Our hardware engineers have done a test. When PEX_WAKE_N is used as a wake up pin, the ground cannot be changed from High to Low. However, when TEGRA234_MAIN_GPIO (G, 7) is used as a wake up pin, the ground can be changed from High to Low.
What should be done to set the PEX_WAKE_N pin so that it can be used as a WAKE UP pin like TEGRA234_MAIN_GPIO (G, 7)?
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