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#include <dt-bindings/pinctrl/qcom,pmic-gpio.h> &pm8994_gpios { pinctrl-names = "default"; pinctrl-0 = <&ls_exp_gpio_f>; ls_exp_gpio_f: pm8916_mpp4 { pinconf { pins = "gpio5"; output-low; power-source = <2>; // PM8994_GPIO_S4, 1.8V }; }; };