| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/net/brcm,unimac-mdio.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Broadcom UniMAC MDIO bus controller |
| |
| maintainers: |
| - Doug Berger <opendmb@gmail.com> |
| - Florian Fainelli <f.fainelli@gmail.com> |
| - Rafał Miłecki <rafal@milecki.pl> |
| |
| allOf: |
| - $ref: mdio.yaml# |
| |
| properties: |
| compatible: |
| enum: |
| - brcm,genet-mdio-v1 |
| - brcm,genet-mdio-v2 |
| - brcm,genet-mdio-v3 |
| - brcm,genet-mdio-v4 |
| - brcm,genet-mdio-v5 |
| - brcm,asp-v2.0-mdio |
| - brcm,asp-v2.1-mdio |
| - brcm,asp-v2.2-mdio |
| - brcm,unimac-mdio |
| - brcm,bcm6846-mdio |
| |
| reg: |
| minItems: 1 |
| items: |
| - description: base register |
| - description: indirect accesses to larger than 16-bits MDIO transactions |
| |
| reg-names: |
| minItems: 1 |
| items: |
| - const: mdio |
| - const: mdio_indir_rw |
| |
| interrupts: |
| oneOf: |
| - description: > |
| Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO |
| block is integrated from |
| - items: |
| - description: | |
| "mdio done" interrupt |
| - description: | |
| "mdio error" interrupt |
| |
| interrupt-names: |
| oneOf: |
| - const: mdio_done_error |
| - items: |
| - const: mdio_done |
| - const: mdio_error |
| |
| clocks: |
| description: A reference to the clock supplying the MDIO bus controller |
| |
| clock-frequency: |
| description: > |
| The MDIO bus clock that must be output by the MDIO bus hardware, if |
| absent, the default hardware values are used |
| |
| unevaluatedProperties: false |
| |
| required: |
| - reg |
| - '#address-cells' |
| - '#size-cells' |
| |
| examples: |
| - | |
| mdio@403c0 { |
| compatible = "brcm,unimac-mdio"; |
| reg = <0x403c0 0x8>, <0x40300 0x18>; |
| reg-names = "mdio", "mdio_indir_rw"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| ethernet-phy@0 { |
| compatible = "ethernet-phy-ieee802.3-c22"; |
| reg = <0>; |
| }; |
| }; |
