[PATCH v4 2/8] mfd: stm32-lptimer: add support for stm32mp25

Lee Jones lee at kernel.org
Thu Apr 24 06:01:12 PDT 2025


On Fri, 04 Apr 2025, Lee Jones wrote:

> On Fri, 14 Mar 2025, Fabrice Gasnier wrote:
> 
> > Add support for STM32MP25 SoC.
> > A new hardware configuration register (HWCFGR2) has been added, to gather
> > number of capture/compare channels, autonomous mode and input capture
> > capability. The full feature set is implemented in LPTIM1/2/3/4. LPTIM5
> > supports a smaller set of features. This can now be read from HWCFGR
> > registers.
> > 
> > Add new registers to the stm32-lptimer.h: CCMR1, CCR2, HWCFGR1/2 and VERR.
> > Update the stm32_lptimer data struct so signal the number of
> > capture/compare channels to the child devices.
> > Also Remove some unused bit masks (CMPOK_ARROK / CMPOKCF_ARROKCF).
> > 
> > Signed-off-by: Fabrice Gasnier <fabrice.gasnier at foss.st.com>
> > ---
> > Changes in V4:
> > - Add DIEROK, ARROK status flags, and their clear flags.
> > Changes in V2:
> > - rely on fallback compatible as no specific .data is associated to the
> >   driver. Compatibility is added by reading hardware configuration
> >   registers.
> > - read version register, to be used by clockevent child driver
> > - rename register/bits definitions
> > ---
> >  drivers/mfd/stm32-lptimer.c       | 33 ++++++++++++++++++++++++++-
> >  include/linux/mfd/stm32-lptimer.h | 37 ++++++++++++++++++++++++++++---
> 
> At least the Clocksource driver depends on this.
> 
> I need Acks from the other Maintainers before I can merge this.

Suggest you resubmit the set as a [RESEND] to re-gain traction.

-- 
Lee Jones [李琼斯]



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