1. 根目录:
2. drivers
3. of
4. Makefile

obj-y = base.o
obj-$(CONFIG_OF_FLATTREE) += fdt.o
obj-$(CONFIG_OF_PROMTREE) += pdt.o
obj-$(CONFIG_OF_ADDRESS)  += address.o
obj-$(CONFIG_OF_IRQ)    += irq.o
obj-$(CONFIG_OF_DEVICE) += device.o platform.o
obj-$(CONFIG_OF_GPIO)   += gpio.o
obj-$(CONFIG_OF_I2C)	+= of_i2c.o
obj-$(CONFIG_OF_NET)	+= of_net.o
obj-$(CONFIG_OF_SPI)	+= of_spi.o
obj-$(CONFIG_OF_SELFTEST) += selftest.o
obj-$(CONFIG_OF_MDIO)	+= of_mdio.o
obj-$(CONFIG_OF_PCI)	+= of_pci.o
obj-$(CONFIG_OF_PCI_IRQ)  += of_pci_irq.o