actions,owl-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/actions,owl-emac.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Actions Semi Owl SoCs Ethernet MAC Controller
    8 
    9 maintainers:
   10   - Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
   11 
   12 description: |
   13   This Ethernet MAC is used on the Owl family of SoCs from Actions Semi.
   14   It provides the RMII and SMII interfaces and is compliant with the
   15   IEEE 802.3 CSMA/CD standard, supporting both half-duplex and full-duplex
   16   operation modes at 10/100 Mb/s data transfer rates.
   17 
   18 allOf:
   19   - $ref: "ethernet-controller.yaml#"
   20 
   21 properties:
   22   compatible:
   23     oneOf:
   24       - const: actions,owl-emac
   25       - items:
   26           - enum:
   27               - actions,s500-emac
   28           - const: actions,owl-emac
   29 
   30   reg:
   31     maxItems: 1
   32 
   33   interrupts:
   34     maxItems: 1
   35 
   36   clocks:
   37     minItems: 2
   38     maxItems: 2
   39 
   40   clock-names:
   41     additionalItems: false
   42     items:
   43       - const: eth
   44       - const: rmii
   45 
   46   resets:
   47     maxItems: 1
   48 
   49   actions,ethcfg:
   50     $ref: /schemas/types.yaml#/definitions/phandle
   51     description:
   52       Phandle to the device containing custom config.
   53 
   54   mdio:
   55     $ref: mdio.yaml#
   56     unevaluatedProperties: false
   57 
   58 required:
   59   - compatible
   60   - reg
   61   - interrupts
   62   - clocks
   63   - clock-names
   64   - resets
   65   - phy-mode
   66   - phy-handle
   67 
   68 unevaluatedProperties: false
   69 
   70 examples:
   71   - |
   72     #include <dt-bindings/clock/actions,s500-cmu.h>
   73     #include <dt-bindings/interrupt-controller/arm-gic.h>
   74     #include <dt-bindings/reset/actions,s500-reset.h>
   75 
   76     ethernet@b0310000 {
   77         compatible = "actions,s500-emac", "actions,owl-emac";
   78         reg = <0xb0310000 0x10000>;
   79         interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
   80         clocks = <&cmu 59 /*CLK_ETHERNET*/>, <&cmu CLK_RMII_REF>;
   81         clock-names = "eth", "rmii";
   82         resets = <&cmu RESET_ETHERNET>;
   83         phy-mode = "rmii";
   84         phy-handle = <&eth_phy>;
   85 
   86         mdio {
   87             #address-cells = <1>;
   88             #size-cells = <0>;
   89 
   90             eth_phy: ethernet-phy@3 {
   91                 reg = <0x3>;
   92                 interrupt-parent = <&sirq>;
   93                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
   94             };
   95         };
   96     };

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