netdev - [RFC PATCH net-next 08/12] dt-bindings: net: lan966x: Add lan966x-switch bindings

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Message-ID: <20210920095218.1108151-9-horatiu.vultur@microchip.com>
Date:   Mon, 20 Sep 2021 11:52:14 +0200
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <robh+dt@...nel.org>,
        <andrew@...n.ch>, <linux@...linux.org.uk>, <f.fainelli@...il.com>,
        <alexandre.belloni@...tlin.com>, <vladimir.oltean@....com>,
        <UNGLinuxDriver@...rochip.com>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <linux-pm@...r.kernel.org>
CC:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [RFC PATCH net-next 08/12] dt-bindings: net: lan966x: Add lan966x-switch bindings

Document the lan966x switch device driver bindings

Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 .../net/microchip,lan966x-switch.yaml         | 114 ++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml

diff --git a/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml b/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
new file mode 100644
index 000000000000..53d72a65c168
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
@@ -0,0 +1,114 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/microchip,lan966x-switch.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Lan966x Ethernet switch controller
+
+maintainers:
+  - Horatiu Vultur <horatiu.vultur@...rochip.com>
+  - UNGLinuxDriver@...rochip.com
+
+description: |
+  The Lan966x Enterprise Ethernet switch family provides a rich set of
+  Enterprise switching features such as advanced TCAM-based VLAN and
+  QoS processing enabling delivery of differentiated services, and
+  security through TCAM-based frame processing using versatile content
+  aware processor (VCAP).
+
+properties:
+  $nodename:
+    pattern: "^switch@[0-9a-f]+$"
+
+  compatible:
+    const: microchip,lan966x-switch
+
+  reg:
+    items:
+      - description: cpu target
+      - description: devices target
+      - description: general control block target
+
+  reg-names:
+    items:
+      - const: cpu
+      - const: devices
+      - const: gcb
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: register based extraction
+
+  interrupt-names:
+    minItems: 1
+    items:
+      - const: xtr
+
+  mac-address: true
+
+  ethernet-ports:
+    type: object
+    patternProperties:
+      "^port@[0-9a-f]+$":
+        type: object
+
+        properties:
+          '#address-cells':
+            const: 1
+          '#size-cells':
+            const: 0
+
+          reg:
+            description: Switch port number
+
+          phy-mode:
+            description:
+              This specifies the interface used by the Ethernet SerDes towards
+              the PHY or SFP.
+
+          phy-handle:
+            description:
+              phandle of a Ethernet PHY.
+
+        required:
+          - reg
+          - phy-mode
+          - phy-handle
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - interrupt-names
+  - ethernet-ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    switch: switch@...000000 {
+      compatible = "microchip,lan966x-switch";
+      reg =  <0 0x401000>,
+             <0x10004000 0x7fc000>,
+             <0x11010000 0xaf0000>;
+      reg-names = "cpu", "devices", "gcb";
+      interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+      interrupt-names = "xtr";
+      ethernet-ports {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        port0: port@0 {
+          reg = <0>;
+          phy-handle = <&phy0>;
+          phy-mode = "gmii";
+        };
+      };
+    };
+
+...
+#  vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft=yaml :
-- 
2.31.1