linux-kernel - Re: Re: [PATCH v2 1/2] dt-bindings: hwmon: Add Eswin EIC7700 PVT sensor

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Message-ID: <20260129-unpainted-educated-3017ed90c817@spud>
Date: Thu, 29 Jan 2026 16:42:22 +0000
From: Conor Dooley <conor@...nel.org>
To: Huan He <hehuan1@...incomputing.com>
Cc: linux@...ck-us.net, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, p.zabel@...gutronix.de,
	linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, ningyu@...incomputing.com,
	linmin@...incomputing.com, pinkesh.vaghela@...fochips.com,
	luyulin@...incomputing.com
Subject: Re: Re: [PATCH v2 1/2] dt-bindings: hwmon: Add Eswin EIC7700 PVT
 sensor

On Thu, Jan 29, 2026 at 11:06:17AM +0800, Huan He wrote:
> > > 
> > > Add device tree binding documentation for ESWIN EIC7700 Process, Voltage
> > > and Temperature sensor.
> > > 
> > > The EIC7700 SoC integrates two PVT instances for monitoring SoC and DDR
> > > power domains respectively.
> > > 
> > > Signed-off-by: Yulin Lu <luyulin@...incomputing.com>
> > > Signed-off-by: Huan He <hehuan1@...incomputing.com>
> > > ---
> > >  .../bindings/hwmon/eswin,eic7700-pvt.yaml     | 70 +++++++++++++++++++
> > >  1 file changed, 70 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/hwmon/eswin,eic7700-pvt.yaml
> > > 
> > > diff --git a/Documentation/devicetree/bindings/hwmon/eswin,eic7700-pvt.yaml b/Documentation/devicetree/bindings/hwmon/eswin,eic7700-pvt.yaml
> > > new file mode 100644
> > > index 000000000000..f4ba228924fe
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/hwmon/eswin,eic7700-pvt.yaml
> > > @@ -0,0 +1,70 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/hwmon/eswin,eic7700-pvt.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: ESWIN EIC7700 PVT Sensor
> > > +
> > > +maintainers:
> > > +  - Yulin Lu <luyulin@...incomputing.com>
> > > +  - Huan He <hehuan1@...incomputing.com>
> > > +
> > > +description:
> > > +  ESWIN EIC7700 SoC integrates embedded process, voltage and temperature
> > > +  sensors to monitor the internal SoC environment. The system includes two
> > > +  PVT sensor instances. The PVT0 monitors the main SoC power domain. The
> > > +  PVT1 sensor monitors the DDR core power domain.
> > > +
> > > +allOf:
> > > +  - $ref: /schemas/hwmon/hwmon-common.yaml#
> > 
> > FYI, including this is kinda pointless because you have the label
> > property defined below and your "additionalProperties: false" blocks
> > shunt-resistor-micro-ohms from being used.
> 
> I plan to keep the $ref: /schemas/hwmon/hwmon-common.yaml in use, change
> the original additionalProperties: false to unevaluatedProperties: false,
> and remove the label definition from our schema since it is already
> provided by hwmon-common.yaml. Could you please confirm if this
> modification conforms to the community standards?

That's fine. Does the shunt resistor property apply on your platform?

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