From: Rob Herring <robh@kernel.org>
To: Ibtsam Ul-Haq <ibtsam.haq.0x01@gmail.com>
Cc: jic23@kernel.org, Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Mark Rutland <mark.rutland@arm.com>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] dt-bindings: iio: Add bindings for TI TLA202x ADCs
Date: Thu, 28 Mar 2019 13:38:42 -0500 [thread overview]
Message-ID: <20190328183842.GA9079@bogus> (raw)
In-Reply-To: <1553608583-29006-2-git-send-email-ibtsam.haq.0x01@gmail.com>
On Tue, Mar 26, 2019 at 02:56:20PM +0100, Ibtsam Ul-Haq wrote:
> This adds devicetree bindings for TI TLA202x ADCs.
>
> Signed-off-by: Ibtsam Ul-Haq <ibtsam.haq.0x01@gmail.com>
> ---
> .../devicetree/bindings/iio/adc/ti-tla2024.txt | 45 ++++++++++++++++++++++
> 1 file changed, 45 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/ti-tla2024.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/ti-tla2024.txt b/Documentation/devicetree/bindings/iio/adc/ti-tla2024.txt
> new file mode 100644
> index 0000000..a4934df
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/ti-tla2024.txt
> @@ -0,0 +1,45 @@
> +Texas Instruments' TLA2021/TLA2022/TLA2024 12-bit ADC driver
> +
> +Required properties:
> +
> +- compatible: should be one of:
> + "ti,tla2024"
> + "ti,tla2022"
> + "ti,tla2021"
> +
> +- reg: should contain the I2C Address of the device
> +
> +Required subnodes:
> +
> +The ADC channels are configured as subnodes of the ADC.
> +The channels can be single-ended or differential, the input pins are
> +also set in the subnode.
> +
> +Possible channels in TLA2024:
> + single: <0>, <1>, <2>, <3>
> + differential: <0 1>, <0 3>, <1 3>, <2 3>
> +
> +In TLA2021/TLA2022 only the differential channel <0 1> is allowed.
> +
> +Example:
> +
> +tla2024_0: adc0@49 {
adc@49
> + compatible = "ti,tla2024";
> + reg = <0x49>;
> +
> + v0@0 {
Unit-address without 'reg' is not valid.
> + single-channel = <0>;
Look at the common adc binding or adi,ad7124.txt for how to do
multi-channel with differential channels.
> + };
> +
> + v1@1 {
> + single-channel = <1>;
> + };
> +
> + v23@2 {
> + diff-channels = <2 3>;
> + };
> +
> + v01@3 {
> + diff-channels = <0 1>;
> + };
> +};
> --
> 2.7.4
>
next prev parent reply other threads:[~2019-03-28 18:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-26 13:56 [PATCH v3 1/2] iio: Add driver for TLA202x ADCs Ibtsam Ul-Haq
2019-03-26 13:56 ` [PATCH v3 2/2] dt-bindings: iio: Add bindings for TI " Ibtsam Ul-Haq
2019-03-28 18:38 ` Rob Herring [this message]
2019-03-30 15:58 ` Jonathan Cameron
2019-03-30 16:00 ` [PATCH v3 1/2] iio: Add driver for " Jonathan Cameron
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