是的。linux SPI 驱动程序(/驱动程序/spi/spi-altera.c)适用于 Qsys 软 SPI IP(3 线串行)。
您可以将 SPI(3 线串行)IP 连接到h2f_lw桥,并通过引用以下内容创建设备树:
spi_0:spi@0x100020000 {
兼容 = “altr,spi-15.1”, “altr,spi-1.0”;
reg = ;
中断家长 = ;
中断 = ;
时钟 = ;
#address蜂窝 = ;
#size蜂窝 = ;
bus-num = ;
num-chipselect = ;
状态 = “好吧”;
spidev0_fpga:spidev@0 {
兼容 = “rohm, dh2228fv”; /* 附录来自 Boardinfo */
reg = ; /* 附录来自 Boardinfo */
spi-max-frequency = ; /* 附录来自 Boardinfo */
};//end spidev@0
};端spi@0x100020000 (spi_0)