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Diffstat (limited to 'Documentation/devicetree/bindings/net/micrel.yaml')
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diff --git a/Documentation/devicetree/bindings/net/micrel.yaml b/Documentation/devicetree/bindings/net/micrel.yaml new file mode 100644 index 000000000000..ecc00169ef80 --- /dev/null +++ b/Documentation/devicetree/bindings/net/micrel.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/micrel.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Micrel KSZ series PHYs and switches + +maintainers: + - Andrew Lunn <andrew@lunn.ch> + - Stefan Eichenberger <eichest@gmail.com> + +description: + The Micrel KSZ series contains different network phys and switches. + +properties: + compatible: + enum: + - ethernet-phy-id000e.7237 # KSZ8873MLL + - ethernet-phy-id0022.1430 # KSZ886X + - ethernet-phy-id0022.1435 # KSZ8863 + - ethernet-phy-id0022.1510 # KSZ8041 + - ethernet-phy-id0022.1537 # KSZ8041RNLI + - ethernet-phy-id0022.1550 # KSZ8051 + - ethernet-phy-id0022.1555 # KSZ8021 + - ethernet-phy-id0022.1556 # KSZ8031 + - ethernet-phy-id0022.1560 # KSZ8081, KSZ8091 + - ethernet-phy-id0022.1570 # KSZ8061 + - ethernet-phy-id0022.161a # KSZ8001 + - ethernet-phy-id0022.1720 # KS8737 + + micrel,fiber-mode: + type: boolean + description: | + If present the PHY is configured to operate in fiber mode. + + The KSZ8041FTL variant supports fiber mode, enabled by the FXEN + boot strapping pin. It can't be determined from the PHY registers + whether the PHY is in fiber mode, so this boolean device tree + property can be used to describe it. + + In fiber mode, auto-negotiation is disabled and the PHY can only + work in 100base-fx (full and half duplex) modes. + + micrel,led-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + LED mode value to set for PHYs with configurable LEDs. + + Configure the LED mode with single value. The list of PHYs and the + bits that are currently supported: + + KSZ8001: register 0x1e, bits 15..14 + KSZ8041: register 0x1e, bits 15..14 + KSZ8021: register 0x1f, bits 5..4 + KSZ8031: register 0x1f, bits 5..4 + KSZ8051: register 0x1f, bits 5..4 + KSZ8081: register 0x1f, bits 5..4 + KSZ8091: register 0x1f, bits 5..4 + + See the respective PHY datasheet for the mode values. + minimum: 0 + maximum: 3 + +allOf: + - $ref: ethernet-phy.yaml# + - if: + not: + properties: + compatible: + contains: + const: ethernet-phy-id0022.1510 + then: + properties: + micrel,fiber-mode: false + - if: + not: + properties: + compatible: + contains: + enum: + - ethernet-phy-id0022.1510 + - ethernet-phy-id0022.1555 + - ethernet-phy-id0022.1556 + - ethernet-phy-id0022.1550 + - ethernet-phy-id0022.1560 + - ethernet-phy-id0022.161a + then: + properties: + micrel,led-mode: false + - if: + properties: + compatible: + contains: + enum: + - ethernet-phy-id0022.1555 + - ethernet-phy-id0022.1556 + - ethernet-phy-id0022.1560 + then: + properties: + clock-names: + const: rmii-ref + description: + The RMII reference input clock. Used to determine the XI input + clock. + micrel,rmii-reference-clock-select-25-mhz: + type: boolean + description: | + RMII Reference Clock Select bit selects 25 MHz mode + + Setting the RMII Reference Clock Select bit enables 25 MHz rather + than 50 MHz clock mode. + +dependentRequired: + micrel,rmii-reference-clock-select-25-mhz: [ clock-names ] + +unevaluatedProperties: false + +examples: + - | + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-phy@5 { + compatible = "ethernet-phy-id0022.1510"; + reg = <5>; + micrel,led-mode = <2>; + micrel,fiber-mode; + }; + }; |