i.MX ProcessorsのトピックRe: GPIO level for IMX8MQ SoC

GPIO level for IMX8MQ SoC

Joe_C — Tue, 02 Feb 2021 12:13:24 GMT

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？

Rita_Wang — Wed, 03 Feb 2021 10:12:24 GMT

Which gpio do you want to change?

Joe_C — Wed, 03 Feb 2021 10:20:42 GMT

Initialize gpio01_03 as soon as uboot starts.

Rita_Wang — Wed, 03 Feb 2021 10:25:39 GMT

Do you mean GPIO1_IO03？

Joe_C — Wed, 03 Feb 2021 10:42:32 GMT

IMX8MQ_PAD_GPIO1_IO03__GPIO1_IO3

jimmychan — Fri, 26 Mar 2021 04:47:14 GMT

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.