On Sun, May 22, 2022 at 5:50 PM Tomer Maimon <tmaimon77@xxxxxxxxx> wrote: > +++ b/drivers/tty/serial/8250/8250_of.c > @@ -333,6 +333,7 @@ static const struct of_device_id of_platform_serial_table[] = { > { .compatible = "ti,da830-uart", .data = (void *)PORT_DA830, }, > { .compatible = "nuvoton,wpcm450-uart", .data = (void *)PORT_NPCM, }, > { .compatible = "nuvoton,npcm750-uart", .data = (void *)PORT_NPCM, }, > + { .compatible = "nuvoton,npcm845-uart", .data = (void *)PORT_NPCM, }, > { /* end of list */ }, If these are compatible devices, it's usually easier to claim compatibility with both the specific chip and the older model as a fallback, to avoid driver changes. This seems to apply to the timer and watchdog devices as well. Arnd