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