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Date: Tue, 21 May 2024 19:31:51 +0100
From: Conor Dooley <conor@kernel.org>
To: Detlev Casanova <detlev.casanova@collabora.com>
Cc: Heiko =?iso-8859-1?Q?St=FCbner?= <heiko@sntech.de>,
	linux-kernel@vger.kernel.org, Sandy Huang <hjc@rock-chips.com>,
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	Conor Dooley <conor+dt@kernel.org>,
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Subject: Re: [PATCH 3/3] dt-bindings: display: vop2: Add VP clock resets
Message-ID: <20240521-silver-exciting-bb3725dc495d@spud>
References: <20240514152328.21415-1-detlev.casanova@collabora.com>
 <20240515-risk-exes-13db315da6bb@spud>
 <2182693.irdbgypaU6@diego>
 <13628421.uLZWGnKmhe@arisu>
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On Tue, May 21, 2024 at 01:15:46PM -0400, Detlev Casanova wrote:
> On Wednesday, May 15, 2024 12:33:22 P.M. EDT Heiko St=FCbner wrote:
> > Am Mittwoch, 15. Mai 2024, 18:19:29 CEST schrieb Conor Dooley:
> > > On Tue, May 14, 2024 at 11:19:47AM -0400, Detlev Casanova wrote:
> > > > Add the documentation for VOP2 video ports reset clocks.
> > > > One reset can be set per video port.
> > > >=20
> > > > Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
> > >=20
> > > Are these resets valid for all VOPs or just the one on 3588?
> >=20
> > Not in that form.
> > I.e. rk3588 has 4 video-ports (0-3), while rk3568 has 3 (0-2).
> >=20
> > So the binding should take into account that rk3568 also has the
> > SRST_VOP0 ... SRST_VOP2.
>=20
> That is what is set in the example and the reason why I set minItems to 3=
 in=20
> the main bindings.
> Then, the rk3588 specific part sets it to 4.
>=20
> Isn't that enough ?

Not quite - you need to restrict maxItems to 3 for the other devices if
the clocks are not valid. What you've got says that 4 clocks are
possible but not needed on !rk3588.

Cheers,
Conor.

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