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authorLorenzo Bianconi <lorenzo@kernel.org>2022-04-05 21:57:45 +0200
committerDavid S. Miller <davem@davemloft.net>2022-04-06 14:08:48 +0100
commit55c1c4e945fa98a91fac699914c4b456e63d8fad (patch)
treeed22a4c3bf569ab8e8028fc756c065c06bc6c1d5 /Documentation
parentarm64: dts: mediatek: mt7622: add support for coherent DMA (diff)
downloadlinux-dev-55c1c4e945fa98a91fac699914c4b456e63d8fad.tar.xz
linux-dev-55c1c4e945fa98a91fac699914c4b456e63d8fad.zip
dt-bindings: arm: mediatek: document WED binding for MT7622
Document the binding for the Wireless Ethernet Dispatch core on the MT7622 SoC, which is used for Ethernet->WLAN offloading Add related info in mediatek-net bindings. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml50
-rw-r--r--Documentation/devicetree/bindings/net/mediatek-net.txt2
2 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
new file mode 100644
index 000000000000..787d6673f952
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
@@ -0,0 +1,50 @@
+# 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
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+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>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt
index 13cb12ee4ed6..1c8dc44bbb52 100644
--- a/Documentation/devicetree/bindings/net/mediatek-net.txt
+++ b/Documentation/devicetree/bindings/net/mediatek-net.txt
@@ -46,6 +46,8 @@ Optional properties:
- mediatek,cci-control: phandle to the cache coherent interconnect node
- mediatek,hifsys: phandle to the mediatek hifsys controller used to provide
various clocks and reset to the system.
+- mediatek,wed: a list of phandles to wireless ethernet dispatch nodes for
+ MT7622 SoC.
* Ethernet MAC node