sunplus,sp7021-emac.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 # Copyright (C) Sunplus Co., Ltd. 2021
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/net/sunplus,sp7021-emac.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: Sunplus SP7021 Dual Ethernet MAC Device Tree Bindings
    9 
   10 maintainers:
   11   - Wells Lu <wellslutw@gmail.com>
   12 
   13 description: |
   14   Sunplus SP7021 dual 10M/100M Ethernet MAC controller.
   15   Device node of the controller has following properties.
   16 
   17 properties:
   18   compatible:
   19     const: sunplus,sp7021-emac
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   clocks:
   28     maxItems: 1
   29 
   30   resets:
   31     maxItems: 1
   32 
   33   ethernet-ports:
   34     type: object
   35     description: Ethernet ports to PHY
   36 
   37     properties:
   38       "#address-cells":
   39         const: 1
   40 
   41       "#size-cells":
   42         const: 0
   43 
   44     patternProperties:
   45       "^port@[0-1]$":
   46         type: object
   47         description: Port to PHY
   48 
   49         properties:
   50           reg:
   51             minimum: 0
   52             maximum: 1
   53 
   54           phy-handle:
   55             maxItems: 1
   56 
   57           phy-mode:
   58             maxItems: 1
   59 
   60           nvmem-cells:
   61             items:
   62               - description: nvmem cell address of MAC address
   63 
   64           nvmem-cell-names:
   65             description: names corresponding to the nvmem cells
   66             items:
   67               - const: mac-address
   68 
   69         required:
   70           - reg
   71           - phy-handle
   72           - phy-mode
   73           - nvmem-cells
   74           - nvmem-cell-names
   75 
   76   mdio:
   77     $ref: mdio.yaml#
   78     unevaluatedProperties: false
   79 
   80 additionalProperties: false
   81 
   82 required:
   83   - compatible
   84   - reg
   85   - interrupts
   86   - clocks
   87   - resets
   88   - pinctrl-0
   89   - pinctrl-names
   90   - ethernet-ports
   91   - mdio
   92 
   93 examples:
   94   - |
   95     #include <dt-bindings/interrupt-controller/irq.h>
   96 
   97     ethernet@9c108000 {
   98         compatible = "sunplus,sp7021-emac";
   99         reg = <0x9c108000 0x400>;
  100         interrupt-parent = <&intc>;
  101         interrupts = <66 IRQ_TYPE_LEVEL_HIGH>;
  102         clocks = <&clkc 0xa7>;
  103         resets = <&rstc 0x97>;
  104         pinctrl-0 = <&emac_demo_board_v3_pins>;
  105         pinctrl-names = "default";
  106 
  107         ethernet-ports {
  108             #address-cells = <1>;
  109             #size-cells = <0>;
  110 
  111             port@0 {
  112                 reg = <0>;
  113                 phy-handle = <&eth_phy0>;
  114                 phy-mode = "rmii";
  115                 nvmem-cells = <&mac_addr0>;
  116                 nvmem-cell-names = "mac-address";
  117             };
  118 
  119             port@1 {
  120                 reg = <1>;
  121                 phy-handle = <&eth_phy1>;
  122                 phy-mode = "rmii";
  123                 nvmem-cells = <&mac_addr1>;
  124                 nvmem-cell-names = "mac-address";
  125             };
  126         };
  127 
  128         mdio {
  129             #address-cells = <1>;
  130             #size-cells = <0>;
  131 
  132             eth_phy0: ethernet-phy@0 {
  133                 reg = <0>;
  134             };
  135 
  136             eth_phy1: ethernet-phy@1 {
  137                 reg = <1>;
  138             };
  139         };
  140     };
  141 ...

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