[PATCH net-next 2/6] dt-bindings: net: mediatek: add WED RX binding for MT7986 eth driver

Lorenzo Bianconi lorenzo at kernel.org
Fri Oct 21 09:18:32 PDT 2022


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 at kernel.org>
---
 .../arm/mediatek/mediatek,mt7622-wed.yaml     | 126 ++++++++++++++++++
 .../arm/mediatek/mediatek,mt7986-wo-boot.yaml |  45 +++++++
 .../arm/mediatek/mediatek,mt7986-wo-ccif.yaml |  49 +++++++
 .../arm/mediatek/mediatek,mt7986-wo-dlm.yaml  |  66 +++++++++
 4 files changed, 286 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-boot.yaml
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-ccif.yaml
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-dlm.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
index 84fb0a146b6e..623f11df5545 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
@@ -29,6 +29,59 @@ properties:
   interrupts:
     maxItems: 1
 
+  mediatek,wocpu_emi:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description:
+      Phandle to a node describing reserved memory used by mtk wed firmware
+      (see bindings/reserved-memory/reserved-memory.txt)
+
+  mediatek,wocpu_data:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description:
+      Phandle to a node describing reserved memory used by mtk wed firmware
+      (see bindings/reserved-memory/reserved-memory.txt)
+
+  mediatek,wocpu_ilm:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description:
+      Phandle to a node describing memory used by mtk wed firmware
+
+  mediatek,ap2woccif:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description:
+      Phandle to the mediatek wed-wo controller.
+
+  mediatek,wocpu_boot:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description:
+      Phandle to the mediatek wed-wo boot interface.
+
+  mediatek,wocpu_dlm:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description:
+      Phandle to the mediatek wed-wo rx hw ring.
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt7986-wed
+    then:
+      properties:
+        mediatek,wocpu_data: true
+        mediatek,wocpu_boot: true
+        mediatek,wocpu_emi: true
+        mediatek,wocpu_ilm: true
+        mediatek,ap2woccif: true
+        mediatek,wocpu_dlm: true
+
 required:
   - compatible
   - reg
@@ -49,3 +102,76 @@ examples:
         interrupts = <GIC_SPI 214 IRQ_TYPE_LEVEL_LOW>;
       };
     };
+
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/reset/ti-syscon.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+      reserved-memory {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        wocpu0_emi: wocpu0_emi at 4fd00000 {
+          reg = <0 0x4fd00000 0 0x40000>;
+          no-map;
+        };
+
+        wocpu_data: wocpu_data at 4fd80000 {
+          reg = <0 0x4fd80000 0 0x240000>;
+          no-map;
+        };
+      };
+
+      ethsys: syscon at 15000000 {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "mediatek,mt7986-ethsys", "syscon";
+        reg = <0 0x15000000 0 0x1000>;
+
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+        ethsysrst: reset-controller {
+          compatible = "ti,syscon-reset";
+          #reset-cells = <1>;
+          ti,reset-bits = <0x34 4 0x34 4 0x34 4 (ASSERT_SET | DEASSERT_CLEAR | STATUS_SET)>;
+        };
+      };
+
+      wocpu0_ilm: wocpu0_ilm at 151e0000 {
+        compatible = "mediatek,wocpu0_ilm";
+        reg = <0 0x151e0000 0 0x8000>;
+      };
+
+      cpu_boot: wocpu_boot at 15194000 {
+        compatible = "mediatek,wocpu_boot", "syscon";
+        reg = <0 0x15194000 0 0x1000>;
+      };
+
+      ap2woccif0: ap2woccif at 151a5000 {
+        compatible = "mediatek,ap2woccif", "syscon";
+        reg = <0 0x151a5000 0 0x1000>;
+        interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>;
+      };
+
+      wocpu0_dlm: wocpu_dlm at 151e8000 {
+        compatible = "mediatek,wocpu_dlm";
+        reg = <0 0x151e8000 0 0x2000>;
+        resets = <&ethsysrst 0>;
+        reset-names = "wocpu_rst";
+      };
+
+      wed1: wed at 1020a000 {
+        compatible = "mediatek,mt7986-wed","syscon";
+        reg = <0 0x15010000 0 0x1000>;
+        interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+
+        mediatek,wocpu_data = <&wocpu_data>;
+        mediatek,ap2woccif = <&ap2woccif0>;
+        mediatek,wocpu_ilm = <&wocpu0_ilm>;
+        mediatek,wocpu_dlm = <&wocpu0_dlm>;
+        mediatek,wocpu_emi = <&wocpu_emi>;
+        mediatek,wocpu_boot = <&cpu_boot>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-boot.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-boot.yaml
new file mode 100644
index 000000000000..dc8fdb706960
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-boot.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt7986-wo-boot.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek WED WO boot controller interface for MT7986
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo at kernel.org>
+  - Felix Fietkau <nbd at nbd.name>
+
+description:
+  The mediatek wo-boot provides a configuration interface for WED WO
+  boot controller on MT7986 soc.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - mediatek,wocpu_boot
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+      cpu_boot: wocpu_boot at 15194000 {
+        compatible = "mediatek,wocpu_boot", "syscon";
+        reg = <0 0x15194000 0 0x1000>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-ccif.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-ccif.yaml
new file mode 100644
index 000000000000..8fea86425983
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-ccif.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt7986-wo-ccif.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek WED WO Controller for MT7986
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo at kernel.org>
+  - Felix Fietkau <nbd at nbd.name>
+
+description:
+  The mediatek WO-ccif provides a configuration interface for WED WO
+  controller on MT7986 soc.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - mediatek,ap2woccif
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+      ap2woccif0: ap2woccif at 151a5000 {
+        compatible = "mediatek,ap2woccif", "syscon";
+        reg = <0 0x151a5000 0 0x1000>;
+        interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-dlm.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-dlm.yaml
new file mode 100644
index 000000000000..529343c57e4b
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wo-dlm.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt7986-wo-dlm.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek WED WO hw rx ring interface for MT7986
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo at kernel.org>
+  - Felix Fietkau <nbd at nbd.name>
+
+description:
+  The mediatek WO-dlm provides a configuration interface for WED WO
+  rx ring on MT7986 soc.
+
+properties:
+  compatible:
+    const: mediatek,wocpu_dlm
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - resets
+  - reset-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/ti-syscon.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      ethsys: syscon at 15000000 {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "mediatek,mt7986-ethsys", "syscon";
+        reg = <0 0x15000000 0 0x1000>;
+
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+        ethsysrst: reset-controller {
+          compatible = "ti,syscon-reset";
+          #reset-cells = <1>;
+          ti,reset-bits = <0x34 4 0x34 4 0x34 4 (ASSERT_SET | DEASSERT_CLEAR | STATUS_SET)>;
+        };
+      };
+
+      wocpu0_dlm: wocpu_dlm at 151e8000 {
+        compatible = "mediatek,wocpu_dlm";
+        reg = <0 0x151e8000 0 0x2000>;
+        resets = <&ethsysrst 0>;
+        reset-names = "wocpu_rst";
+      };
+    };
-- 
2.37.3




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