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 { // ... }; };