[PATCH 04/17] reset: k1: add SPL support and enable TWSI8 reset

[Raymond Mao]

Hi Yao Zi

On Sun, Jan 18, 2026 at 4:12 AM Yao Zi <me at ziyao.cc> wrote:

> On Sat, Jan 17, 2026 at 02:01:38PM -0500, Raymond Mao wrote:
> > From: Raymond Mao <raymond.mao at riscstar.com>
> >
> > This commit enhances the K1 reset controller driver:
> >
> > 1. Enable SPL support
> >    - Select CONFIG_SPL_RESET_SPACEMIT_K1 for SPL builds
> >    - Reset controller is required during early boot for
> >      proper hardware initialization sequence
> >
> > 2. Remove TWSI8 (I2C8) reset restriction
> >    - TWSI8 is now fully controllable by reset controller
>
> I don't think you change any real logics in the driver, so what fixes
> the function of TWSI8 reset? This deserves more explanation.
>
>
The TWSI8 reset could be accessed. But it's only writable. So I remove
the restriction.

Regards,
Raymond


> > Signed-off-by: Raymond Mao <raymond.mao at riscstar.com>
> > ---
> >  drivers/reset/Kconfig             | 7 +++++++
> >  drivers/reset/Makefile            | 2 +-
> >  drivers/reset/reset-spacemit-k1.c | 4 ----
> >  3 files changed, 8 insertions(+), 5 deletions(-)
>
> Regards,
> Yao Zi
>