From ceb82ac2e745aec252516a9f6bd78f5199f52f46 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 5 Nov 2022 23:36:17 +0100
Subject: [PATCH] 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>
---
 .../bindings/arm/mediatek/mediatek,mt7622-wed.yaml | 52 ++++++++++++++++++++++
 .../soc/mediatek/mediatek,mt7986-wo-ccif.yaml      | 51 +++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
index 84fb0a1..5c223cb 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
@@ -29,6 +29,38 @@ properties:
   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:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: mediatek wed-wo controller interface.
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt7622-wed
+    then:
+      properties:
+        memory-region-names: false
+        memory-region: false
+        mediatek,wo-ccif: false
+
 required:
   - compatible
   - reg
@@ -49,3 +81,23 @@ examples:
         interrupts = <GIC_SPI 214 IRQ_TYPE_LEVEL_LOW>;
       };
     };
+
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      wed@15010000 {
+        compatible = "mediatek,mt7986-wed", "syscon";
+        reg = <0 0x15010000 0 0x1000>;
+        interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+
+        memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
+                        <&wo_data>, <&wo_boot>;
+        memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
+                              "wo-data", "wo-boot";
+        mediatek,wo-ccif = <&wo_ccif0>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml
new file mode 100644
index 0000000..8e6ba2e
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt7986-wo-ccif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Wireless Ethernet Dispatch (WED) WO controller interface for MT7986
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@kernel.org>
+  - Felix Fietkau <nbd@nbd.name>
+
+description:
+  The MediaTek wo-ccif provides a configuration interface for WED WO
+  controller used to perfrom offload rx packet processing (e.g. 802.11
+  aggregation packet reordering or rx header translation) on MT7986 soc.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - mediatek,mt7986-wo-ccif
+      - 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>;
+
+      syscon@151a5000 {
+        compatible = "mediatek,mt7986-wo-ccif", "syscon";
+        reg = <0 0x151a5000 0 0x1000>;
+        interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
-- 
2.7.4