imx 6 Linux 端口配置,Solved: imx.6 GPIO - NXP Community

绝地灬酷狼 2023-01-21 08:26 83阅读 0赞

Hi,

I am able to configure the GPIO from userspace from /sys/class/gpio.

I did changes in the arch/arm/boot/dts/imx6sl-evk.dts file.

I added the below lines in the hoggrp for iomuxc group:

MX6SL_PAD_EPDC_D7__GPIO1_IO14 0x110b0

MX6SL_PAD_EPDC_D6__GPIO1_IO13 0x110b0

But can anybody please let me know, what the above values mean. Because I tried to use this pins with the values —>0x1b0b0 and 0x80000000, but it was not working for me.

Then I referred to the BSP Porting Guide for iMX6SL and there it is mentioned that the values corresponds to Hysteresis, Pull up/Pull down, etc but I am not able to see exact bit mappings for the above values.

It would be great if someone can point me out to the values.

Thanks,

Sunny

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