[PATCH lora-next 2/4] dt-bindings: lora: sx125x: add basic documentation
flat view
STALE2840d
From: Ben Whitten <hidden>
Date: 2019-01-08 08:42:24
Also in:
lkml, netdev
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- .../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@suse.de> + - Ben Whitten <ben.whitten@gmail.com> + +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>; + };
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2.17.1