The sx125x family are IQ radio transceivers from Semtech configured over SPI, they are typically connected to an sx130x series concentrator however may be connected to a host directly. Required properties include the radio number of the host or concentrator bus. Signed-off-by: Ben Whitten <ben.whitten@xxxxxxxxx> --- .../bindings/lora/semtech,sx125x.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/lora/semtech,sx125x.yaml diff --git a/Documentation/devicetree/bindings/lora/semtech,sx125x.yaml b/Documentation/devicetree/bindings/lora/semtech,sx125x.yaml new file mode 100644 index 000000000000..5eadec860b70 --- /dev/null +++ b/Documentation/devicetree/bindings/lora/semtech,sx125x.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/lora/semtech,sx125x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Semtech IQ modulator/de-modulator transeiver + +maintainers: + - Andreas Färber <afaerber@xxxxxxx> + - Ben Whitten <ben.whitten@xxxxxxxxx> + +description: | + The sx125x family are highly integrated RF front-end to digital I and Q + modulator/demodulator Multi-PHY mode transceiver capable of supporting + multiple constant and non-constant envelope modulation schemes. + +properties: + compatible: + items: + - enum: + - semtech,sx1255 + - semtech,sx1257 + - semtech,sx1258 + + reg: + maxItems: 1 + description: The chip select on the SPI bus or radio number in concentrator. + + spi-max-frequency: + maximum: 10000000 + default: 8000000 + description: The frequency of the SPI communication to the radio, + in Hz. Maximum SPI frequency is 10MHz. + +required: + - compatible + - reg + +examples: + - | + radio0: lora@0 { + compatible = "semtech,sx1257"; + reg = <0>; + }; -- 2.17.1
