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avs及内核启动问题

Other Parts Discussed in Thread: TPS40400

您好,我使用的是dvrrdk4.0,自己公司做的DM8168板子,在硬件上做了对TPS40400及I2c的支持,当内核使用默认GPIO驱动avs时,内核是可以正确启动的,但此时的avs没有起作用。我把内核GPIO voltage regulator改为TI TPS40400 PMBus PMIC后,内核就启动不了了,在硬件上关闭avs,改为恒定1.0V电压,仍然不能启动,能否给分析一下原因?谢谢