= ; //引脚复用功能配置
allwinner,drive = ; //io驱动能力
allwinner,pull = ; //内部电阻状态...};
twi0_pins_b: twi0@1 {
allwinner,pins = "PD14", "PD15";
allwinner,function = "io_disabled";
allwinner...,muxsel = ;
allwinner,drive = ;
allwinner,pull = ;
};
linux-5.4 中该配置的路径为 arch/arm64(32 位平台为...sda";
allwinner,function = "twi0";
allwinner,muxsel = ;
allwinner,drive = ;
allwinner,pull...allwinner,muxsel = ;
allwinner,drive = ;
allwinner,pull = ;
};
twi0: twi@0x05002000{
clock-frequency