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products:sbc:common:applications:gpio:uart [2023/11/07 05:08] nick [Table] |
products:sbc:common:applications:gpio:uart [2023/11/07 05:09] (current) nick [Enable UART] |
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```shell | ```shell | ||
overlays=pwm_ao_a pwm_f uart3 | overlays=pwm_ao_a pwm_f uart3 | ||
+ | ``` | ||
+ | |||
+ | After reboot, you will see the UART device node. | ||
+ | |||
+ | ```shell | ||
+ | $ ls /dev/ttyS3 | ||
+ | /dev/ttyS3 | ||
+ | ``` | ||
+ | |||
+ | <tabbox VIM3 with 5.15 kernel> | ||
+ | |||
+ | Edit ''/ | ||
+ | |||
+ | |||
+ | e.g. Enable '' | ||
+ | |||
+ | ```shell | ||
+ | fdt_overlays=uart3 | ||
+ | |||
+ | ``` | ||
+ | |||
+ | After reboot, you will see the UART device node. | ||
+ | |||
+ | ```shell | ||
+ | $ ls /dev/ttyS3 | ||
+ | /dev/ttyS3 | ||
+ | ``` | ||
+ | |||
+ | <tabbox VIM3L with 5.15 kernel> | ||
+ | |||
+ | Edit ''/ | ||
+ | |||
+ | |||
+ | e.g. Enable '' | ||
+ | |||
+ | ```shell | ||
+ | fdt_overlays=uart3 | ||
+ | |||
``` | ``` | ||