Commit 642fcf53 authored by Horatiu Vultur's avatar Horatiu Vultur Committed by David S. Miller

dt-bindings: net: lan966x: Add lan966x-switch bindings

Document the lan966x switch device driver bindings
Signed-off-by: default avatarHoratiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 35aefaad
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/microchip,lan966x-switch.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip Lan966x Ethernet switch controller
maintainers:
- Horatiu Vultur <horatiu.vultur@microchip.com>
description: |
The lan966x switch is a multi-port Gigabit AVB/TSN Ethernet Switch with
two integrated 10/100/1000Base-T PHYs. In addition to the integrated PHYs,
it supports up to 2RGMII/RMII, up to 3BASE-X/SERDES/2.5GBASE-X and up to
2 Quad-SGMII/Quad-USGMII interfaces.
properties:
$nodename:
pattern: "^switch@[0-9a-f]+$"
compatible:
const: microchip,lan966x-switch
reg:
items:
- description: cpu target
- description: general control block target
reg-names:
items:
- const: cpu
- const: gcb
interrupts:
minItems: 1
items:
- description: register based extraction
- description: frame dma based extraction
interrupt-names:
minItems: 1
items:
- const: xtr
- const: fdma
resets:
items:
- description: Reset controller used for switch core reset (soft reset)
- description: Reset controller used for releasing the phy from reset
reset-names:
items:
- const: switch
- const: phy
ethernet-ports:
type: object
patternProperties:
"^port@[0-9a-f]+$":
type: object
allOf:
- $ref: "http://devicetree.org/schemas/net/ethernet-controller.yaml#"
properties:
'#address-cells':
const: 1
'#size-cells':
const: 0
reg:
description:
Switch port number
phys:
description:
Phandle of a Ethernet SerDes PHY
phy-mode:
description:
This specifies the interface used by the Ethernet SerDes towards
the PHY or SFP.
enum:
- gmii
- sgmii
- qsgmii
- 1000base-x
- 2500base-x
phy-handle:
description:
Phandle of a Ethernet PHY.
sfp:
description:
Phandle of an SFP.
managed: true
required:
- reg
- phys
- phy-mode
oneOf:
- required:
- phy-handle
- required:
- sfp
- managed
required:
- compatible
- reg
- reg-names
- interrupts
- interrupt-names
- resets
- reset-names
- ethernet-ports
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
switch: switch@e0000000 {
compatible = "microchip,lan966x-switch";
reg = <0xe0000000 0x0100000>,
<0xe2000000 0x0800000>;
reg-names = "cpu", "gcb";
interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "xtr";
resets = <&switch_reset 0>, <&phy_reset 0>;
reset-names = "switch", "phy";
ethernet-ports {
#address-cells = <1>;
#size-cells = <0>;
port0: port@0 {
reg = <0>;
phy-handle = <&phy0>;
phys = <&serdes 0 0>;
phy-mode = "gmii";
};
port1: port@1 {
reg = <1>;
sfp = <&sfp_eth1>;
managed = "in-band-status";
phys = <&serdes 2 4>;
phy-mode = "sgmii";
};
};
};
...
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