Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml

   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)
   8
   9 maintainers:
  10   - Stefan Wahren <stefan.wahren@chargebyte.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     };