Add devicetree binding for the Vertexcom MSE102x Homeplug GreenPHY chip as SPI device. Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../devicetree/bindings/net/vertexcom-mse102x.yaml | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml diff --git a/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml b/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml new file mode 100644 index 0000000..8156a9a --- /dev/null +++ b/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/net/vertexcom-mse102x.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: The Vertexcom MSE102x (SPI) Device Tree Bindings + +maintainers: + - Stefan Wahren <stefan.wahren@xxxxxxxxxxx> + +description: + Vertexcom's MSE102x are a family of HomePlug GreenPHY chips. + They can be connected either via RGMII, RMII or SPI to a host CPU. + + In order to use a MSE102x chip as SPI device, it must be defined as + a child of an SPI master device in the device tree. + + More information can be found at + http://www.vertexcom.com/doc/MSE1022%20Product%20Brief.pdf + +allOf: + - $ref: ethernet-controller.yaml# + +properties: + compatible: + enum: + - vertexcom,mse1021 + - vertexcom,mse1022 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + spi-cpha: true + + spi-cpol: true + + spi-max-frequency: + minimum: 6000000 + maximum: 7142857 + +required: + - compatible + - reg + - interrupts + - spi-cpha + - spi-cpol + - spi-max-frequency + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + ethernet@0 { + compatible = "vertexcom,mse1021"; + reg = <0>; + interrupt-parent = <&gpio>; + interrupts = <23 IRQ_TYPE_EDGE_RISING>; + spi-cpha; + spi-cpol; + spi-max-frequency = <7142857>; + }; + }; -- 2.7.4
