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From: Jonathan Cameron <jic23@kernel.org>
To: Olivier Moysan <olivier.moysan@st.com>
Cc: <robh+dt@kernel.org>, <mark.rutland@arm.com>, <knaack.h@gmx.de>,
	<lars@metafoo.de>, <devicetree@vger.kernel.org>,
	<linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<pmeerw@pmeerw.net>, <linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/4] dt-bindings: iio: adc: sd modulator: add vref support
Date: Sat, 8 Feb 2020 16:04:54 +0000
Message-ID: <20200208160454.0f153bfb@archlinux> (raw)
In-Reply-To: <20200204101008.11411-2-olivier.moysan@st.com>

On Tue, 4 Feb 2020 11:10:05 +0100
Olivier Moysan <olivier.moysan@st.com> wrote:

> Add vref supply support to sigma delta modulator.
> 
> Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
> ---
>  .../devicetree/bindings/iio/adc/sigma-delta-modulator.yaml    | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml
> index a390343d0c2a..2afe0765e971 100644
> --- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml
> @@ -8,6 +8,7 @@ title: Device-Tree bindings for sigma delta modulator
>  
>  maintainers:
>    - Arnaud Pouliquen <arnaud.pouliquen@st.com>
> +  - Olivier Moysan <olivier.moysan@st.com>
>  
>  properties:
>    compatible:
> @@ -21,6 +22,9 @@ properties:
>    '#io-channel-cells':
>      const: 0
>  
> +  vref-supply:
> +    description: Phandle to the vref input analog reference voltage.
I note this in review of patch 2 but in general I'm not sure we should
be introducing this for generic devices.   It's fine if we have an
explicit compatible but there is no reason to assume a generic sd-modulator
uses an external reference.

Jonathan

> +
>  required:
>    - compatible
>    - '#io-channel-cells'


  parent reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-04 10:10 [PATCH 0/4] iio: adc: stm32-dfsdm: add scale and offset support Olivier Moysan
2020-02-04 10:10 ` [PATCH 1/4] dt-bindings: iio: adc: sd modulator: add vref support Olivier Moysan
2020-02-06 19:08   ` Rob Herring
2020-02-08 16:04   ` Jonathan Cameron [this message]
2020-02-11 15:24     ` Olivier MOYSAN
2020-02-04 10:10 ` [PATCH 2/4] iio: adc: sd modulator: add scale support Olivier Moysan
2020-02-08 16:03   ` Jonathan Cameron
2020-02-11 15:22     ` Olivier MOYSAN
2020-02-04 10:10 ` [PATCH 3/4] iio: adc: stm32-dfsdm: use resolution define Olivier Moysan
2020-02-04 10:10 ` [PATCH 4/4] iio: adc: stm32-dfsdm: add scale and offset support Olivier Moysan
2020-02-08 16:18   ` Jonathan Cameron
2020-02-11 15:19     ` Olivier MOYSAN
2020-02-14 13:11       ` Jonathan Cameron
2020-02-14 14:49         ` Olivier MOYSAN
2020-02-14 15:10           ` Jonathan Cameron

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