环境am335x-evm ti-sdk7.0
系统启动后/dev/目录下没有 rtc设备文件
我们通过I2C0接口外接了rtc电路到arm,(引脚:RTC0_SCL I2C0_SDA)
请问怎么实现系统启动时同步RTC时间到linux系统
求大概讲一下思路
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你修改了device tree文件,在I20节点下增加了RTC的设备节点了吗?