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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/vertexcom-mse102x.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: The Vertexcom MSE102x (SPI) Device Tree Bindings
    8 
    9 maintainers:
   10   - Stefan Wahren <stefan.wahren@in-tech.com>
   11 
   12 description:
   13   Vertexcom's MSE102x are a family of HomePlug GreenPHY chips.
   14   They can be connected either via RGMII, RMII or SPI to a host CPU.
   15 
   16   In order to use a MSE102x chip as SPI device, it must be defined as
   17   a child of an SPI master device in the device tree.
   18 
   19   More information can be found at
   20     http://www.vertexcom.com/doc/MSE1022%20Product%20Brief.pdf
   21 
   22 allOf:
   23   - $ref: ethernet-controller.yaml#
   24 
   25 properties:
   26   compatible:
   27     enum:
   28       - vertexcom,mse1021
   29       - vertexcom,mse1022
   30 
   31   reg:
   32     maxItems: 1
   33 
   34   interrupts:
   35     maxItems: 1
   36 
   37   spi-cpha: true
   38 
   39   spi-cpol: true
   40 
   41   spi-max-frequency:
   42     minimum: 6000000
   43     maximum: 7142857
   44 
   45 required:
   46   - compatible
   47   - reg
   48   - interrupts
   49   - spi-cpha
   50   - spi-cpol
   51   - spi-max-frequency
   52 
   53 additionalProperties: false
   54 
   55 examples:
   56   - |
   57     #include <dt-bindings/interrupt-controller/irq.h>
   58     spi0 {
   59         #address-cells = <1>;
   60         #size-cells = <0>;
   61 
   62         ethernet@0 {
   63             compatible = "vertexcom,mse1021";
   64             reg = <0>;
   65             interrupt-parent = <&gpio>;
   66             interrupts = <23 IRQ_TYPE_EDGE_RISING>;
   67             spi-cpha;
   68             spi-cpol;
   69             spi-max-frequency = <7142857>;
   70         };
   71     };
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