xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/dsa/renesas,rzn1-a5psw.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas RZ/N1 Advanced 5 ports ethernet switch

maintainers:
  - Clément Léger <clement.leger@bootlin.com>

description: |
  The advanced 5 ports switch is present on the Renesas RZ/N1 SoC family and
  handles 4 ports + 1 CPU management port.

allOf:
  - $ref: dsa.yaml#/$defs/ethernet-ports

properties:
  compatible:
    items:
      - enum:
          - renesas,r9a06g032-a5psw
      - const: renesas,rzn1-a5psw

  reg:
    maxItems: 1

  interrupts:
    items:
      - description: Device Level Ring (DLR) interrupt
      - description: Switch interrupt
      - description: Parallel Redundancy Protocol (PRP) interrupt
      - description: Integrated HUB module interrupt
      - description: Receive Pattern Match interrupt

  interrupt-names:
    items:
      - const: dlr
      - const: switch
      - const: prp
      - const: hub
      - const: ptrn

  power-domains:
    maxItems: 1

  mdio:
    $ref: /schemas/net/mdio.yaml#
    unevaluatedProperties: false

  clocks:
    items:
      - description: AHB clock used for the switch register interface
      - description: Switch system clock

  clock-names:
    items:
      - const: hclk
      - const: clk

  ethernet-ports:
    type: object
    properties:
      '#address-cells':
        const: 1
      '#size-cells':
        const: 0

    patternProperties:
      "^(ethernet-)?port@[0-4]$":
        type: object
        description: Ethernet switch ports

        properties:
          pcs-handle:
            maxItems: 1
            description:
              phandle pointing to a PCS sub-node compatible with
              renesas,rzn1-miic.yaml#

unevaluatedProperties: false

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - power-domains

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/clock/r9a06g032-sysctrl.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    switch@44050000 {
        compatible = "renesas,r9a06g032-a5psw", "renesas,rzn1-a5psw";
        reg = <0x44050000 0x10000>;
        clocks = <&sysctrl R9A06G032_HCLK_SWITCH>, <&sysctrl R9A06G032_CLK_SWITCH>;
        clock-names = "hclk", "clk";
        power-domains = <&sysctrl>;
        interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-names = "dlr", "switch", "prp", "hub", "ptrn";

        dsa,member = <0 0>;

        ethernet-ports {
            #address-cells = <1>;
            #size-cells = <0>;

            port@0 {
                reg = <0>;
                label = "lan0";
                phy-handle = <&switch0phy3>;
                pcs-handle = <&mii_conv4>;
            };

            port@1 {
                reg = <1>;
                label = "lan1";
                phy-handle = <&switch0phy1>;
                pcs-handle = <&mii_conv3>;
            };

            port@4 {
                reg = <4>;
                ethernet = <&gmac2>;
                phy-mode = "internal";

                fixed-link {
                  speed = <1000>;
                  full-duplex;
                };
            };
        };

        mdio {
            #address-cells = <1>;
            #size-cells = <0>;

            reset-gpios = <&gpio0a 2 GPIO_ACTIVE_HIGH>;
            reset-delay-us = <15>;
            clock-frequency = <2500000>;

            switch0phy1: ethernet-phy@1{
                reg = <1>;
            };

            switch0phy3: ethernet-phy@3{
                reg = <3>;
            };
        };
    };