[PATCH v6 2/3] arm64: dts: freescale: Add basic dtsi for imx943

[Peng Fan]

Hi Shawn,

> Subject: Re: [PATCH v6 2/3] arm64: dts: freescale: Add basic dtsi for
> imx943
> 
> On Mon, Apr 21, 2025 at 02:51:38PM +0800, Jacky Bai wrote:
> > Add the minimal dtsi support for i.MX943. i.MX943 is the first SoC of
> > i.MX94 Family, create a common dtsi for the whole i.MX94 family,
> and
> > the specific dtsi part for i.MX943.
> >
> > The clock, power domain and perf index need to be used by the
> device
> > nodes for resource reference, add them along with the dtsi support.
> >
> > Signed-off-by: Jacky Bai <ping.bai at nxp.com>
> > ---
> >  - v6 changes:
> >   - refine the indentation of edma irq property.
> >
> >  - v5 changes:
> >   - remove the err irq of edma node as the err irq support in driver is
> not
> >     ready. We can add it back when the driver is ready. No impact for
> current
> >     edma support.
> >
> >  - v4 changes:
> >   - reorder the cpu node compatible string property as suggested by
> > Frank
> >
> >  - v3 changes:
> >   - remove the blank line
> >   - add PAD config macro define as suggested by Frank Li
> >   - update the device nodes compatible strings for imx94 as suggested
> > by Krzysztof
> >
> >  - v2 changes:
> >   - remove the unnecessary macro define in clock header as suggested
> by Krzysztof
> >   - split the dtsi into imx94.dtsi and imx943.dtsi
> >   - use low case in the pinfunc header as Frank suggested
> >   - reorder the device nodes and properties
> > ---
> >  arch/arm64/boot/dts/freescale/imx94-clock.h   |  195 ++
> 
> I forgot to ask when imx95-clock.h was first introduced.  But how will
> clk drivers use these clock IDs, or will clk drivers have their own copy of
> definitions?

We are using SCMI for i.MX95/i.MX94. Per DT maintainers,
the IDs should not be in dt-bindings, they are SCMI firmware
defined IDs.

clk drivers is drivers/clk/clk-scmi.c, this is a SCMI generic
clk driver, it will talk with SCMI firmware to get IDs.

> 
> >  arch/arm64/boot/dts/freescale/imx94-pinfunc.h | 1570
> +++++++++++++++++
> >  arch/arm64/boot/dts/freescale/imx94-power.h   |   41 +
> 
> Same question on the power IDs.

Same as CLK IDs.

Regards,
Peng
>