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