1 # SPDX-License-Identifier: GPL-2.0 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/net/marvell,mvusb.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: Marvell USB to MDIO Controller 8 9 maintainers: 10 - Tobias Waldekranz <tobias@waldekranz.com> 11 12 description: |+ 13 This controller is mounted on development boards for Marvell's Link Street 14 family of Ethernet switches. It allows you to configure the switch's registers 15 using the standard MDIO interface. 16 17 Since the device is connected over USB, there is no strict requirement of 18 having a device tree representation of the device. But in order to use it with 19 the mv88e6xxx driver, you need a device tree node in which to place the switch 20 definition. 21 22 allOf: 23 - $ref: mdio.yaml# 24 25 properties: 26 compatible: 27 const: usb1286,1fa4 28 reg: 29 maxItems: 1 30 description: The USB port number on the host controller 31 32 required: 33 - compatible 34 - reg 35 - "#address-cells" 36 - "#size-cells" 37 38 unevaluatedProperties: false 39 40 examples: 41 - | 42 /* USB host controller */ 43 usb { 44 #address-cells = <1>; 45 #size-cells = <0>; 46 47 mdio@1 { 48 compatible = "usb1286,1fa4"; 49 reg = <1>; 50 #address-cells = <1>; 51 #size-cells = <0>; 52 53 ethernet-switch@0 { 54 compatible = "marvell,mv88e6190"; 55 reg = <0x0>; 56 57 ethernet-ports { 58 #address-cells = <1>; 59 #size-cells = <0>; 60 61 /* Port definitions */ 62 }; 63 64 mdio { 65 /* PHY definitions */ 66 }; 67 }; 68 }; 69 };
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