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,keep-pll-enabled: 32 description: | 33 If set, keep the PLL enabled even if there is no link. Useful if you 34 want to use the clock output without an ethernet link. 35 36 Only supported on the AR8031. 37 type: boolean 38 39 vddio-supply: 40 description: | 41 RGMII I/O voltage regulator (see regulator/regulator.yaml). 42 43 The PHY supports RGMII I/O voltages of 1.5V, 1.8V and 2.5V. You can 44 either connect this to the vddio-regulator (1.5V / 1.8V) or the 45 vddh-regulator (2.5V). 46 47 Only supported on the AR8031. 48 49 vddio-regulator: 50 type: object 51 description: 52 Initial data for the VDDIO regulator. Set this to 1.5V or 1.8V. 53 $ref: /schemas/regulator/regulator.yaml 54 55 vddh-regulator: 56 type: object 57 description: 58 Dummy subnode to model the external connection of the PHY VDDH 59 regulator to VDDIO. 60 $ref: /schemas/regulator/regulator.yaml 61 62examples: 63 - | 64 #include <dt-bindings/net/qca-ar803x.h> 65 66 ethernet { 67 #address-cells = <1>; 68 #size-cells = <0>; 69 70 phy-mode = "rgmii-id"; 71 72 ethernet-phy@0 { 73 reg = <0>; 74 75 qca,clk-out-frequency = <125000000>; 76 qca,clk-out-strength = <AR803X_STRENGTH_FULL>; 77 78 vddio-supply = <&vddio>; 79 80 vddio: vddio-regulator { 81 regulator-min-microvolt = <1800000>; 82 regulator-max-microvolt = <1800000>; 83 }; 84 }; 85 }; 86 - | 87 #include <dt-bindings/net/qca-ar803x.h> 88 89 ethernet { 90 #address-cells = <1>; 91 #size-cells = <0>; 92 93 phy-mode = "rgmii-id"; 94 95 ethernet-phy@0 { 96 reg = <0>; 97 98 qca,clk-out-frequency = <50000000>; 99 qca,keep-pll-enabled; 100 101 vddio-supply = <&vddh>; 102 103 vddh: vddh-regulator { 104 }; 105 }; 106 }; 107