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i2c2: controller timed out error

我使用的是 达芬奇 816x/389x 评估板,SDK安装的是ezsdk_dm816x-evm_5_01_00_77_setuplinux。

i2c2口不能正常的工作,i2c1口工作正常。花费了我很长时间,也没有找到解决的办法。

当我使用i2c2口,对I2C芯片做读写操作的时候出现下面的错误信息。

omap_i2c omap_i2c.2: controller timed out

x 出现错误。请重试或与管理员联系。