From: Frank Li Date: Wed, 10 Jun 2026 15:05:30 +0000 (-0400) Subject: dt-bindings: net: dsa: Convert lan9303.txt to yaml format X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b693b51e0829b96a5c43f45c3fba3d11f6f09d2f;p=thirdparty%2Flinux.git dt-bindings: net: dsa: Convert lan9303.txt to yaml format Convert lan9303.txt to yaml format to fix below CHECK_DTBS warnings: arch/arm/boot/dts/nxp/imx/imx53-kp-hsc.dtb: /soc/bus@50000000/i2c@53fec000/switch@a: failed to match any schema with compatible: ['smsc,lan9303-i2c'] Additional changes: - rename switch-phy to switch in example. Reviewed-by: Rob Herring (Arm) Signed-off-by: Frank Li Link: https://patch.msgid.link/20260610150533.515914-1-Frank.Li@oss.nxp.com Signed-off-by: Jakub Kicinski --- diff --git a/Documentation/devicetree/bindings/net/dsa/lan9303.txt b/Documentation/devicetree/bindings/net/dsa/lan9303.txt deleted file mode 100644 index 0337c2ccfa9a..000000000000 --- a/Documentation/devicetree/bindings/net/dsa/lan9303.txt +++ /dev/null @@ -1,100 +0,0 @@ -SMSC/MicroChip LAN9303 three port ethernet switch -------------------------------------------------- - -Required properties: - -- compatible: should be - - "smsc,lan9303-i2c" for I2C managed mode - or - - "smsc,lan9303-mdio" for mdio managed mode - -Optional properties: - -- reset-gpios: GPIO to be used to reset the whole device -- reset-duration: reset duration in milliseconds, defaults to 200 ms - -Subnodes: - -The integrated switch subnode should be specified according to the binding -described in dsa/dsa.yaml. The CPU port of this switch is always port 0. - -Note: always use 'reg = <0/1/2>;' for the three DSA ports, even if the device is -configured to use 1/2/3 instead. This hardware configuration will be -auto-detected and mapped accordingly. - -Example: - -I2C managed mode: - - master: masterdevice@X { - - fixed-link { /* RMII fixed link to LAN9303 */ - speed = <100>; - full-duplex; - }; - }; - - switch: switch@a { - compatible = "smsc,lan9303-i2c"; - reg = <0xa>; - reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; - reset-duration = <200>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { /* RMII fixed link to master */ - reg = <0>; - ethernet = <&master>; - }; - - port@1 { /* external port 1 */ - reg = <1>; - label = "lan1"; - }; - - port@2 { /* external port 2 */ - reg = <2>; - label = "lan2"; - }; - }; - }; - -MDIO managed mode: - - master: masterdevice@X { - phy-handle = <&switch>; - - mdio { - #address-cells = <1>; - #size-cells = <0>; - - switch: switch-phy@0 { - compatible = "smsc,lan9303-mdio"; - reg = <0>; - reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; - reset-duration = <100>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - ethernet = <&master>; - }; - - port@1 { /* external port 1 */ - reg = <1>; - label = "lan1"; - }; - - port@2 { /* external port 2 */ - reg = <2>; - label = "lan2"; - }; - }; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml b/Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml new file mode 100644 index 000000000000..42f8473538a0 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dsa/smsc,lan9303.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SMSC/MicroChip LAN9303 three port ethernet switch + +maintainers: + - Frank Li + +description: + The LAN9303 is a three port ethernet switch with integrated PHYs for the + two external ports. The third port is an RMII/MII interface to a host + processor. The device can be managed via I2C or MDIO. + + Note - always use 'reg = <0/1/2>;' for the three DSA ports, even if the + device is configured to use 1/2/3 instead. This hardware configuration + will be auto-detected and mapped accordingly. + +properties: + compatible: + enum: + - smsc,lan9303-i2c + - smsc,lan9303-mdio + + reg: + maxItems: 1 + + reset-gpios: + description: + GPIO to be used to reset the whole device + maxItems: 1 + + reset-duration: + description: + Reset duration in milliseconds + default: 200 + $ref: /schemas/types.yaml#/definitions/uint32 + +required: + - compatible + - reg + +unevaluatedProperties: false + +allOf: + - $ref: dsa.yaml# + +examples: + - | + #include + + /* I2C managed mode */ + i2c { + #address-cells = <1>; + #size-cells = <0>; + + switch@a { + compatible = "smsc,lan9303-i2c"; + reg = <0xa>; + reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; + reset-duration = <200>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + label = "cpu"; + ethernet = <&master>; + }; + + port@1 { + reg = <1>; + label = "lan1"; + }; + + port@2 { + reg = <2>; + label = "lan2"; + }; + }; + }; + }; + + - | + #include + + /* MDIO managed mode */ + mdio { + #address-cells = <1>; + #size-cells = <0>; + + switch@0 { + compatible = "smsc,lan9303-mdio"; + reg = <0>; + reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; + reset-duration = <100>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + label = "cpu"; + ethernet = <&master>; + }; + + port@1 { + reg = <1>; + label = "lan1"; + }; + + port@2 { + reg = <2>; + label = "lan2"; + }; + }; + }; + }; diff --git a/Documentation/networking/dsa/lan9303.rst b/Documentation/networking/dsa/lan9303.rst index ab81b4e0139e..776572be265e 100644 --- a/Documentation/networking/dsa/lan9303.rst +++ b/Documentation/networking/dsa/lan9303.rst @@ -12,7 +12,7 @@ Driver details The driver is implemented as a DSA driver, see ``Documentation/networking/dsa/dsa.rst``. -See ``Documentation/devicetree/bindings/net/dsa/lan9303.txt`` for device tree +See ``Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml`` for device tree binding. The LAN9303 can be managed both via MDIO and I2C, both supported by this driver.