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100 lines
2.3 KiB
100 lines
2.3 KiB
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
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# Copyright 2018 Linaro Ltd. |
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%YAML 1.2 |
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--- |
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$id: "http://devicetree.org/schemas/net/intel,ixp4xx-ethernet.yaml#" |
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$schema: "http://devicetree.org/meta-schemas/core.yaml#" |
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title: Intel IXP4xx ethernet |
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allOf: |
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- $ref: "ethernet-controller.yaml#" |
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maintainers: |
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- Linus Walleij <[email protected]> |
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description: | |
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The Intel IXP4xx ethernet makes use of the IXP4xx NPE (Network |
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Processing Engine) and the IXP4xx Queue Manager to process |
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the ethernet frames. It can optionally contain an MDIO bus to |
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talk to PHYs. |
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properties: |
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compatible: |
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const: intel,ixp4xx-ethernet |
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reg: |
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maxItems: 1 |
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description: Ethernet MMIO address range |
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queue-rx: |
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$ref: '/schemas/types.yaml#/definitions/phandle-array' |
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maxItems: 1 |
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description: phandle to the RX queue on the NPE |
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queue-txready: |
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$ref: '/schemas/types.yaml#/definitions/phandle-array' |
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maxItems: 1 |
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description: phandle to the TX READY queue on the NPE |
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phy-mode: true |
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phy-handle: true |
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intel,npe-handle: |
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$ref: '/schemas/types.yaml#/definitions/phandle-array' |
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maxItems: 1 |
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description: phandle to the NPE this ethernet instance is using |
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and the instance to use in the second cell |
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mdio: |
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$ref: mdio.yaml# |
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unevaluatedProperties: false |
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description: optional node for embedded MDIO controller |
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required: |
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- compatible |
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- reg |
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- queue-rx |
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- queue-txready |
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- intel,npe-handle |
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additionalProperties: false |
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examples: |
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- | |
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npe: npe@c8006000 { |
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compatible = "intel,ixp4xx-network-processing-engine"; |
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reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>; |
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}; |
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ethernet@c8009000 { |
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compatible = "intel,ixp4xx-ethernet"; |
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reg = <0xc8009000 0x1000>; |
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queue-rx = <&qmgr 4>; |
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queue-txready = <&qmgr 21>; |
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intel,npe-handle = <&npe 1>; |
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phy-mode = "rgmii"; |
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phy-handle = <&phy1>; |
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}; |
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ethernet@c800c000 { |
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compatible = "intel,ixp4xx-ethernet"; |
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reg = <0xc800c000 0x1000>; |
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queue-rx = <&qmgr 3>; |
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queue-txready = <&qmgr 20>; |
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intel,npe-handle = <&npe 2>; |
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phy-mode = "rgmii"; |
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phy-handle = <&phy2>; |
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mdio { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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phy1: ethernet-phy@1 { |
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reg = <1>; |
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}; |
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phy2: ethernet-phy@2 { |
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reg = <2>; |
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}; |
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}; |
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};
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