linux-kernel - Re: [PATCH v3 1/6] dt-bindings: thermal: sun8i: Add A523 THS0/1 controllers

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Message-ID: <1935223.tdWV9SEqCh@jernej-laptop>
Date: Mon, 27 Oct 2025 19:01:40 +0100
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: iuncuim <iuncuim@...il.com>, Rob Herring <robh@...nel.org>
Cc: Vasily Khoruzhick <anarsoul@...il.com>,
 Yangtao Li <tiny.windzz@...il.com>, "Rafael J. Wysocki" <rafael@...nel.org>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>,
 Lukasz Luba <lukasz.luba@....com>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
 Samuel Holland <samuel@...lland.org>, Philipp Zabel <p.zabel@...gutronix.de>,
 Andre Przywara <andre.przywara@....com>, linux-pm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject:
 Re: [PATCH v3 1/6] dt-bindings: thermal: sun8i: Add A523 THS0/1 controllers

Hi,

Dne nedelja, 26. oktober 2025 ob 22:09:05 Srednjeevropski standardni čas je Rob Herring napisal(a):
> On Sat, Oct 25, 2025 at 12:31:24PM +0800, iuncuim wrote:
> > From: Mikhail Kalashnikov <iuncuim@...il.com>
> > 
> > Add a binding for D1/T113s thermal sensor controller. Add dt-bindings
> > description of the thermal sensors in the A523 processor.
> > The controllers require activation of the additional frequency of the
> > associated gpadc controller, so a new clock property has been added.
> > 
> > The calibration data is split into two cells that are in different areas
> > of nvmem. Both controllers require access to both memory cell, so a new
> > property nvmem-cells has been added. To maintain backward compatibility,
> > the name of the old cell remains the same and the new nvmem-cell-names is
> > called calibration-second-part
> > 
> > Signed-off-by: Mikhail Kalashnikov <iuncuim@...il.com>
> > ---
> >  .../thermal/allwinner,sun8i-a83t-ths.yaml     | 56 ++++++++++++++++++-
> >  1 file changed, 53 insertions(+), 3 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml b/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml
> > index 3e61689f6..b2f750ef2 100644
> > --- a/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml
> > +++ b/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml
> > @@ -24,18 +24,23 @@ properties:
> >        - allwinner,sun50i-h5-ths
> >        - allwinner,sun50i-h6-ths
> >        - allwinner,sun50i-h616-ths
> > +      - allwinner,sun55i-a523-ths0
> > +      - allwinner,sun55i-a523-ths1
> >  
> >    clocks:
> >      minItems: 1
> >      items:
> >        - description: Bus Clock
> >        - description: Module Clock
> > +      - description: GPADC Clock
> >  
> >    clock-names:
> >      minItems: 1
> > +    maxItems: 2
> 
> How can the max be both 2 and...
> 
> >      items:
> >        - const: bus
> >        - const: mod
> > +      - const: gpadc
> 
> ...3 entries?
> 

Because old variant uses "bus" and "mod" and new variant uses "bus" and
"gpadc" and none of them uses all 3 entries.

Although, I guess we can simplify and just use "mod" in both cases.

Best regards,
Jernej