Re: [RESEND PATCH] arm64: dts: ti: k3-j784s4-mcu-wakeup: Configure wkup_uart0 with clock settings

[Kumar, Udit]

Hello Nishanth

On 6/3/2025 9:31 PM, Nishanth Menon wrote:
> On 09:54-20250603, Udit Kumar wrote:
> > From: Bhavya Kapoor <b-kapoor@xxxxxx>
> >
> > This commit adds the assigned-clocks and assigned-clock-parents
> > properties for wkup_uart0 in J784S4. Specifically, the assigned-clocks
> > property is set to reference the clock identified by
> > "wkup_usart_mcupll_bypass_out0", ensuring the UART operates with the
> > correct clock source.
> >
> > The assigned-clock-parents property specifies "wkup_usart_clksel_out0"
> > as the parent clock. This configuration is critical for establishing
> > the proper clocking hierarchy, enabling the UART device to function
> > reliably across different baud rates.
> Please fix the commit message - not clear what specifically in the clock
> hierarchy does permit the multiple baud rates.

need your advise here .

unlike other UART of main domain.  wkup_uart currently has two parents 
clock (clock-1 is at 96Mhz and clock-0 is at 19.2 Mhz).

By default, current fw selects clock-1 as parent.

Let me know, if explicitly we need to set parent as clock-1.

If yes then i will roll out v2 with current message , if no then please 
drop this patch

Thanks

Udit

> > Signed-off-by: Bhavya Kapoor <b-kapoor@xxxxxx>
> You need to add your SoB.
> > ---
> > Link to v1: https://lore.kernel.org/all/20241009072056.3511346-1-b-kapoor@xxxxxx/
> [..]