Linux 2.6ÏÂSPIÉ豸ģÐÍ
Linux 2.6ÏÂSPIÉ豸ģÐÍ
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Atmel¹«Ë¾µÄARM ATϵÁУ¬ÆäSPIÇý¶¯ÔÚkernel 2.6.23ÀïÒѾ°üº¬¡£Èç¹ûÄã´òÁËat91-patch²¹¶¡µÄ»°£¬ÔòÔÚÄÚºËÅäÖÃʱҪСÐÄ¡£ÔÚDevice Drivers---- > Character devices ---- >È¡ÏûÑ¡ÖÐSPI Driver(legacy) for at91rm9200 processor ¡£Í¬Ê±Device Drivers---- >SPI Support ---- > Ñ¡ÖÐSPI Support ,Atmel SPI Controler,ͬʱѡÖÐ User mode SPI device driver support ¡£
SPI Driver(legacy) for at91rm9200 processorÊDZ£ÁôÑ¡ÏΪÁ˼æÈÝÒÔǰ°æ±¾¡£Èç¹ûͬʱѡÖÐSPI Driver(legacy) for at91rm9200 processor£¬ÔòÔÚ/sysÀïÎÞ·¨×¢²áÀàspidev£¬Ò²¾ÍÎÞ·¨½«É豸ºÍÇý¶¯ÁªÏµÔÚÒ»Æð¡£ÓëÏÖÓÐatmel spiÇý¶¯·¢Éú³åÍ»¡£
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[*]SPI support ---- Config_SPI ¿ªÆôSPI¹¦ÄÜ
[*]Debug support for SPI drivers ---- config SPI_DEBUG ¿ªÆôSPI debugµ÷ÊÔ
----SPI Master Controller Drivers ---- depends on SPI_MASTER Éú³Éspi.o
<*>Atmel SPI Controller ---- config SPI_ATMEL Éú³Éatmel_spi.o
<*>Bitbanging SPI master ---- config SPI_BITBANG Éú³Éspi_bitbang.o
<*>AT91RM9200 Bitbang SPI Master ---- CONFIG_SPI_AT91 spi_at91_bitbang.o
---- SPI Protocol Masters ---- depends on SPI_MASTER
< >SPI EEPROMs from most vendors ---- config SPI_AT25 Éú³Éat25.o
<*>User mode SPI device driver support ---- config SPI_SPIDEV Éú³Éspidev.o
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#spi.c
struct bus_type spi_bus_type = {
.name = "spi", // spi×ÜÏßÃû³Æ
.dev_attrs
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