linux-kernel - RE: [PATCH v2 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver bindings

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Message-ID: <SG2PR04MB5543E22311867ABCD84C1129A1A0A@SG2PR04MB5543.apcprd04.prod.outlook.com>
Date:   Tue, 31 Oct 2023 05:54:48 +0000
From:   Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@...ynn.com>
To:     Conor Dooley <conor@...nel.org>,
        Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@...ynn.com>
CC:     "patrick@...cx.xyz" <patrick@...cx.xyz>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: RE: [PATCH v2 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver
 bindings

> -----Original Message-----
> From: Conor Dooley <conor@...nel.org>
> Sent: Thursday, October 26, 2023 10:26 PM
> To: Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@...ynn.com>
> Cc: patrick@...cx.xyz; Jean Delvare <jdelvare@...e.com>; Guenter Roeck
> <linux@...ck-us.net>; Rob Herring <robh+dt@...nel.org>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@...aro.org>; Conor Dooley <conor+dt@...nel.org>;
> Jonathan Corbet <corbet@....net>; linux-i2c@...r.kernel.org;
> linux-hwmon@...r.kernel.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org; linux-doc@...r.kernel.org
> Subject: Re: [PATCH v2 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver
> bindings
> 
> Hey,
> 
> On Thu, Oct 26, 2023 at 04:15:11PM +0800, Delphine CC Chiu wrote:
> > Add a device tree bindings for ltc4286 driver.
> 
> Bindings are for devices, not for drivers.
> 
> >
> > Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
> >
> > Changelog:
> >   v2 - Revise vrange_select_25p6 to adi,vrange-select-25p6
> >      - Add type for adi,vrange-select-25p6
> >      - Revise rsense-micro-ohms to shunt-resistor-micro-ohms
> > ---
> >  .../bindings/hwmon/lltc,ltc4286.yaml          | 50
> +++++++++++++++++++
> >  MAINTAINERS                                   | 10 ++++
> >  2 files changed, 60 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
> > b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
> > new file mode 100644
> > index 000000000000..17022de657bb
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
> > @@ -0,0 +1,50 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/hwmon/lltc,ltc4286.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: LTC4286 power monitors
> > +
> > +maintainers:
> > +  - Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - lltc,ltc4286
> > +      - lltc,ltc4287
> 
> I don't recall seeing an answer to Guenter about this ltc4287 device:
> https://lore.kernel.org/all/22f6364c-611c-ffb6-451c-9ddc20418d0a@roeck-us.
> net/
> 
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  adi,vrange-select-25p6:
> > +    description:
> > +      This property is a bool parameter to represent the
> > +      voltage range is 25.6 or not for this chip.
> 
> 25.6 what? Volts? microvolts?
25.6 volts

> What about Guenter's suggestion to name this so that it better matches the
> other, similar properties?
> 
> Cheers,
> Conor.