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Date: Tue, 11 Jun 2024 16:23:00 -0700
From: Elliot Berman <quic_eberman@quicinc.com>
To: Rob Herring <robh@kernel.org>
CC: Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio
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 Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
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Subject: Re: [PATCH v4 1/4] dt-bindings: power: reset: Convert mode-.*
 properties to array
Message-ID: <20240611160619020-0700.eberman@hu-eberman-lv.qualcomm.com>
References: <20240611-arm-psci-system_reset2-vendor-reboots-v4-0-98f55aa74ae8@quicinc.com>
 <20240611-arm-psci-system_reset2-vendor-reboots-v4-1-98f55aa74ae8@quicinc.com>
 <20240611204001.GA3026541-robh@kernel.org>
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In-Reply-To: <20240611204001.GA3026541-robh@kernel.org>

On Tue, Jun 11, 2024 at 02:40:01PM -0600, Rob Herring wrote:
> On Tue, Jun 11, 2024 at 08:35:13AM -0700, Elliot Berman wrote:
> > PSCI reboot mode will map a mode name to multiple magic values instead
> > of just one. Convert the mode-.* property to an array. Users of the
> > reboot-mode schema will need to specify the maxItems of the mode-.*
> > properties. Existing users will all be 1.
> > 
> > Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
> > ---
> >  .../devicetree/bindings/power/reset/nvmem-reboot-mode.yaml        | 5 +++++
> >  Documentation/devicetree/bindings/power/reset/qcom,pon.yaml       | 8 ++++++++
> >  Documentation/devicetree/bindings/power/reset/reboot-mode.yaml    | 4 ++--
> >  .../devicetree/bindings/power/reset/syscon-reboot-mode.yaml       | 5 +++++
> >  4 files changed, 20 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml
> > index 627f8a6078c2..9b9bbc0f29e7 100644
> > --- a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml
> > +++ b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml
> > @@ -31,6 +31,11 @@ properties:
> >  allOf:
> >    - $ref: reboot-mode.yaml#
> >  
> > +patternProperties:
> > +  "^mode-.*$":
> > +    items:
> > +      maxItems: 1
> 
> Drop 'items'. Otherwise, you are defining constraints of a matrix.
> 

If I do this, I also have to add $ref: .../uint32-array as well so
the property can be picked up as an array type. Let me know if this isn't
right, otherwise I'll send out a fixed version in a few days.

Thanks,
Elliot