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    请教关于V821的SPI的问题-设备树

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    • M
      mysteryli LV 7 last edited by

      对于文件 bsp/configs/linux-5.4-ansc/sun300iw1p1.dtsi
      明明使用了SPI0连接norflash,为什么spi0还是status = "disabled";呢?
      如果我要用到spi1驱动LCD,是都要把SPI1改为status = "okay";呢?
      313c6d9f-0402-4038-92b3-91d4b6503d42-image.png

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      • A
        awwwwa LV 8 last edited by

        1. 821是 SPIF 控制器连接 NOR Flash,开启SPIF是由uboot动态修改设备树,SPIF是针对NOR,NAND存储器件优化的控制器,读取性能是普通SPI的一倍以上

        2. 是的

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