Hi,

Thanks for your comments.

the patch will modify according to your comments and will be sent in the next kernel revision 5.19.rc1

On Mon, 23 May 2022 at 12:40, Arnd Bergmann <arnd@arndb.de> wrote:
On Sun, May 22, 2022 at 5:50 PM Tomer Maimon <tmaimon77@gmail.com> wrote:
> +/ {
> +       model = "Nuvoton npcm845 Development Board (Device Tree)";
> +       compatible = "nuvoton,npcm845";
> +
> +       aliases {
> +               serial0 = &serial0;
> +               serial1 = &serial1;
> +               serial2 = &serial2;
> +               serial3 = &serial3;
> +       };

> +               apb {
> +                       serial0: serial@0 {
> +                               status = "okay";
> +                       };
> +
> +                       serial1: serial@1000 {
> +                               status = "disabled";
> +                       };
> +
> +                       serial2: serial@2000 {
> +                               status = "disabled";
> +                       };
> +
> +                       serial3: serial@3000 {
> +                               status = "disabled";
> +                       };

Please drop the aliases for disabled uarts. It probably also makes
sense to have the status="disabled" properties in the .dtsi file and
only override them when you explicitly want to enable a uart for a
board.

       Arnd

Best regards,

Tomer