Re: [PATCH] drivers: char: omap-uart: add "clock-hz" option

[Julien Grall <julien@xxxxxxx>]

Hi,

On 19/07/2024 12:33, Amneesh Singh wrote:
> Quite a few TI K3 devices do not have clock-frequency specified in their
> respective UART nodes.
Can you outline why fixing the device-tree is not solution?

> However hard-coding the frequency is not a
> solution as the function clock input can differ between SoCs.

Can you provide some details how Linux is handling those SoCs?

> So,
> similar to com1/com2, let the user pass the frequency as a dtuart option
> via the bootargs. If not specified it will fallback to the same DT
> parsing as before. For example, dtuart=serial2:clock-hz=48000000 can be
> a valid bootarg.
Regardless my questions, any change to the command line needs to be 
documented in docs/misc/xen-command-line.pandoc.
Cheers,

--
Julien Grall