linux-kernel - [PATCH v2 net-next 1/9] dt-bindings: net: dsa: dt bindings for microchip lan937x

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Message-ID: <20210422094257.1641396-2-prasanna.vengateshan@microchip.com>
Date:   Thu, 22 Apr 2021 15:12:49 +0530
From:   Prasanna Vengateshan <prasanna.vengateshan@...rochip.com>
To:     <andrew@...n.ch>, <netdev@...r.kernel.org>, <olteanv@...il.com>,
        <robh+dt@...nel.org>
CC:     <UNGLinuxDriver@...rochip.com>, <hkallweit1@...il.com>,
        <linux@...linux.org.uk>, <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>, <vivien.didelot@...il.com>,
        <f.fainelli@...il.com>, <devicetree@...r.kernel.org>
Subject: [PATCH v2 net-next 1/9] dt-bindings: net: dsa: dt bindings for microchip lan937x

Documentation in .yaml format and updates to the MAINTAINERS
Also 'make dt_binding_check' is passed

Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@...rochip.com>
---
 .../bindings/net/dsa/microchip,lan937x.yaml   | 142 ++++++++++++++++++
 MAINTAINERS                                   |   1 +
 2 files changed, 143 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml

diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
new file mode 100644
index 000000000000..22128a52d699
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
@@ -0,0 +1,142 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/dsa/microchip,lan937x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LAN937x Ethernet Switch Series Tree Bindings
+
+maintainers:
+  - UNGLinuxDriver@...rochip.com
+
+allOf:
+  - $ref: dsa.yaml#
+
+properties:
+  compatible:
+    enum:
+      - microchip,lan9370
+      - microchip,lan9371
+      - microchip,lan9372
+      - microchip,lan9373
+      - microchip,lan9374
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 50000000
+
+  reset-gpios:
+    description: Optional gpio specifier for a reset line
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    //Ethernet switch connected via spi to the host
+    ethernet {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      fixed-link {
+        speed = <1000>;
+        full-duplex;
+      };
+    };
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      lan9374: switch@0 {
+        compatible = "microchip,lan9374";
+        reg = <0>;
+
+        spi-max-frequency = <44000000>;
+
+        ethernet-ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+          port@0 {
+            reg = <0>;
+            label = "lan1";
+            phy-handle = <&t1phy0>;
+          };
+          port@1 {
+            reg = <1>;
+            label = "lan2";
+            phy-handle = <&t1phy1>;
+          };
+          port@2 {
+            reg = <2>;
+            label = "lan4";
+            phy-handle = <&t1phy2>;
+          };
+          port@3 {
+            reg = <3>;
+            label = "lan6";
+            phy-handle = <&t1phy3>;
+          };
+          port@4 {
+            reg = <4>;
+            phy-mode = "rgmii";
+            ethernet = <&ethernet>;
+            fixed-link {
+              speed = <1000>;
+              full-duplex;
+            };
+          };
+          port@5 {
+            reg = <5>;
+            label = "lan7";
+            fixed-link {
+              speed = <1000>;
+              full-duplex;
+            };
+          };
+          port@6 {
+            reg = <6>;
+            label = "lan5";
+            phy-handle = <&t1phy4>;
+          };
+          port@7 {
+            reg = <7>;
+            label = "lan3";
+            phy-handle = <&t1phy5>;
+          };
+        };
+
+        mdio {
+          compatible = "microchip,lan937x-mdio";
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          t1phy0: ethernet-phy@0{
+            reg = <0x0>;
+          };
+          t1phy1: ethernet-phy@1{
+            reg = <0x1>;
+          };
+          t1phy2: ethernet-phy@2{
+            reg = <0x2>;
+          };
+          t1phy3: ethernet-phy@3{
+            reg = <0x3>;
+          };
+          t1phy4: ethernet-phy@6{
+            reg = <0x6>;
+          };
+          t1phy5: ethernet-phy@7{
+            reg = <0x7>;
+          };
+        };
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index c3c8fa572580..a0fdfef8802a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11752,6 +11752,7 @@ M:	UNGLinuxDriver@...rochip.com
 L:	netdev@...r.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
+F:	Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
 F:	drivers/net/dsa/microchip/*
 F:	include/linux/platform_data/microchip-ksz.h
 F:	net/dsa/tag_ksz.c
-- 
2.27.0