linux-kernel - [PATCH net-next 1/6] dt-bindings: net: Brcm ASP 2.0 Ethernet controller

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Message-Id: <1681863018-28006-2-git-send-email-justinpopo6@gmail.com>
Date:   Tue, 18 Apr 2023 17:10:13 -0700
From:   Justin Chen <justinpopo6@...il.com>
To:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
        bcm-kernel-feedback-list@...adcom.com
Cc:     justin.chen@...adcom.com, f.fainelli@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, opendmb@...il.com,
        andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        richardcochran@...il.com, sumit.semwal@...aro.org,
        christian.koenig@....com, Justin Chen <justinpopo6@...il.com>
Subject: [PATCH net-next 1/6] dt-bindings: net: Brcm ASP 2.0 Ethernet controller

From: Florian Fainelli <f.fainelli@...il.com>

Add a binding document for the Broadcom ASP 2.0 Ethernet
controller.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Justin Chen <justinpopo6@...il.com>
---
 .../devicetree/bindings/net/brcm,asp-v2.0.yaml     | 146 +++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml

diff --git a/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml b/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
new file mode 100644
index 000000000000..3817d722244f
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
@@ -0,0 +1,146 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/brcm,asp-v2.0.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Broadcom ASP 2.0 Ethernet controller
+
+maintainers:
+  - Justin Chen <justinpopo6@...il.com>
+  - Florian Fainelli <f.fainelli@...il.com>
+
+description: Broadcom Ethernet controller first introduced with 72165
+
+properties:
+  '#address-cells':
+    const: 1
+  '#size-cells':
+    const: 1
+
+  compatible:
+    enum:
+      - brcm,bcm72165-asp-v2.0
+      - brcm,asp-v2.0
+      - brcm,asp-v2.1
+
+  reg:
+    maxItems: 1
+    description: ASP registers
+
+  ranges: true
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: RX/TX interrupt
+      - description: Port 0 Wake-on-LAN
+      - description: Port 1 Wake-on-LAN
+
+  clocks:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: Phandle to clock controller
+
+  clock-names:
+    const: sw_asp
+
+  ethernet-ports:
+    type: object
+    properties:
+      '#address-cells':
+        const: 1
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      "^port@[0-9]+$":
+        type: object
+
+        $ref: ethernet-controller.yaml#
+
+        properties:
+          reg:
+            maxItems: 1
+            description: Port number
+
+          channel:
+            maxItems: 1
+            description: ASP channel number
+
+        required:
+          - reg
+          - channel
+
+patternProperties:
+  "^mdio@[0-9a-f]+$":
+    type: object
+    $ref: "brcm,unimac-mdio.yaml"
+
+    description:
+      ASP internal UniMAC MDIO bus
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    asp@...0000 {
+        compatible = "brcm,asp-v2.0";
+        reg = <0x9c00000 0x1fff14>;
+        interrupts = <0x0 0x33 0x4>;
+        ranges;
+        clocks = <&scmi 14>;
+        clock-names = "sw_asp";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        mdio@...4 {
+            compatible = "brcm,asp-v2.0-mdio";
+            reg = <0xc614 0x8>;
+            reg-names = "mdio";
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            phy0: ethernet-phy@1 {
+                reg = <1>;
+            };
+       };
+
+        mdio@...4 {
+            compatible = "brcm,asp-v2.0-mdio";
+            reg = <0xce14 0x8>;
+            reg-names = "mdio";
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            phy1: ethernet-phy@1 {
+                reg = <1>;
+            };
+        };
+
+        ethernet-ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                channel = <8>;
+                phy-mode = "rgmii";
+                phy-handle = <&phy0>;
+            };
+
+            port@1 {
+                reg = <1>;
+                channel = <9>;
+                phy-mode = "rgmii";
+                phy-handle = <&phy1>;
+            };
+        };
+    };
-- 
2.7.4