pin_config_set op failed for pin 37(imx8qm+Linux4.19.35 )

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pin_config_set op failed for pin 37(imx8qm+Linux4.19.35 )

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nxpnxp
Contributor I

platform:imx8qm+Linux4.19.35

1)In dtsi initialization pin 37: 

SC_P_SCU_GPIO0_01_LSIO_GPIO0_IO29   0x06000021。

2)log output failed for pin 37 

5.765671] imx8qm-pinctrl iomuxc: pin_config_set op failed for pin 37
[    5.772431] gpio-keys gpio-keys: Error applying setting, reverse things back

3)How to solve the problem

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igorpadykov
NXP Employee
NXP Employee

Hi

SCU_GPIO0_00 and SCU_GPIO0_01 are used for scu debug UART

to debug the SCU firmware, not recommended to use them.

 

Best regards
igor
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