This adds a dedicated devicetree binding for the Maxim DS2482/DS2484 I2C to 1-W bridges, which can be extended later for further features (e.g. sleep mode control GPIO). Since one wire is a bus, child nodes needs to be allowed here. Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../devicetree/bindings/w1/maxim,ds2482.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/w1/maxim,ds2482.yaml diff --git a/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml new file mode 100644 index 000000000000..422becc6e1fa --- /dev/null +++ b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/w1/maxim,ds2482.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim One wire bus master controller + +maintainers: + - Stefan Wahren <stefan.wahren@xxxxxxxxxxxxxx> + +description: | + I2C to 1-wire bridges + + https://www.analog.com/media/en/technical-documentation/data-sheets/ds2482-100.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/DS2482-800.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/DS2484.pdf + +properties: + compatible: + enum: + - maxim,ds2482 + - maxim,ds2484 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: + type: object + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + onewire@18 { + compatible = "maxim,ds2484"; + reg = <0x18>; + }; + }; -- 2.17.1
