#include / { zephyr,user { vbat-en-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; io-channels = <&adc 5>, <&adc 7>; }; }; &gpio0 { status = "okay"; }; &gpio1 { status = "okay"; }; &gpiote { status = "okay"; }; &led_0 { status = "okay"; }; /* 使能 SAADC,mode_switch_module 使用 channel 7 采样模式拨码电压。 */ &adc { status = "okay"; }; &i2c1 { status = "okay"; ip5305: pmic@75 { status = "okay"; /* 试验项:调整 IP5305 KEY 保活周期,观察 I2C 失败窗口是否随周期移动。 */ keepalive-interval-ms = <10000>; }; };