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Diffstat (limited to 'Documentation/devicetree/bindings/net/intel,ixp4xx-ethernet.yaml')
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1 files changed, 109 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/intel,ixp4xx-ethernet.yaml b/Documentation/devicetree/bindings/net/intel,ixp4xx-ethernet.yaml new file mode 100644 index 0000000000..4fdc532882 --- /dev/null +++ b/Documentation/devicetree/bindings/net/intel,ixp4xx-ethernet.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2018 Linaro Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/intel,ixp4xx-ethernet.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel IXP4xx ethernet + +allOf: + - $ref: ethernet-controller.yaml# + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + The Intel IXP4xx ethernet makes use of the IXP4xx NPE (Network + Processing Engine) and the IXP4xx Queue Manager to process + the ethernet frames. It can optionally contain an MDIO bus to + talk to PHYs. + +properties: + compatible: + const: intel,ixp4xx-ethernet + + reg: + maxItems: 1 + description: Ethernet MMIO address range + + queue-rx: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to the RX queue node + - description: RX queue instance to use + description: phandle to the RX queue on the NPE + + queue-txready: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to the TX READY queue node + - description: TX READY queue instance to use + description: phandle to the TX READY queue on the NPE + + phy-mode: true + + phy-handle: true + + intel,npe-handle: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to the NPE this ethernet instance is using + - description: the NPE instance to use + description: phandle to the NPE this ethernet instance is using + and the instance to use in the second cell + + mdio: + $ref: mdio.yaml# + unevaluatedProperties: false + description: optional node for embedded MDIO controller + +required: + - compatible + - reg + - queue-rx + - queue-txready + - intel,npe-handle + +additionalProperties: false + +examples: + - | + npe: npe@c8006000 { + compatible = "intel,ixp4xx-network-processing-engine"; + reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>; + }; + + ethernet@c8009000 { + compatible = "intel,ixp4xx-ethernet"; + reg = <0xc8009000 0x1000>; + queue-rx = <&qmgr 4>; + queue-txready = <&qmgr 21>; + intel,npe-handle = <&npe 1>; + phy-mode = "rgmii"; + phy-handle = <&phy1>; + }; + + ethernet@c800c000 { + compatible = "intel,ixp4xx-ethernet"; + reg = <0xc800c000 0x1000>; + queue-rx = <&qmgr 3>; + queue-txready = <&qmgr 20>; + intel,npe-handle = <&npe 2>; + phy-mode = "rgmii"; + phy-handle = <&phy2>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + phy1: ethernet-phy@1 { + reg = <1>; + }; + phy2: ethernet-phy@2 { + reg = <2>; + }; + }; + }; |