[PATCH v3 09/18] dt-bindings: power: imx8mm: add defines for VPU blk-ctrl domains

Lucas Stach l.stach at pengutronix.de
Tue Sep 7 01:11:16 PDT 2021


Am Dienstag, dem 07.09.2021 um 09:06 +0200 schrieb Frieder Schrempf:
> On 06.09.21 20:43, Lucas Stach wrote:
> > This adds the defines for the power domains provided by the VPU
> > blk-ctrl.
> > 
> > Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> > ---
> >  include/dt-bindings/power/imx8mm-power.h | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/include/dt-bindings/power/imx8mm-power.h b/include/dt-bindings/power/imx8mm-power.h
> > index fc9c2e16aadc..38b0a56fd7d0 100644
> > --- a/include/dt-bindings/power/imx8mm-power.h
> > +++ b/include/dt-bindings/power/imx8mm-power.h
> > @@ -19,4 +19,8 @@
> >  #define IMX8MM_POWER_DOMAIN_DISPMIX	10
> >  #define IMX8MM_POWER_DOMAIN_MIPI	11
> >  
> > +#define IMX8MM_VPUBLK_PD_G1		0
> > +#define IMX8MM_VPUBLK_PD_G2		1
> > +#define IMX8MM_VPUBLK_PD_H1		2
> 
> I wonder how these defines should be named. Here you have a
> IMX8MM_*BLK_PD_*, but for the DISP BLK-CTRL you only have IMX8MM_*BLK_*
> (without the PD).
> 
> Also in Peng's last approach for this we already have defines for this
> [1] that have been acked by Rob and might be useful as a reference or
> you could even pick up Peng's patch and by that carry over the existing
> R-b/A-b tags.
> 
> Though, in general I like the shorter versions you provided better.

Good point, we should try to be consistent here. I don't want those
names to be overly long, but it should be clear that those are power
domain specifiers. IMO the best option is the *BLK_PD* naming, as used
in the VPUMIX binding.

Regards,
Lucas




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