Luckfox Forums • uart Permission denied

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uart Permission denied

Posted: 2024-06-21 1:10

by Potato

board：ultra w
.dts：

Code: Select all

&uart4 {
        status = "okay";
        pinctrl-names = "default";
        princtrl-0 = <&uart5m0_xfer>;
};

Re: uart Permission denied

Posted: 2024-06-21 1:23

by Eng38

Hello, the serial port defined in the device tree does not match the pin. If you want to use uart4, princtrl-0 should be modified to <&uart4m1_xfer>;