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 7title: Qualcomm Atheros AR803x PHY 8 9maintainers: 10 - Andrew Lunn <andrew@lunn.ch> 11 - Florian Fainelli <f.fainelli@gmail.com> 12 - Heiner Kallweit <hkallweit1@gmail.com> 13 14description: | 15 Bindings for Qualcomm Atheros AR803x PHYs 16 17allOf: 18 - $ref: ethernet-phy.yaml# 19 20properties: 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,smarteee-tw-us-100m: 44 description: EEE Tw parameter for 100M links. 45 $ref: /schemas/types.yaml#/definitions/uint32 46 minimum: 1 47 maximum: 255 48 49 qca,smarteee-tw-us-1g: 50 description: EEE Tw parameter for gigabit links. 51 $ref: /schemas/types.yaml#/definitions/uint32 52 minimum: 1 53 maximum: 255 54 55 vddio-supply: 56 description: | 57 RGMII I/O voltage regulator (see regulator/regulator.yaml). 58 59 The PHY supports RGMII I/O voltages of 1.5V, 1.8V and 2.5V. You can 60 either connect this to the vddio-regulator (1.5V / 1.8V) or the 61 vddh-regulator (2.5V). 62 63 Only supported on the AR8031. 64 65 vddio-regulator: 66 type: object 67 description: 68 Initial data for the VDDIO regulator. Set this to 1.5V or 1.8V. 69 $ref: /schemas/regulator/regulator.yaml 70 71 vddh-regulator: 72 type: object 73 description: 74 Dummy subnode to model the external connection of the PHY VDDH 75 regulator to VDDIO. 76 $ref: /schemas/regulator/regulator.yaml 77 78unevaluatedProperties: false 79 80examples: 81 - | 82 #include <dt-bindings/net/qca-ar803x.h> 83 84 ethernet { 85 #address-cells = <1>; 86 #size-cells = <0>; 87 88 phy-mode = "rgmii-id"; 89 90 ethernet-phy@0 { 91 reg = <0>; 92 93 qca,clk-out-frequency = <125000000>; 94 qca,clk-out-strength = <AR803X_STRENGTH_FULL>; 95 96 vddio-supply = <&vddio>; 97 98 vddio: vddio-regulator { 99 regulator-min-microvolt = <1800000>; 100 regulator-max-microvolt = <1800000>; 101 }; 102 }; 103 }; 104 - | 105 #include <dt-bindings/net/qca-ar803x.h> 106 107 ethernet { 108 #address-cells = <1>; 109 #size-cells = <0>; 110 111 phy-mode = "rgmii-id"; 112 113 ethernet-phy@0 { 114 reg = <0>; 115 116 qca,clk-out-frequency = <50000000>; 117 qca,keep-pll-enabled; 118 119 vddio-supply = <&vddh>; 120 121 vddh: vddh-regulator { 122 }; 123 }; 124 }; 125