GPIO level for IMX8MQ SoC

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I measure the level of GPIO to be high, I want to power on to be low, how should I set the level of GPIO？

5 返答（返信）

2,629件の閲覧回数

Which gpio do you want to change?

2,626件の閲覧回数

Initialize gpio01_03 as soon as uboot starts.

2,623件の閲覧回数

Do you mean GPIO1_IO03？

2,621件の閲覧回数

IMX8MQ_PAD_GPIO1_IO03__GPIO1_IO3

2,575件の閲覧回数

If you want to set it to low when u-boot start, you can set it to low in <board>.c file in u-boot source code.