[PATCH v2 1/2] dt-bindings: power: spacemit: Add power domain controller IDs

[Iker Pedrosa]

On Thu, Oct 08, 2026 at 03:44:29AM +0000, Yixun Lan wrote:
> Add initial power domain driver support for SpacemiT K1/K3 SoC, The Power
> Domain Controller is SoC internal module which is part of APMU (Advanced
> Power Management Unit), it is responsible for managing power across multi
> power domains, which includes power on/off, isolation, power-on sequence.

Tested on an OrangePi RV2 as part of basic enablement for the PowerVR
GPU. An RFC series for basic GPU support will build on this.

Tested-by: Iker Pedrosa <ikerpedrosam at gmail.com>
Reviewed-by: Iker Pedrosa <ikerpedrosam at gmail.com>

El jue, 8 oct 2026 a las 12:31, Icenowy Zheng (<uwu at icenowy.me>) escribió:
>
> 在 2026-10-08四的 08:27 +0100，Conor Dooley写道：
> > On Thu, Oct 08, 2026 at 03:44:29AM +0000, Yixun Lan wrote:
> > > Add initial power domain driver support for SpacemiT K1/K3 SoC, The
> > > Power
> > > Domain Controller is SoC internal module which is part of APMU
> > > (Advanced
> > > Power Management Unit), it is responsible for managing power across
> > > multi
> > > power domains, which includes power on/off, isolation, power-on
> > > sequence.
> >
> > You should prob mention that this APMU is already documented
> > elsewhere.
>
> Maybe it's also meaningful to mention that APMU already has #power-
> domain-cells property, because the first reaction of me is to add such
> a property (and then found it already there).
>
> Thanks,
> Icenowy
>
> > Acked-by: Conor Dooley <conor.dooley at microchip.com>
> > pw-bot: not-applicable
> >
> > Thanks,
> > Conor.
> >
> > >
> > > Signed-off-by: Yixun Lan <dlan at kernel.org>
> > > ---
> > >  include/dt-bindings/power/spacemit,k1-power.h | 14 ++++++++++++++
> > >  include/dt-bindings/power/spacemit,k3-power.h | 12 ++++++++++++
> > >  2 files changed, 26 insertions(+)
> > >
> > > diff --git a/include/dt-bindings/power/spacemit,k1-power.h
> > > b/include/dt-bindings/power/spacemit,k1-power.h
> > > new file mode 100644
> > > index 000000000000..41ef540b5c44
> > > --- /dev/null
> > > +++ b/include/dt-bindings/power/spacemit,k1-power.h
> > > @@ -0,0 +1,14 @@
> > > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> > > +
> > > +#ifndef _DT_BINDINGS_SPACEMIT_K1_POWER_H_
> > > +#define _DT_BINDINGS_SPACEMIT_K1_POWER_H_
> > > +
> > > +#define K1_PMDOMAIN_VPU            0
> > > +#define K1_PMDOMAIN_GPU            1
> > > +#define K1_PMDOMAIN_LCD            2
> > > +#define K1_PMDOMAIN_ISP            3
> > > +#define K1_PMDOMAIN_AUDIO  4
> > > +#define K1_PMDOMAIN_GNSS   5
> > > +#define K1_PMDOMAIN_HDMI   6
> > > +
> > > +#endif
> > > diff --git a/include/dt-bindings/power/spacemit,k3-power.h
> > > b/include/dt-bindings/power/spacemit,k3-power.h
> > > new file mode 100644
> > > index 000000000000..519fbf946312
> > > --- /dev/null
> > > +++ b/include/dt-bindings/power/spacemit,k3-power.h
> > > @@ -0,0 +1,12 @@
> > > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> > > +
> > > +#ifndef _DT_BINDINGS_SPACEMIT_K3_POWER_H_
> > > +#define _DT_BINDINGS_SPACEMIT_K3_POWER_H_
> > > +
> > > +#define K3_PMDOMAIN_VPU            0
> > > +#define K3_PMDOMAIN_GPU            1
> > > +#define K3_PMDOMAIN_AUDIO  2
> > > +#define K3_PMDOMAIN_LCD0   3
> > > +#define K3_PMDOMAIN_LCD1   4
> > > +
> > > +#endif
> > >
> > > --
> > > 2.56.0
> > >