified, it uses MDIO for management. + $ref: /schemas/types.yaml#definitions/string + default: auto + enum: + - auto + - in-band-status + + fixed-link: + allOf: + - if: + type: array + then: + deprecated: true + minItems: 1 + maxItems: 1 + items: + items: + - minimum: 0 + maximum: 31 + description: + Emulated PHY ID, choose any but unique to the all + specified fixed-links + + - enum: [0, 1] + description: + Duplex configuration. 0 for half duplex or 1 for + full duplex + + - enum: [10, 100, 1000] + description: + Link speed in Mbits/sec. + + - enum: [0, 1] + description: + Pause configuration. 0 for no pause, 1 for pause + + - enum: [0, 1] + description: + Asymmetric pause configuration. 0 for no asymmetric + pause, 1 for asymmetric pause + + + - if: + type: object + then: + properties: + speed: + description: + Link speed. + $ref: /schemas/types.yaml#definitions/uint32 + enum: [10, 100, 1000] + + full-duplex: + $ref: /schemas/types.yaml#definitions/flag + description: + Indicates that full-duplex is used. When absent, half + duplex is assumed. + + pause: + $ref: /schemas/types.yaml#definitions/flag + description: + Indicates that pause should be enabled. + + asym-pause: + $ref: /schemas/types.yaml#definitions/flag + description: + Indicates that asym_pause should be enabled. + + link-gpios: + maxItems: 1 + description: + GPIO to determine if the link is up + + required: + - speed + +additionalProperties: true + +... |