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/qca,ar803x.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm Atheros AR803x PHY |
| 8 | |
| 9 | maintainers: |
| 10 | - Andrew Lunn <andrew@lunn.ch> |
| 11 | - Florian Fainelli <f.fainelli@gmail.com> |
| 12 | - Heiner Kallweit <hkallweit1@gmail.com> |
| 13 | |
| 14 | description: | |
| 15 | Bindings for Qualcomm Atheros AR803x PHYs |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: ethernet-phy.yaml# |
| 19 | |
| 20 | properties: |
| 21 | qca,clk-out-frequency: |
| 22 | description: Clock output frequency in Hertz. |
| 23 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 24 | enum: [25000000, 50000000, 62500000, 125000000] |
| 25 | |
| 26 | qca,clk-out-strength: |
| 27 | description: Clock output driver strength. |
| 28 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 29 | enum: [0, 1, 2] |
| 30 | |
| 31 | qca,disable-smarteee: |
| 32 | description: Disable Atheros SmartEEE feature. |
| 33 | type: boolean |
| 34 | |
| 35 | qca,keep-pll-enabled: |
| 36 | description: | |
| 37 | If set, keep the PLL enabled even if there is no link. Useful if you |
| 38 | want to use the clock output without an ethernet link. |
| 39 | |
| 40 | Only supported on the AR8031. |
| 41 | type: boolean |
| 42 | |
| 43 | qca,disable-hibernation-mode: |
| 44 | description: | |
| 45 | Disable Atheros AR803X PHYs hibernation mode. If present, indicates |
| 46 | that the hardware of PHY will not enter power saving mode when the |
| 47 | cable is disconnected. And the RX_CLK always keeps outputting a |
| 48 | valid clock. |
| 49 | type: boolean |
| 50 | |
| 51 | qca,smarteee-tw-us-100m: |
| 52 | description: EEE Tw parameter for 100M links. |
| 53 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 54 | minimum: 1 |
| 55 | maximum: 255 |
| 56 | |
| 57 | qca,smarteee-tw-us-1g: |
| 58 | description: EEE Tw parameter for gigabit links. |
| 59 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 60 | minimum: 1 |
| 61 | maximum: 255 |
| 62 | |
| 63 | vddio-supply: |
| 64 | description: | |
| 65 | RGMII I/O voltage regulator (see regulator/regulator.yaml). |
| 66 | |
| 67 | The PHY supports RGMII I/O voltages of 1.5V, 1.8V and 2.5V. You can |
| 68 | either connect this to the vddio-regulator (1.5V / 1.8V) or the |
| 69 | vddh-regulator (2.5V). |
| 70 | |
| 71 | Only supported on the AR8031. |
| 72 | |
| 73 | vddio-regulator: |
| 74 | type: object |
| 75 | description: |
| 76 | Initial data for the VDDIO regulator. Set this to 1.5V or 1.8V. |
| 77 | $ref: /schemas/regulator/regulator.yaml |
| 78 | unevaluatedProperties: false |
| 79 | |
| 80 | vddh-regulator: |
| 81 | type: object |
| 82 | description: |
| 83 | Dummy subnode to model the external connection of the PHY VDDH |
| 84 | regulator to VDDIO. |
| 85 | $ref: /schemas/regulator/regulator.yaml |
| 86 | unevaluatedProperties: false |
| 87 | |
| 88 | unevaluatedProperties: false |
| 89 | |
| 90 | examples: |
| 91 | - | |
| 92 | #include <dt-bindings/net/qca-ar803x.h> |
| 93 | |
| 94 | ethernet { |
| 95 | #address-cells = <1>; |
| 96 | #size-cells = <0>; |
| 97 | |
| 98 | phy-mode = "rgmii-id"; |
| 99 | |
| 100 | ethernet-phy@0 { |
| 101 | reg = <0>; |
| 102 | |
| 103 | qca,clk-out-frequency = <125000000>; |
| 104 | qca,clk-out-strength = <AR803X_STRENGTH_FULL>; |
| 105 | |
| 106 | vddio-supply = <&vddio>; |
| 107 | |
| 108 | vddio: vddio-regulator { |
| 109 | regulator-min-microvolt = <1800000>; |
| 110 | regulator-max-microvolt = <1800000>; |
| 111 | }; |
| 112 | }; |
| 113 | }; |
| 114 | - | |
| 115 | #include <dt-bindings/net/qca-ar803x.h> |
| 116 | |
| 117 | ethernet { |
| 118 | #address-cells = <1>; |
| 119 | #size-cells = <0>; |
| 120 | |
| 121 | phy-mode = "rgmii-id"; |
| 122 | |
| 123 | ethernet-phy@0 { |
| 124 | reg = <0>; |
| 125 | |
| 126 | qca,clk-out-frequency = <50000000>; |
| 127 | qca,keep-pll-enabled; |
| 128 | |
| 129 | vddio-supply = <&vddh>; |
| 130 | |
| 131 | vddh: vddh-regulator { |
| 132 | }; |
| 133 | }; |
| 134 | }; |