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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) <robh@kernel.org> Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://patch.msgid.link/20260610150533.515914-1-Frank.Li@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Frank Li
Jakub Kicinski
parent
43746895a5
commit
b693b51e08
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SMSC/MicroChip LAN9303 three port ethernet switch
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-------------------------------------------------
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Required properties:
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- compatible: should be
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- "smsc,lan9303-i2c" for I2C managed mode
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or
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- "smsc,lan9303-mdio" for mdio managed mode
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Optional properties:
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- reset-gpios: GPIO to be used to reset the whole device
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- reset-duration: reset duration in milliseconds, defaults to 200 ms
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Subnodes:
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The integrated switch subnode should be specified according to the binding
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described in dsa/dsa.yaml. The CPU port of this switch is always port 0.
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Note: always use 'reg = <0/1/2>;' for the three DSA ports, even if the device is
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configured to use 1/2/3 instead. This hardware configuration will be
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auto-detected and mapped accordingly.
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Example:
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I2C managed mode:
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master: masterdevice@X {
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fixed-link { /* RMII fixed link to LAN9303 */
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speed = <100>;
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full-duplex;
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};
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};
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switch: switch@a {
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compatible = "smsc,lan9303-i2c";
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reg = <0xa>;
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reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
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reset-duration = <200>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 { /* RMII fixed link to master */
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reg = <0>;
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ethernet = <&master>;
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};
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port@1 { /* external port 1 */
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reg = <1>;
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label = "lan1";
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};
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port@2 { /* external port 2 */
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reg = <2>;
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label = "lan2";
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};
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};
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};
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MDIO managed mode:
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master: masterdevice@X {
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phy-handle = <&switch>;
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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switch: switch-phy@0 {
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compatible = "smsc,lan9303-mdio";
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reg = <0>;
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reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
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reset-duration = <100>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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ethernet = <&master>;
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};
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port@1 { /* external port 1 */
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reg = <1>;
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label = "lan1";
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};
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port@2 { /* external port 2 */
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reg = <2>;
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label = "lan2";
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};
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};
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};
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};
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};
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123
Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml
Normal file
123
Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml
Normal file
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@ -0,0 +1,123 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/dsa/smsc,lan9303.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SMSC/MicroChip LAN9303 three port ethernet switch
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maintainers:
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- Frank Li <Frank.Li@nxp.com>
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description:
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The LAN9303 is a three port ethernet switch with integrated PHYs for the
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two external ports. The third port is an RMII/MII interface to a host
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processor. The device can be managed via I2C or MDIO.
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Note - always use 'reg = <0/1/2>;' for the three DSA ports, even if the
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device is configured to use 1/2/3 instead. This hardware configuration
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will be auto-detected and mapped accordingly.
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properties:
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compatible:
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enum:
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- smsc,lan9303-i2c
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- smsc,lan9303-mdio
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reg:
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maxItems: 1
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reset-gpios:
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description:
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GPIO to be used to reset the whole device
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maxItems: 1
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reset-duration:
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description:
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Reset duration in milliseconds
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default: 200
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$ref: /schemas/types.yaml#/definitions/uint32
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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allOf:
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- $ref: dsa.yaml#
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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/* I2C managed mode */
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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switch@a {
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compatible = "smsc,lan9303-i2c";
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reg = <0xa>;
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reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
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reset-duration = <200>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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label = "cpu";
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ethernet = <&master>;
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};
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port@1 {
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reg = <1>;
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label = "lan1";
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};
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port@2 {
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reg = <2>;
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label = "lan2";
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};
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};
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};
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};
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- |
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#include <dt-bindings/gpio/gpio.h>
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/* MDIO managed mode */
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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switch@0 {
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compatible = "smsc,lan9303-mdio";
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reg = <0>;
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reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
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reset-duration = <100>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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label = "cpu";
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ethernet = <&master>;
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};
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port@1 {
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reg = <1>;
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label = "lan1";
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};
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port@2 {
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reg = <2>;
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label = "lan2";
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};
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};
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};
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};
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@ -12,7 +12,7 @@ Driver details
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The driver is implemented as a DSA driver, see ``Documentation/networking/dsa/dsa.rst``.
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See ``Documentation/devicetree/bindings/net/dsa/lan9303.txt`` for device tree
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See ``Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml`` for device tree
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binding.
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The LAN9303 can be managed both via MDIO and I2C, both supported by this driver.
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