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2c63221cd9
Document the Atheros AR803x PHY bindings. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
112 lines
2.6 KiB
YAML
112 lines
2.6 KiB
YAML
# SPDX-License-Identifier: GPL-2.0+
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/qca,ar803x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Atheros AR803x PHY
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maintainers:
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- Andrew Lunn <andrew@lunn.ch>
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- Florian Fainelli <f.fainelli@gmail.com>
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- Heiner Kallweit <hkallweit1@gmail.com>
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description: |
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Bindings for Qualcomm Atheros AR803x PHYs
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allOf:
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- $ref: ethernet-phy.yaml#
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properties:
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qca,clk-out-frequency:
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description: Clock output frequency in Hertz.
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allOf:
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- $ref: /schemas/types.yaml#/definitions/uint32
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- enum: [ 25000000, 50000000, 62500000, 125000000 ]
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qca,clk-out-strength:
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description: Clock output driver strength.
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allOf:
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- $ref: /schemas/types.yaml#/definitions/uint32
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- enum: [ 0, 1, 2 ]
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qca,keep-pll-enabled:
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description: |
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If set, keep the PLL enabled even if there is no link. Useful if you
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want to use the clock output without an ethernet link.
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Only supported on the AR8031.
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type: boolean
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vddio-supply:
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description: |
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RGMII I/O voltage regulator (see regulator/regulator.yaml).
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The PHY supports RGMII I/O voltages of 1.5V, 1.8V and 2.5V. You can
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either connect this to the vddio-regulator (1.5V / 1.8V) or the
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vddh-regulator (2.5V).
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Only supported on the AR8031.
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vddio-regulator:
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type: object
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description:
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Initial data for the VDDIO regulator. Set this to 1.5V or 1.8V.
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allOf:
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- $ref: /schemas/regulator/regulator.yaml
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vddh-regulator:
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type: object
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description:
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Dummy subnode to model the external connection of the PHY VDDH
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regulator to VDDIO.
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allOf:
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- $ref: /schemas/regulator/regulator.yaml
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examples:
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- |
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#include <dt-bindings/net/qca-ar803x.h>
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ethernet {
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#address-cells = <1>;
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#size-cells = <0>;
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phy-mode = "rgmii-id";
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ethernet-phy@0 {
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reg = <0>;
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qca,clk-out-frequency = <125000000>;
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qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
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vddio-supply = <&vddio>;
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vddio: vddio-regulator {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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};
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};
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- |
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#include <dt-bindings/net/qca-ar803x.h>
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ethernet {
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#address-cells = <1>;
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#size-cells = <0>;
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phy-mode = "rgmii-id";
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ethernet-phy@0 {
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reg = <0>;
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qca,clk-out-frequency = <50000000>;
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qca,keep-pll-enabled;
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vddio-supply = <&vddh>;
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vddh: vddh-regulator {
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};
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};
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};
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