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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2# Copyright 2018 Linaro Ltd.3%YAML 1.24---5$id: http://devicetree.org/schemas/net/intel,ixp4xx-ethernet.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: Intel IXP4xx ethernet9 10allOf:11 - $ref: ethernet-controller.yaml#12 13maintainers:14 - Linus Walleij <linus.walleij@linaro.org>15 16description: |17 The Intel IXP4xx ethernet makes use of the IXP4xx NPE (Network18 Processing Engine) and the IXP4xx Queue Manager to process19 the ethernet frames. It can optionally contain an MDIO bus to20 talk to PHYs.21 22properties:23 compatible:24 const: intel,ixp4xx-ethernet25 26 reg:27 maxItems: 128 description: Ethernet MMIO address range29 30 queue-rx:31 $ref: /schemas/types.yaml#/definitions/phandle-array32 items:33 - items:34 - description: phandle to the RX queue node35 - description: RX queue instance to use36 description: phandle to the RX queue on the NPE37 38 queue-txready:39 $ref: /schemas/types.yaml#/definitions/phandle-array40 items:41 - items:42 - description: phandle to the TX READY queue node43 - description: TX READY queue instance to use44 description: phandle to the TX READY queue on the NPE45 46 phy-mode: true47 48 phy-handle: true49 50 intel,npe-handle:51 $ref: /schemas/types.yaml#/definitions/phandle-array52 items:53 - items:54 - description: phandle to the NPE this ethernet instance is using55 - description: the NPE instance to use56 description: phandle to the NPE this ethernet instance is using57 and the instance to use in the second cell58 59 mdio:60 $ref: mdio.yaml#61 unevaluatedProperties: false62 description: optional node for embedded MDIO controller63 64required:65 - compatible66 - reg67 - queue-rx68 - queue-txready69 - intel,npe-handle70 71additionalProperties: false72 73examples:74 - |75 npe: npe@c8006000 {76 compatible = "intel,ixp4xx-network-processing-engine";77 reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>;78 };79 80 ethernet@c8009000 {81 compatible = "intel,ixp4xx-ethernet";82 reg = <0xc8009000 0x1000>;83 queue-rx = <&qmgr 4>;84 queue-txready = <&qmgr 21>;85 intel,npe-handle = <&npe 1>;86 phy-mode = "rgmii";87 phy-handle = <&phy1>;88 };89 90 ethernet@c800c000 {91 compatible = "intel,ixp4xx-ethernet";92 reg = <0xc800c000 0x1000>;93 queue-rx = <&qmgr 3>;94 queue-txready = <&qmgr 20>;95 intel,npe-handle = <&npe 2>;96 phy-mode = "rgmii";97 phy-handle = <&phy2>;98 99 mdio {100 #address-cells = <1>;101 #size-cells = <0>;102 phy1: ethernet-phy@1 {103 reg = <1>;104 };105 phy2: ethernet-phy@2 {106 reg = <2>;107 };108 };109 };110