Files
linux_media/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
Lorenzo Bianconi ceb82ac2e7 dt-bindings: net: mediatek: add WED RX binding for MT7986 eth driver
Document the binding for the RX Wireless Ethernet Dispatch core on the
MT7986 ethernet driver used to offload traffic received by WLAN NIC and
forwarded to LAN/WAN one.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-11 08:09:32 +00:00

104 lines
2.5 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt7622-wed.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: MediaTek Wireless Ethernet Dispatch Controller for MT7622
maintainers:
- Lorenzo Bianconi <lorenzo@kernel.org>
- Felix Fietkau <nbd@nbd.name>
description:
The mediatek wireless ethernet dispatch controller can be configured to
intercept and handle access to the WLAN DMA queues and PCIe interrupts
and implement hardware flow offloading from ethernet to WLAN.
properties:
compatible:
items:
- enum:
- mediatek,mt7622-wed
- mediatek,mt7986-wed
- const: syscon
reg:
maxItems: 1
interrupts:
maxItems: 1
memory-region:
items:
- description: firmware EMI region
- description: firmware ILM region
- description: firmware DLM region
- description: firmware CPU DATA region
- description: firmware BOOT region
memory-region-names:
items:
- const: wo-emi
- const: wo-ilm
- const: wo-dlm
- const: wo-data
- const: wo-boot
mediatek,wo-ccif:
$ref: /schemas/types.yaml#/definitions/phandle
description: mediatek wed-wo controller interface.
allOf:
- if:
properties:
compatible:
contains:
const: mediatek,mt7622-wed
then:
properties:
memory-region-names: false
memory-region: false
mediatek,wo-ccif: false
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
wed0: wed@1020a000 {
compatible = "mediatek,mt7622-wed","syscon";
reg = <0 0x1020a000 0 0x1000>;
interrupts = <GIC_SPI 214 IRQ_TYPE_LEVEL_LOW>;
};
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
wed@15010000 {
compatible = "mediatek,mt7986-wed", "syscon";
reg = <0 0x15010000 0 0x1000>;
interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
<&wo_data>, <&wo_boot>;
memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
"wo-data", "wo-boot";
mediatek,wo-ccif = <&wo_ccif0>;
};
};