SPI support --->
-*- Utilities for Bitbanging SPI masters
<*> GPIO-based bitbanding SPI Master
<*> Freescale i.MX SPI controllers
<*> User mode SPI device driver support
Device Drivers --->
Staging drivers --->
IIO staging drivers --->
Analog to digital converters --->
<*> Analog Devices AD7606 ADC driver
<*> spi interface support
<*> Industrial I/O support --->
---Industrial I/O support
-*- Enable buffer support within IIO
IIO callback buffer used for push in-kernel interfaces
-*- Industrial I/O buffering based on kfifo
-*- Enable triggered sampling support
修改完毕后,选择<Save>保存。退出。重新编译内核,执行
make -j8 zImage ZIMAGE_LOADADDR=0x10008000
编译时间较长,需等待几分钟。编译结果如下图