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-rw-r--r-- | Documentation/devicetree/bindings/w1/w1-gpio.yaml | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/w1/w1-gpio.yaml b/Documentation/devicetree/bindings/w1/w1-gpio.yaml new file mode 100644 index 000000000..b02b02237 --- /dev/null +++ b/Documentation/devicetree/bindings/w1/w1-gpio.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/w1/w1-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Bitbanged GPIO 1-Wire Bus + +maintainers: + - Daniel Mack <zonque@gmail.com> + +properties: + compatible: + const: w1-gpio + + gpios: + minItems: 1 + items: + - description: Data I/O pin + - description: Enable pin for an external pull-up resistor + + linux,open-drain: + type: boolean + description: > + If specified, the data pin is considered in open-drain mode. + +required: + - compatible + - gpios + +additionalProperties: + type: object + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + onewire { + compatible = "w1-gpio"; + gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + }; + +... |