one can look at Porting Guide included in Linux L4.14.98_2.0.0 Documentation
dts example of gpio : pinctrl_pcieb to control PCIe :
fsl-imx8qxp-mek.dtsi\freescale\dts\boot\arm64\arch - linux-imx - i.MX Linux kernel
Best regards
igor
Hi Xu
one can try to set it using scfw, please check
Best regards
igor
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one can look at Porting Guide included in Linux L4.14.98_2.0.0 Documentation
dts example of gpio : pinctrl_pcieb to control PCIe :
fsl-imx8qxp-mek.dtsi\freescale\dts\boot\arm64\arch - linux-imx - i.MX Linux kernel
Best regards
igor