linux/Documentation/devicetree/bindings/w1/w1-gpio.txt

28 lines
529 B
Plaintext

w1-gpio devicetree bindings
Required properties:
- compatible: "w1-gpio"
- gpios: one or two GPIO specs:
- the first one is used as data I/O pin
- the second one is optional. If specified, it is used as
enable pin for an external pin pullup.
Optional properties:
- linux,open-drain: if specified, the data pin is considered in
open-drain mode.
Also refer to the generic w1.txt document.
Examples:
onewire {
compatible = "w1-gpio";
gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
battery {
// ...
};
};