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84 lines
2.4 KiB
84 lines
2.4 KiB
* System Management Interface (SMI) / MDIO |
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Properties: |
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- compatible: One of: |
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"cavium,octeon-3860-mdio": Compatibility with all cn3XXX, cn5XXX |
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and cn6XXX SOCs. |
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"cavium,thunder-8890-mdio": Compatibility with all cn8XXX SOCs. |
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- reg: The base address of the MDIO bus controller register bank. |
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- #address-cells: Must be <1>. |
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- #size-cells: Must be <0>. MDIO addresses have no size component. |
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Typically an MDIO bus might have several children. |
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Example: |
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mdio@1180000001800 { |
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compatible = "cavium,octeon-3860-mdio"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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reg = <0x11800 0x00001800 0x0 0x40>; |
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ethernet-phy@0 { |
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... |
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reg = <0>; |
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}; |
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}; |
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* System Management Interface (SMI) / MDIO Nexus |
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Several mdio buses may be gathered as children of a single PCI |
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device, this PCI device is the nexus of the buses. |
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Properties: |
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- compatible: "cavium,thunder-8890-mdio-nexus"; |
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- reg: The PCI device and function numbers of the nexus device. |
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- #address-cells: Must be <2>. |
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- #size-cells: Must be <2>. |
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- ranges: As needed for mapping of the MDIO bus device registers. |
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- assigned-addresses: As needed for mapping of the MDIO bus device registers. |
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Example: |
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mdio-nexus@1,3 { |
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compatible = "cavium,thunder-8890-mdio-nexus"; |
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#address-cells = <2>; |
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#size-cells = <2>; |
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reg = <0x0b00 0 0 0 0>; /* DEVFN = 0x0b (1:3) */ |
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assigned-addresses = <0x03000000 0x87e0 0x05000000 0x0 0x800000>; |
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ranges = <0x87e0 0x05000000 0x03000000 0x87e0 0x05000000 0x0 0x800000>; |
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mdio0@87e0,05003800 { |
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compatible = "cavium,thunder-8890-mdio"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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reg = <0x87e0 0x05003800 0x0 0x30>; |
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ethernet-phy@0 { |
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... |
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reg = <0>; |
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}; |
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}; |
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mdio0@87e0,05003880 { |
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compatible = "cavium,thunder-8890-mdio"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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reg = <0x87e0 0x05003880 0x0 0x30>; |
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ethernet-phy@0 { |
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... |
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reg = <0>; |
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}; |
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}; |
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};
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