mediatek,star-emac.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/net/mediatek,star-emac.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: MediaTek STAR Ethernet MAC Controller
    8 
    9 maintainers:
   10   - Bartosz Golaszewski <bgolaszewski@baylibre.com>
   11 
   12 description:
   13   This Ethernet MAC is used on the MT8* family of SoCs from MediaTek.
   14   It's compliant with 802.3 standards and supports half- and full-duplex
   15   modes with flow-control as well as CRC offloading and VLAN tags.
   16 
   17 allOf:
   18   - $ref: "ethernet-controller.yaml#"
   19 
   20 properties:
   21   compatible:
   22     enum:
   23       - mediatek,mt8516-eth
   24       - mediatek,mt8518-eth
   25       - mediatek,mt8175-eth
   26       - mediatek,mt8365-eth
   27 
   28   reg:
   29     maxItems: 1
   30 
   31   interrupts:
   32     maxItems: 1
   33 
   34   clocks:
   35     minItems: 3
   36     maxItems: 3
   37 
   38   clock-names:
   39     additionalItems: false
   40     items:
   41       - const: core
   42       - const: reg
   43       - const: trans
   44 
   45   mediatek,pericfg:
   46     $ref: /schemas/types.yaml#/definitions/phandle
   47     description:
   48       Phandle to the device containing the PERICFG register range. This is used
   49       to control the MII mode.
   50 
   51   mediatek,rmii-rxc:
   52     type: boolean
   53     description:
   54       If present, indicates that the RMII reference clock, which is from external
   55       PHYs, is connected to RXC pin. Otherwise, is connected to TXC pin.
   56 
   57   mediatek,rxc-inverse:
   58     type: boolean
   59     description:
   60       If present, indicates that clock on RXC pad will be inversed.
   61 
   62   mediatek,txc-inverse:
   63     type: boolean
   64     description:
   65       If present, indicates that clock on TXC pad will be inversed.
   66 
   67   mdio:
   68     $ref: mdio.yaml#
   69     unevaluatedProperties: false
   70 
   71 required:
   72   - compatible
   73   - reg
   74   - interrupts
   75   - clocks
   76   - clock-names
   77   - mediatek,pericfg
   78   - phy-handle
   79 
   80 unevaluatedProperties: false
   81 
   82 examples:
   83   - |
   84     #include <dt-bindings/interrupt-controller/arm-gic.h>
   85     #include <dt-bindings/clock/mt8516-clk.h>
   86 
   87     ethernet: ethernet@11180000 {
   88         compatible = "mediatek,mt8516-eth";
   89         reg = <0x11180000 0x1000>;
   90         mediatek,pericfg = <&pericfg>;
   91         interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>;
   92         clocks = <&topckgen CLK_TOP_RG_ETH>,
   93                  <&topckgen CLK_TOP_66M_ETH>,
   94                  <&topckgen CLK_TOP_133M_ETH>;
   95         clock-names = "core", "reg", "trans";
   96         phy-handle = <&eth_phy>;
   97         phy-mode = "rmii";
   98 
   99         mdio {
  100             #address-cells = <1>;
  101             #size-cells = <0>;
  102 
  103             eth_phy: ethernet-phy@0 {
  104                 reg = <0>;
  105             };
  106         };
  107     };

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