| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Broadcom UniMAC MDIO bus controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Doug Berger <opendmb@gmail.com> |
| 11 | - Florian Fainelli <f.fainelli@gmail.com> |
| 12 | - Rafał Miłecki <rafal@milecki.pl> |
| 13 | |
| 14 | allOf: |
| 15 | - $ref: mdio.yaml# |
| 16 | |
| 17 | properties: |
| 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 |
| Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 27 | - brcm,asp-v2.2-mdio |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 28 | - brcm,unimac-mdio |
| 29 | |
| 30 | reg: |
| 31 | minItems: 1 |
| 32 | items: |
| 33 | - description: base register |
| 34 | - description: indirect accesses to larger than 16-bits MDIO transactions |
| 35 | |
| 36 | reg-names: |
| 37 | minItems: 1 |
| 38 | items: |
| 39 | - const: mdio |
| 40 | - const: mdio_indir_rw |
| 41 | |
| 42 | interrupts: |
| 43 | oneOf: |
| 44 | - description: > |
| 45 | Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO |
| 46 | block is integrated from |
| 47 | - items: |
| 48 | - description: | |
| 49 | "mdio done" interrupt |
| 50 | - description: | |
| 51 | "mdio error" interrupt |
| 52 | |
| 53 | interrupt-names: |
| 54 | oneOf: |
| 55 | - const: mdio_done_error |
| 56 | - items: |
| 57 | - const: mdio_done |
| 58 | - const: mdio_error |
| 59 | |
| 60 | clocks: |
| 61 | description: A reference to the clock supplying the MDIO bus controller |
| 62 | |
| 63 | clock-frequency: |
| 64 | description: > |
| 65 | The MDIO bus clock that must be output by the MDIO bus hardware, if |
| 66 | absent, the default hardware values are used |
| 67 | |
| 68 | unevaluatedProperties: false |
| 69 | |
| 70 | required: |
| 71 | - reg |
| 72 | - '#address-cells' |
| 73 | - '#size-cells' |
| 74 | |
| 75 | examples: |
| 76 | - | |
| 77 | mdio@403c0 { |
| 78 | compatible = "brcm,unimac-mdio"; |
| 79 | reg = <0x403c0 0x8>, <0x40300 0x18>; |
| 80 | reg-names = "mdio", "mdio_indir_rw"; |
| 81 | #address-cells = <1>; |
| 82 | #size-cells = <0>; |
| 83 | |
| 84 | ethernet-phy@0 { |
| 85 | compatible = "ethernet-phy-ieee802.3-c22"; |
| 86 | reg = <0>; |
| 87 | }; |
| 88 | }; |