Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@awwwwa 这里直接连接了电源,设备树中还要加sunxi,uart-485oe-gpios这个属性吗,还是说这种情况有其他写法