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rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 priorityscore=1501 malwarescore=0 phishscore=0 bulkscore=0 mlxlogscore=764 clxscore=1015 mlxscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.21.0-2504070000 definitions=main-2505120013 Document device tree bindings for Silicon Labs CPC over a SPI bus. This device requires both a chip select and an interrupt line to be able to work. Signed-off-by: Damien Ri=C3=A9gel --- .../bindings/net/silabs,cpc-spi.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/silabs,cpc-spi.ya= ml diff --git a/Documentation/devicetree/bindings/net/silabs,cpc-spi.yaml b/Do= cumentation/devicetree/bindings/net/silabs,cpc-spi.yaml new file mode 100644 index 00000000000..82d3cd47daa --- /dev/null +++ b/Documentation/devicetree/bindings/net/silabs,cpc-spi.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2024 Silicon Labs Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/silabs,cpc-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI driver for CPC + +maintainers: + - Damien Ri=C3=A9gel + +description: | + This binding is for the implementation of CPC protocol over SPI. The pro= tocol + consists of a chain of header+payload frames. The interrupt is used by t= he + device to signal it has a frame to transmit, but also between headers and + payloads to signal that it is ready to receive payload. + +properties: + compatible: + enum: + - silabs,cpc-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupt + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + spi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + cpcspi@0 { + compatible =3D "silabs,cpc-spi"; + reg =3D <0>; + spi-max-frequency =3D <1000000>; + interrupt-parent =3D <&gpio>; + interrupts =3D <23 IRQ_TYPE_EDGE_FALLING>; + }; + }; --=20 2.49.0