Re: [PATCH v2 1/5] arm64: dts: ti: k3-j7200: Change timer nodes status to reserved

[Beleswar Prasad Padhi]

Hi Udit,

On 14-08-2024 20:41, Kumar, Udit wrote:
> On 8/14/2024 4:11 PM, Beleswar Padhi wrote:
> > The remoteproc firmware like of R5F and DSPs in the MAIN voltage domain
>
> There is no DSP on this SOC.
>
> Please consider to re-word commit message


Thanks for catching this! Will fix in revision.

> > use timers. Therefore, change the status of the timer nodes to
> > "reserved" to avoid any clash. Usage is described as below:
> >
> >     +===================+==========================+
> >     |  Remoteproc node  |        Timer Node        |
> >     +===================+==========================+
> >     | main_r5fss0_core0 | main_timer0, main_timer2 |
> >     +-------------------+--------------------------+
> >     | main_r5fss0_core1 | main_timer1              |
> >     +-------------------+--------------------------+
>
>
> > This change is already incorporated for timer nodes in the MCU voltage
> > domain.
>
> For whole series,  on MCU domain R5 we have device-manager firmware,
>
> which is needed to get SOC functional. So MCU domain timers are reserved.


Understood. Will fix in revision.

> So my suggestion will be to avoid above message
>
>
> > Fixes: c8a28ed4837c ("arm64: dts: ti: k3-j7200: Add general purpose 
> > timers")
> > Signed-off-by: Beleswar Padhi <b-padhi@xxxxxx>
> > ---
> >   .../boot/dts/ti/k3-j7200-common-proc-board.dts      | 13 +++++++++++++
> >   1 file changed, 13 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts 
> > b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> > index 6593c5da82c0..a65066bd7f09 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> > @@ -471,3 +471,16 @@ &main_mcan3 {
> >       pinctrl-0 = <&main_mcan3_pins_default>;
> >       phys = <&transceiver3>;
> >   };
> > +
> > +/* Timers are used by Remoteproc firmware */
> > +&main_timer0 {
> > +    status = "reserved";
> > +};
> > +
> > +&main_timer1 {
> > +    status = "reserved";
> > +};
> > +
> > +&main_timer2 {
> > +    status = "reserved";
> > +};