From: Nicolin Chen <nicoleotsuka@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: jdelvare@suse.com, robh+dt@kernel.org, mark.rutland@arm.com,
corbet@lwn.net, afd@ti.com, linux-hwmon@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: hwmon: Add ina3221 documentation
Date: Sat, 22 Sep 2018 11:03:48 -0700 [thread overview]
Message-ID: <20180922180348.GA9092@Asurada> (raw)
In-Reply-To: <3c117b80-f671-1e57-6eab-3d9801b4b889@roeck-us.net>
> >+2) child nodes
> >+ The names of child nodes should indicate input source names
> >+
> >+ Required properties:
> >+ - input-id: Must be 1, 2 or 3
> >+
> >+ Optional properties:
> >+ - shunt-resistor: Shunt resistor value in micro-Ohm
> >+ - status: Should be "disabled" if no input source
> >+
> >+ Example:
> >+
> >+ input1 {
> >+ input-id = <0x1>;
> >+ status = "disabled";
> >+ };
> >+ VDD_GPU {
> >+ input-id = <0x2>;
> >+ shunt-resistor = <5000>;
> >+ };
> >
>
> Using child nodes is a good idea. However, you are converting the node name into
> the hwmon 'label' attribute which I can not accept. First, it is undocumented,
> second, it effectively creates an undocumented property (if one wants to configure
> the shunt resistor value, one has to configure a child node which is converted
> into a label), and third, it violates the hwmon ABI ('input1' is not a "hint
> about what this voltage channel is being used for").
Oh. I see the point here now. Then a child name could be just input[123],
and I will add a separate optional child property to indicate the label.
Will fix it in next ver.
Thanks
Nicolin
next prev parent reply other threads:[~2018-09-22 18:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 22:32 [PATCH v3 0/2] Add an initial DT binding doc for ina3221 Nicolin Chen
2018-09-21 22:32 ` [PATCH v3 1/2] dt-bindings: hwmon: Add ina3221 documentation Nicolin Chen
2018-09-22 12:38 ` Guenter Roeck
2018-09-22 18:03 ` Nicolin Chen [this message]
2018-09-22 23:56 ` Guenter Roeck
2018-09-21 22:32 ` [PATCH v3 2/2] hwmon: ina3221: Read channel input source info from DT Nicolin Chen
2018-09-22 12:50 ` Guenter Roeck
2018-09-22 18:46 ` Nicolin Chen
2018-09-22 23:59 ` Guenter Roeck
2018-09-23 0:38 ` Nicolin Chen
2018-09-23 0:50 ` Nicolin Chen
2018-09-23 2:07 ` Guenter Roeck
2018-09-23 3:33 ` Nicolin Chen
2018-09-23 3:39 ` Nicolin Chen
2018-09-23 5:25 ` Guenter Roeck
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