imx8mp Some GPIOs cannot be controlled

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imx8mp Some GPIOs cannot be controlled

753 次查看
yzg
Contributor I

Hi,nxp

kernel version:Linux imx8mpevk 5.15.71

I want to use some gpio to control the led, but I find that these pins cannot be controlled and cannot output high levels.

MX8MP_IOMUXC_SD1_DATA0__GPIO2_IO02       0x10
MX8MP_IOMUXC_SD1_DATA1__GPIO2_IO03      0x10
MX8MP_IOMUXC_SD1_DATA2__GPIO2_IO04      0x10
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jimmychan
NXP TechSupport
NXP TechSupport

Could you tell me how you set the gpio pins in dts file? How you test the output of the pins? So, I can try it on my side.

 

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