From: David Lechner <dlechner@baylibre.com>
To: Kurt Borja <kuurtb@gmail.com>,
Jonathan Cameron <jic23@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: "Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC 2/3] dt-bindings: iio: adc: Add excitation current sources properties
Date: Sat, 20 Jun 2026 10:55:06 -0500 [thread overview]
Message-ID: <1d4092c4-5d28-4f92-96a5-c337bfd27093@baylibre.com> (raw)
In-Reply-To: <DJD6EB7J90AR.20Z61X02BHAZT@gmail.com>
On 6/19/26 11:44 AM, Kurt Borja wrote:
> On Fri Jun 19, 2026 at 9:27 AM -05, David Lechner wrote:
>> On 6/18/26 7:33 PM, Kurt Borja wrote:
>>> Some ADCs incorporate current sources that provide excitation current to
>>> resistive temperature devices (RTDs), thermistors diodes and other
>>> resistive sensors that require constant current biasing.
>>>
>>> The maxItems constraint of 16 is arbitrary but should be big enough for
>>> most devices.
>>
>> I wouldn't put an arbitrary limit here. The bindings that include it
>> can extend it to add a limit that makes sense instead.
>
> I agree.
>
> This was partly a misunderstanding. I thought -microamp properties fall
> back to uint32 not uint32-array but it's the other way around right?
>
Standard units are uint32-array. Defined in [1].
[1]: https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/property-units.yaml
next prev parent reply other threads:[~2026-06-20 15:55 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-19 0:33 [PATCH RFC 0/3] dt-bindings: iio: adc: Add reference, excitation and burn-out properties Kurt Borja
2026-06-19 0:33 ` [PATCH RFC 1/3] dt-bindings: iio: adc: Add reference-source property Kurt Borja
2026-06-19 14:14 ` Conor Dooley
2026-06-19 16:30 ` Kurt Borja
2026-06-19 14:24 ` David Lechner
2026-06-19 16:42 ` Kurt Borja
2026-06-19 0:33 ` [PATCH RFC 2/3] dt-bindings: iio: adc: Add excitation current sources properties Kurt Borja
2026-06-19 14:27 ` David Lechner
2026-06-19 16:44 ` Kurt Borja
2026-06-20 15:55 ` David Lechner [this message]
2026-06-19 0:33 ` [PATCH RFC 3/3] dt-bindings: iio: adc: Add burn-out current properties Kurt Borja
2026-06-19 14:28 ` David Lechner
2026-06-19 16:46 ` Kurt Borja
2026-06-20 15:57 ` David Lechner
2026-06-21 23:43 ` Kurt Borja
2026-06-19 14:23 ` [PATCH RFC 0/3] dt-bindings: iio: adc: Add reference, excitation and burn-out properties David Lechner
2026-06-19 16:35 ` Kurt Borja
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