99 lines
2.0 KiB
YAML
99 lines
2.0 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/litex,liteeth.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: LiteX LiteETH ethernet device
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maintainers:
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- Joel Stanley <joel@jms.id.au>
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description: |
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LiteETH is a small footprint and configurable Ethernet core for FPGA based
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system on chips.
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The hardware source is Open Source and can be found on at
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https://github.com/enjoy-digital/liteeth/.
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allOf:
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- $ref: ethernet-controller.yaml#
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properties:
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compatible:
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const: litex,liteeth
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reg:
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items:
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- description: MAC registers
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- description: MDIO registers
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- description: Packet buffer
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reg-names:
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items:
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- const: mac
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- const: mdio
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- const: buffer
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interrupts:
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maxItems: 1
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litex,rx-slots:
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description: Number of slots in the receive buffer
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1
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default: 2
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litex,tx-slots:
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description: Number of slots in the transmit buffer
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1
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default: 2
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litex,slot-size:
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description: Size in bytes of a slot in the tx/rx buffer
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x800
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default: 0x800
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mac-address: true
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local-mac-address: true
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phy-handle: true
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mdio:
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$ref: mdio.yaml#
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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examples:
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- |
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mac: ethernet@8020000 {
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compatible = "litex,liteeth";
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reg = <0x8021000 0x100>,
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<0x8020800 0x100>,
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<0x8030000 0x2000>;
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reg-names = "mac", "mdio", "buffer";
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litex,rx-slots = <2>;
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litex,tx-slots = <2>;
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litex,slot-size = <0x800>;
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interrupts = <0x11 0x1>;
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phy-handle = <ð_phy>;
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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eth_phy: ethernet-phy@0 {
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reg = <0>;
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};
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};
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};
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...
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# vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft=yaml :
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