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[2a02:842a:d52e:6101:6fd0:6c4:5d68:f0a5]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43aba549d6asm23747965e9.36.2025.02.26.06.50.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Feb 2025 06:50:22 -0800 (PST) From: Julien Stephan Date: Wed, 26 Feb 2025 15:50:03 +0100 Subject: [PATCH 1/3] iio: adc: ad7380: add adaq4381-4 support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250226-ad7380-add-adaq4381-4-support-v1-1-f350ab872d37@baylibre.com> References: <20250226-ad7380-add-adaq4381-4-support-v1-0-f350ab872d37@baylibre.com> In-Reply-To: <20250226-ad7380-add-adaq4381-4-support-v1-0-f350ab872d37@baylibre.com> To: Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , David Lechner , Lars-Peter Clausen , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Michael Hennerich , Julien Stephan X-Mailer: b4 0.14.2 adaq4381-4 is the 14 bits version of adaq4380-1 chip. Add support for it. Signed-off-by: Julien Stephan Reviewed-by: David Lechner --- drivers/iio/adc/ad7380.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c index f232ad1a49634baeedc655916bc7a967604a1206..407930f1f5dd107154a6c34c6af= d4429ebb69826 100644 --- a/drivers/iio/adc/ad7380.c +++ b/drivers/iio/adc/ad7380.c @@ -15,6 +15,7 @@ * ad7386/7/8-4 : https://www.analog.com/media/en/technical-documentation/= data-sheets/ad7386-4-7387-4-7388-4.pdf * adaq4370-4 : https://www.analog.com/media/en/technical-documentation/da= ta-sheets/adaq4370-4.pdf * adaq4380-4 : https://www.analog.com/media/en/technical-documentation/da= ta-sheets/adaq4380-4.pdf + * adaq4381-4 : https://www.analog.com/media/en/technical-documentation/da= ta-sheets/adaq4381-4.pdf */ =20 #include @@ -287,6 +288,7 @@ DEFINE_AD7380_2_CHANNEL(ad7381_channels, 14, 1, s); DEFINE_AD7380_4_CHANNEL(ad7380_4_channels, 16, 1, s); DEFINE_AD7380_4_CHANNEL(ad7381_4_channels, 14, 1, s); DEFINE_ADAQ4380_4_CHANNEL(adaq4380_4_channels, 16, 1, s); +DEFINE_ADAQ4380_4_CHANNEL(adaq4381_4_channels, 14, 1, s); /* pseudo differential */ DEFINE_AD7380_2_CHANNEL(ad7383_channels, 16, 0, s); DEFINE_AD7380_2_CHANNEL(ad7384_channels, 14, 0, s); @@ -599,6 +601,19 @@ static const struct ad7380_chip_info adaq4380_4_chip_i= nfo =3D { .timing_specs =3D &ad7380_4_timing, }; =20 +static const struct ad7380_chip_info adaq4381_4_chip_info =3D { + .name =3D "adaq4381-4", + .channels =3D adaq4381_4_channels, + .num_channels =3D ARRAY_SIZE(adaq4381_4_channels), + .num_simult_channels =3D 4, + .supplies =3D adaq4380_supplies, + .num_supplies =3D ARRAY_SIZE(adaq4380_supplies), + .adaq_internal_ref_only =3D true, + .has_hardware_gain =3D true, + .available_scan_masks =3D ad7380_4_channel_scan_masks, + .timing_specs =3D &ad7380_4_timing, +}; + struct ad7380_state { const struct ad7380_chip_info *chip_info; struct spi_device *spi; @@ -1582,6 +1597,7 @@ static const struct of_device_id ad7380_of_match_tabl= e[] =3D { { .compatible =3D "adi,ad7388-4", .data =3D &ad7388_4_chip_info }, { .compatible =3D "adi,adaq4370-4", .data =3D &adaq4370_4_chip_info }, { .compatible =3D "adi,adaq4380-4", .data =3D &adaq4380_4_chip_info }, + { .compatible =3D "adi,adaq4381-4", .data =3D &adaq4381_4_chip_info }, { } }; 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Add support for it. Signed-off-by: Julien Stephan Acked-by: Rob Herring (Arm) Reviewed-by: David Lechner --- Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml b/Do= cumentation/devicetree/bindings/iio/adc/adi,ad7380.yaml index ada08005b3cd1ce7ba13f96484a33fdee0e83a1c..ff4f5c21c5482b77ee2774b01ad= 6d426e68cf207 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml @@ -27,6 +27,7 @@ description: | * https://www.analog.com/en/products/ad7388-4.html * https://www.analog.com/en/products/adaq4370-4.html * https://www.analog.com/en/products/adaq4380-4.html + * https://www.analog.com/en/products/adaq4381-4.html =20 =20 $ref: /schemas/spi/spi-peripheral-props.yaml# @@ -50,6 +51,7 @@ properties: - adi,ad7388-4 - adi,adaq4370-4 - adi,adaq4380-4 + - adi,adaq4381-4 =20 reg: maxItems: 1 @@ -201,6 +203,7 @@ allOf: - adi,ad7380-4 - adi,adaq4370-4 - adi,adaq4380-4 + - adi,adaq4381-4 then: properties: refio-supply: false @@ -218,6 +221,7 @@ allOf: enum: - adi,adaq4370-4 - adi,adaq4380-4 + - adi,adaq4381-4 then: required: - vs-p-supply --=20 2.47.1 From nobody Fri Dec 19 03:46:19 2025 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63A0B2222D3 for ; 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[2a02:842a:d52e:6101:6fd0:6c4:5d68:f0a5]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43aba549d6asm23747965e9.36.2025.02.26.06.50.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Feb 2025 06:50:24 -0800 (PST) From: Julien Stephan Date: Wed, 26 Feb 2025 15:50:05 +0100 Subject: [PATCH 3/3] docs: iio: ad7380: add adaq4381-4 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250226-ad7380-add-adaq4381-4-support-v1-3-f350ab872d37@baylibre.com> References: <20250226-ad7380-add-adaq4381-4-support-v1-0-f350ab872d37@baylibre.com> In-Reply-To: <20250226-ad7380-add-adaq4381-4-support-v1-0-f350ab872d37@baylibre.com> To: Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , David Lechner , Lars-Peter Clausen , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Michael Hennerich , Julien Stephan X-Mailer: b4 0.14.2 adaq4381-4 is the 14 bits version of adaq4380-1 chip. Add it to the documentation. Signed-off-by: Julien Stephan Reviewed-by: David Lechner --- Documentation/iio/ad7380.rst | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/iio/ad7380.rst b/Documentation/iio/ad7380.rst index cff688bcc2d9601a9faf42d5e9c217486639ca66..35232a0e3ad730c19b5201b7428= 0bdb6deaa9667 100644 --- a/Documentation/iio/ad7380.rst +++ b/Documentation/iio/ad7380.rst @@ -29,6 +29,7 @@ The following chips are supported by this driver: * `AD7388-4 `_ * `ADAQ4370-4 `_ * `ADAQ4380-4 `_ +* `ADAQ4381-4 `_ =20 =20 Supported features @@ -52,8 +53,8 @@ declared in the device tree as ``refin-supply``. ADAQ devices ~~~~~~~~~~~~ =20 -adaq4370-4 and adaq4380-4 don't have an external reference, but use a 3.3V -internal reference derived from one of its supplies (``refin-supply``) +ADAQ devices don't have an external reference, but use a 3.3V internal ref= erence +derived from one of its supplies (``refin-supply``) =20 All other devices from ad738x family ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --=20 2.47.1