netdev - [PATCH v2 net-next 03/10] dt-bindings: soc: mediatek: move cpuboot in a dedicated dts node

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Message-Id: <62ef3b737de26c3b7f553e1a35a12c36e290773e.1680268101.git.lorenzo@kernel.org>
Date:   Fri, 31 Mar 2023 15:12:39 +0200
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        kuba@...nel.org, matthias.bgg@...il.com,
        linux-mediatek@...ts.infradead.org, nbd@....name, john@...ozen.org,
        sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com,
        lorenzo.bianconi@...hat.com, daniel@...rotopia.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org
Subject: [PATCH v2 net-next 03/10] dt-bindings: soc: mediatek: move cpuboot in a dedicated dts node

Since the cpuboot memory region is not part of the MT7986 RAM SoC,
move cpuboot in a deidicated syscon node.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 .../arm/mediatek/mediatek,mt7622-wed.yaml     | 12 +++--
 .../mediatek/mediatek,mt7986-wo-cpuboot.yaml  | 45 +++++++++++++++++++
 2 files changed, 53 insertions(+), 4 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
index 5c223cb063d4..7f6638d43854 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
@@ -35,7 +35,6 @@ properties:
       - description: firmware ILM region
       - description: firmware DLM region
       - description: firmware CPU DATA region
-      - description: firmware BOOT region
 
   memory-region-names:
     items:
@@ -43,12 +42,15 @@ properties:
       - 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.
 
+  mediatek,wo-cpuboot:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: mediatek wed-wo cpuboot controller interface.
+
 allOf:
   - if:
       properties:
@@ -60,6 +62,7 @@ allOf:
         memory-region-names: false
         memory-region: false
         mediatek,wo-ccif: false
+        mediatek,wo-cpuboot: false
 
 required:
   - compatible
@@ -95,9 +98,10 @@ examples:
         interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
 
         memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
-                        <&wo_data>, <&wo_boot>;
+                        <&wo_data>;
         memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
-                              "wo-data", "wo-boot";
+                              "wo-data";
         mediatek,wo-ccif = <&wo_ccif0>;
+        mediatek,wo-cpuboot = <&wo_cpuboot>;
       };
     };
diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml
new file mode 100644
index 000000000000..1b45c8a86989
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Wireless Ethernet Dispatch (WED) WO Boot firmware interface for MT7986
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@...nel.org>
+  - Felix Fietkau <nbd@....name>
+
+description:
+  The MediaTek wo-cpuboot provides a configuration interface for WED WO
+  controller boot firmware. WED is used to perform 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-cpuboot
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      syscon@...94000 {
+        compatible = "mediatek,mt7986-wo-cpuboot", "syscon";
+        reg = <0 0x15194000 0 0x1000>;
+      };
+    };
-- 
2.39.2