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davinc 36x SPI SPIFMTn 设置无效



如题,我修改DM365的SPI驱动,重新开启一路spidev2.0,即用使用spi2,采用SPIFMT0格式,在设置PRESCALE0=3后,发现SPI clk引脚输出时钟没有变化而且只有HZ

级,SPI外设时钟有135MHZ,理论上SPI输出时钟应该至少有135M/(3+1)=33.75M 啊,不知道是怎么回事。