| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/net/litex,liteeth.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: LiteX LiteETH ethernet device |
| 8 | |
| 9 | maintainers: |
| 10 | - Joel Stanley <joel@jms.id.au> |
| 11 | |
| 12 | description: | |
| 13 | LiteETH is a small footprint and configurable Ethernet core for FPGA based |
| 14 | system on chips. |
| 15 | |
| 16 | The hardware source is Open Source and can be found on at |
| 17 | https://github.com/enjoy-digital/liteeth/. |
| 18 | |
| 19 | allOf: |
| 20 | - $ref: ethernet-controller.yaml# |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | const: litex,liteeth |
| 25 | |
| 26 | reg: |
| 27 | items: |
| 28 | - description: MAC registers |
| 29 | - description: MDIO registers |
| 30 | - description: Packet buffer |
| 31 | |
| 32 | reg-names: |
| 33 | items: |
| 34 | - const: mac |
| 35 | - const: mdio |
| 36 | - const: buffer |
| 37 | |
| 38 | interrupts: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | litex,rx-slots: |
| 42 | description: Number of slots in the receive buffer |
| 43 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 44 | minimum: 1 |
| 45 | default: 2 |
| 46 | |
| 47 | litex,tx-slots: |
| 48 | description: Number of slots in the transmit buffer |
| 49 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 50 | minimum: 1 |
| 51 | default: 2 |
| 52 | |
| 53 | litex,slot-size: |
| 54 | description: Size in bytes of a slot in the tx/rx buffer |
| 55 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 56 | minimum: 0x800 |
| 57 | default: 0x800 |
| 58 | |
| 59 | mac-address: true |
| 60 | local-mac-address: true |
| 61 | phy-handle: true |
| 62 | |
| 63 | mdio: |
| 64 | $ref: mdio.yaml# |
| 65 | unevaluatedProperties: false |
| 66 | |
| 67 | required: |
| 68 | - compatible |
| 69 | - reg |
| 70 | - interrupts |
| 71 | |
| 72 | additionalProperties: false |
| 73 | |
| 74 | examples: |
| 75 | - | |
| 76 | mac: ethernet@8020000 { |
| 77 | compatible = "litex,liteeth"; |
| 78 | reg = <0x8021000 0x100>, |
| 79 | <0x8020800 0x100>, |
| 80 | <0x8030000 0x2000>; |
| 81 | reg-names = "mac", "mdio", "buffer"; |
| 82 | litex,rx-slots = <2>; |
| 83 | litex,tx-slots = <2>; |
| 84 | litex,slot-size = <0x800>; |
| 85 | interrupts = <0x11 0x1>; |
| 86 | phy-handle = <ð_phy>; |
| 87 | |
| 88 | mdio { |
| 89 | #address-cells = <1>; |
| 90 | #size-cells = <0>; |
| 91 | |
| 92 | eth_phy: ethernet-phy@0 { |
| 93 | reg = <0>; |
| 94 | }; |
| 95 | }; |
| 96 | }; |
| 97 | ... |
| 98 | |
| 99 | # vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft=yaml : |