printf("%s: wrong gpios property, 2 values needed %d\n", __func__, ret); return ret; } nodename = dev_read_string(dev, "line-name"); if (!nodename) nodename = dev_read_name(dev); device_set_name(dev, nodename); return 0; } static int gpio_hog_probe(struct udevice *dev...
描述设备设备树的文件叫做DTS(Device Tree Source),这个DTS文件采用了树形结构来描述板机设备，也就是开发...