Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0+ |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/net/adi,adin.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Analog Devices ADIN1200/ADIN1300 PHY |
| 8 | |
| 9 | maintainers: |
| 10 | - Alexandru Tachici <alexandru.tachici@analog.com> |
| 11 | |
| 12 | description: | |
| 13 | Bindings for Analog Devices Industrial Ethernet PHYs |
| 14 | |
| 15 | allOf: |
| 16 | - $ref: ethernet-phy.yaml# |
| 17 | |
| 18 | properties: |
| 19 | adi,rx-internal-delay-ps: |
| 20 | description: | |
| 21 | RGMII RX Clock Delay used only when PHY operates in RGMII mode with |
| 22 | internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds. |
| 23 | enum: [ 1600, 1800, 2000, 2200, 2400 ] |
| 24 | default: 2000 |
| 25 | |
| 26 | adi,tx-internal-delay-ps: |
| 27 | description: | |
| 28 | RGMII TX Clock Delay used only when PHY operates in RGMII mode with |
| 29 | internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds. |
| 30 | enum: [ 1600, 1800, 2000, 2200, 2400 ] |
| 31 | default: 2000 |
| 32 | |
| 33 | adi,fifo-depth-bits: |
| 34 | description: | |
| 35 | When operating in RMII mode, this option configures the FIFO depth. |
| 36 | enum: [ 4, 8, 12, 16, 20, 24 ] |
| 37 | default: 8 |
| 38 | |
| 39 | adi,phy-output-clock: |
| 40 | description: | |
| 41 | Select clock output on GP_CLK pin. Two clocks are available: |
| 42 | A 25MHz reference and a free-running 125MHz. |
| 43 | The phy can alternatively automatically switch between the reference and |
| 44 | the 125MHz clocks based on its internal state. |
| 45 | $ref: /schemas/types.yaml#/definitions/string |
| 46 | enum: |
| 47 | - 25mhz-reference |
| 48 | - 125mhz-free-running |
| 49 | - adaptive-free-running |
| 50 | |
| 51 | adi,phy-output-reference-clock: |
| 52 | description: Enable 25MHz reference clock output on CLK25_REF pin. |
| 53 | type: boolean |
| 54 | |
| 55 | unevaluatedProperties: false |
| 56 | |
| 57 | examples: |
| 58 | - | |
| 59 | ethernet { |
| 60 | #address-cells = <1>; |
| 61 | #size-cells = <0>; |
| 62 | |
| 63 | phy-mode = "rgmii-id"; |
| 64 | |
| 65 | ethernet-phy@0 { |
| 66 | reg = <0>; |
| 67 | |
| 68 | adi,rx-internal-delay-ps = <1800>; |
| 69 | adi,tx-internal-delay-ps = <2200>; |
| 70 | }; |
| 71 | }; |
| 72 | - | |
| 73 | ethernet { |
| 74 | #address-cells = <1>; |
| 75 | #size-cells = <0>; |
| 76 | |
| 77 | phy-mode = "rmii"; |
| 78 | |
| 79 | ethernet-phy@1 { |
| 80 | reg = <1>; |
| 81 | |
| 82 | adi,fifo-depth-bits = <16>; |
| 83 | }; |
| 84 | }; |