linux-kernel - [PATCH v3 2/8] dt-bindings: net: add schema for Microchip/SMSC LAN95xx USB Ethernet controllers

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Message-Id: <20220215080937.2263111-2-o.rempel@pengutronix.de>
Date:   Tue, 15 Feb 2022 09:09:31 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Benoît Cousson <bcousson@...libre.com>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Ray Jui <rjui@...adcom.com>, Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Scott Branden <sbranden@...adcom.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Tony Lindgren <tony@...mide.com>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: [PATCH v3 2/8] dt-bindings: net: add schema for Microchip/SMSC LAN95xx USB Ethernet controllers

Create initial schema for Microchip/SMSC LAN95xx USB Ethernet controllers and
import some of currently supported USB IDs form drivers/net/usb/smsc95xx.c

This devices are already used in some of DTs. So, this schema makes it official.
NOTE: there was no previously documented txt based DT binding for this
controllers.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../bindings/net/microchip,lan95xx.yaml       | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/microchip,lan95xx.yaml

diff --git a/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml b/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml
new file mode 100644
index 000000000000..8521c65366b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/microchip,lan95xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: The device tree bindings for the USB Ethernet controllers
+
+maintainers:
+  - Oleksij Rempel <o.rempel@...gutronix.de>
+
+description: |
+  Device tree properties for hard wired SMSC95xx compatible USB Ethernet
+  controller.
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - usb424,9500   # SMSC9500 USB Ethernet Device
+          - usb424,9505   # SMSC9505 USB Ethernet Device
+          - usb424,9530   # SMSC LAN9530 USB Ethernet Device
+          - usb424,9730   # SMSC LAN9730 USB Ethernet Device
+          - usb424,9900   # SMSC9500 USB Ethernet Device (SAL10)
+          - usb424,9901   # SMSC9505 USB Ethernet Device (SAL10)
+          - usb424,9902   # SMSC9500A USB Ethernet Device (SAL10)
+          - usb424,9903   # SMSC9505A USB Ethernet Device (SAL10)
+          - usb424,9904   # SMSC9512/9514 USB Hub & Ethernet Device (SAL10)
+          - usb424,9905   # SMSC9500A USB Ethernet Device (HAL)
+          - usb424,9906   # SMSC9505A USB Ethernet Device (HAL)
+          - usb424,9907   # SMSC9500 USB Ethernet Device (Alternate ID)
+          - usb424,9908   # SMSC9500A USB Ethernet Device (Alternate ID)
+          - usb424,9909   # SMSC9512/9514 USB Hub & Ethernet Devic.  ID)
+          - usb424,9e00   # SMSC9500A USB Ethernet Device
+          - usb424,9e01   # SMSC9505A USB Ethernet Device
+          - usb424,9e08   # SMSC LAN89530 USB Ethernet Device
+          - usb424,ec00   # SMSC9512/9514 USB Hub & Ethernet Device
+
+  reg: true
+  local-mac-address: true
+  mac-address: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    usb {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet@1 {
+            compatible = "usb424,ec00";
+            reg = <1>;
+            local-mac-address = [00 00 00 00 00 00];
+        };
+    };
+  - |
+    usb {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        usb1@1 {
+            compatible = "usb424,9514";
+            reg = <1>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            ethernet@1 {
+               compatible = "usb424,ec00";
+               reg = <1>;
+            };
+        };
+    };
-- 
2.30.2