124 lines
3.5 KiB
YAML
124 lines
3.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
# Copyright 2021 Linaro Ltd.
|
|
%YAML 1.2
|
|
---
|
|
$id: "http://devicetree.org/schemas/net/intel,ixp4xx-hss.yaml#"
|
|
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
|
|
|
|
title: Intel IXP4xx V.35 WAN High Speed Serial Link (HSS)
|
|
|
|
maintainers:
|
|
- Linus Walleij <linus.walleij@linaro.org>
|
|
|
|
description: |
|
|
The Intel IXP4xx HSS makes use of the IXP4xx NPE (Network
|
|
Processing Engine) and the IXP4xx Queue Manager to process
|
|
V.35 Wideband Modem (WAN) links.
|
|
|
|
properties:
|
|
compatible:
|
|
const: intel,ixp4xx-hss
|
|
|
|
reg:
|
|
maxItems: 1
|
|
description: The HSS instance
|
|
|
|
intel,npe-handle:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
items:
|
|
items:
|
|
- description: phandle to the NPE this HSS instance is using
|
|
- description: the NPE instance number
|
|
description: phandle to the NPE this HSS instance is using
|
|
and the instance to use in the second cell
|
|
|
|
intel,queue-chl-rxtrig:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
items:
|
|
- items:
|
|
- description: phandle to the RX trigger queue on the NPE
|
|
- description: the queue instance number
|
|
description: phandle to the RX trigger queue on the NPE
|
|
|
|
intel,queue-chl-txready:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
items:
|
|
- items:
|
|
- description: phandle to the TX ready queue on the NPE
|
|
- description: the queue instance number
|
|
description: phandle to the TX ready queue on the NPE
|
|
|
|
intel,queue-pkt-rx:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
items:
|
|
- items:
|
|
- description: phandle to the RX queue on the NPE
|
|
- description: the queue instance number
|
|
description: phandle to the packet RX queue on the NPE
|
|
|
|
intel,queue-pkt-tx:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
maxItems: 4
|
|
items:
|
|
items:
|
|
- description: phandle to the TX queue on the NPE
|
|
- description: the queue instance number
|
|
description: phandle to the packet TX0, TX1, TX2 and TX3 queues on the NPE
|
|
|
|
intel,queue-pkt-rxfree:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
maxItems: 4
|
|
items:
|
|
items:
|
|
- description: phandle to the RXFREE queue on the NPE
|
|
- description: the queue instance number
|
|
description: phandle to the packet RXFREE0, RXFREE1, RXFREE2 and
|
|
RXFREE3 queues on the NPE
|
|
|
|
intel,queue-pkt-txdone:
|
|
$ref: '/schemas/types.yaml#/definitions/phandle-array'
|
|
items:
|
|
- items:
|
|
- description: phandle to the TXDONE queue on the NPE
|
|
- description: the queue instance number
|
|
description: phandle to the packet TXDONE queue on the NPE
|
|
|
|
cts-gpios:
|
|
maxItems: 1
|
|
description: Clear To Send (CTS) GPIO line
|
|
|
|
rts-gpios:
|
|
maxItems: 1
|
|
description: Ready To Send (RTS) GPIO line
|
|
|
|
dcd-gpios:
|
|
maxItems: 1
|
|
description: Data Carrier Detect (DCD) GPIO line
|
|
|
|
dtr-gpios:
|
|
maxItems: 1
|
|
description: Data Terminal Ready (DTR) GPIO line
|
|
|
|
clk-internal-gpios:
|
|
maxItems: 1
|
|
description: Clock internal GPIO line, driving this high will make the HSS
|
|
use internal clocking as opposed to external clocking
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- intel,npe-handle
|
|
- intel,queue-chl-rxtrig
|
|
- intel,queue-chl-txready
|
|
- intel,queue-pkt-rx
|
|
- intel,queue-pkt-tx
|
|
- intel,queue-pkt-rxfree
|
|
- intel,queue-pkt-txdone
|
|
- cts-gpios
|
|
- rts-gpios
|
|
- dcd-gpios
|
|
- dtr-gpios
|
|
- clk-internal-gpios
|
|
|
|
additionalProperties: false
|