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    Subject[PATCH v6 net-next 01/10] dt-bindings: net: dsa: dt bindings for microchip lan937x
    Date
    Documentation in .yaml format and updates to the MAINTAINERS
    Also 'make dt_binding_check' is passed.

    Introduced rx-internal-delay-ps & tx-internal-delay-ps for RGMII
    internal delay along with min/max values. This is to address the
    Vladimir proposal from the previous revision and mdio details
    are added as suggested by Rob.

    Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com>
    ---
    .../bindings/net/dsa/microchip,lan937x.yaml | 180 ++++++++++++++++++
    MAINTAINERS | 1 +
    2 files changed, 181 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..0bc16894c8c4
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
    @@ -0,0 +1,180 @@
    +# 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@microchip.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
    +
    + mdio:
    + $ref: /schemas/net/mdio.yaml#
    + unevaluatedProperties: false
    +
    +patternProperties:
    + "^(ethernet-)?ports$":
    + patternProperties:
    + "^(ethernet-)?port@[0-7]+$":
    + allOf:
    + - if:
    + properties:
    + phy-mode:
    + contains:
    + enum:
    + - rgmii
    + - rgmii-rxid
    + - rgmii-txid
    + - rgmii-id
    + then:
    + properties:
    + rx-internal-delay-ps:
    + $ref: "#/$defs/internal-delay-ps"
    + tx-internal-delay-ps:
    + $ref: "#/$defs/internal-delay-ps"
    +
    +required:
    + - compatible
    + - reg
    +
    +$defs:
    + internal-delay-ps:
    + description: Delay is in pico seconds
    + minimum: 2170
    + maximum: 4000
    + default: 0
    +
    +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-mode = "internal";
    + phy-handle = <&t1phy0>;
    + };
    + port@1 {
    + reg = <1>;
    + label = "lan2";
    + phy-mode = "internal";
    + phy-handle = <&t1phy1>;
    + };
    + port@2 {
    + reg = <2>;
    + label = "lan4";
    + phy-mode = "internal";
    + phy-handle = <&t1phy2>;
    + };
    + port@3 {
    + reg = <3>;
    + label = "lan6";
    + phy-mode = "internal";
    + phy-handle = <&t1phy3>;
    + };
    + port@4 {
    + reg = <4>;
    + phy-mode = "rgmii";
    + ethernet = <&ethernet>;
    + fixed-link {
    + speed = <1000>;
    + full-duplex;
    + };
    + };
    + port@5 {
    + reg = <5>;
    + label = "lan7";
    + phy-mode = "rgmii";
    + fixed-link {
    + speed = <1000>;
    + full-duplex;
    + };
    + };
    + port@6 {
    + reg = <6>;
    + label = "lan5";
    + phy-mode = "internal";
    + phy-handle = <&t1phy4>;
    + };
    + port@7 {
    + reg = <7>;
    + label = "lan3";
    + phy-mode = "internal";
    + phy-handle = <&t1phy5>;
    + };
    + };
    +
    + 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 3b85f039fbf9..9dfd8169dcdf 100644
    --- a/MAINTAINERS
    +++ b/MAINTAINERS
    @@ -12312,6 +12312,7 @@ M: UNGLinuxDriver@microchip.com
    L: netdev@vger.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
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