1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/net/brcm,unimac-mdio.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Broadcom UniMAC MDIO bus controller 8 9maintainers: 10 - Doug Berger <opendmb@gmail.com> 11 - Florian Fainelli <f.fainelli@gmail.com> 12 - Rafał Miłecki <rafal@milecki.pl> 13 14allOf: 15 - $ref: mdio.yaml# 16 17properties: 18 compatible: 19 enum: 20 - brcm,genet-mdio-v1 21 - brcm,genet-mdio-v2 22 - brcm,genet-mdio-v3 23 - brcm,genet-mdio-v4 24 - brcm,genet-mdio-v5 25 - brcm,asp-v2.0-mdio 26 - brcm,asp-v2.1-mdio 27 - brcm,unimac-mdio 28 29 reg: 30 minItems: 1 31 items: 32 - description: base register 33 - description: indirect accesses to larger than 16-bits MDIO transactions 34 35 reg-names: 36 minItems: 1 37 items: 38 - const: mdio 39 - const: mdio_indir_rw 40 41 interrupts: 42 oneOf: 43 - description: > 44 Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO 45 block is integrated from 46 - items: 47 - description: | 48 "mdio done" interrupt 49 - description: | 50 "mdio error" interrupt 51 52 interrupt-names: 53 oneOf: 54 - const: mdio_done_error 55 - items: 56 - const: mdio_done 57 - const: mdio_error 58 59 clocks: 60 description: A reference to the clock supplying the MDIO bus controller 61 62 clock-frequency: 63 description: > 64 The MDIO bus clock that must be output by the MDIO bus hardware, if 65 absent, the default hardware values are used 66 67unevaluatedProperties: false 68 69required: 70 - reg 71 - '#address-cells' 72 - '#size-cells' 73 74examples: 75 - | 76 mdio@403c0 { 77 compatible = "brcm,unimac-mdio"; 78 reg = <0x403c0 0x8>, <0x40300 0x18>; 79 reg-names = "mdio", "mdio_indir_rw"; 80 #address-cells = <1>; 81 #size-cells = <0>; 82 83 ethernet-phy@0 { 84 compatible = "ethernet-phy-ieee802.3-c22"; 85 reg = <0>; 86 }; 87 }; 88