From: Lucas Stankus <lucas.p.stankus@gmail.com>
To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org,
gregkh@linuxfoundation.org
Cc: linux-iio@vger.kernel.org, linux-staging@lists.linux.dev,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: staging: iio: cdc: ad7746: add binding documentation for AD7746
Date: Sat, 1 May 2021 09:32:31 -0300 [thread overview]
Message-ID: <2c2f4d486a94e0740e112bfac0d9306bdb7ea69c.1619841953.git.lucas.p.stankus@gmail.com> (raw)
In-Reply-To: <cover.1619841953.git.lucas.p.stankus@gmail.com>
Add device tree binding documentation for AD7746 cdc in YAML format.
Signed-off-by: Lucas Stankus <lucas.p.stankus@gmail.com>
---
.../bindings/iio/cdc/adi,ad7746.yaml | 77 +++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/cdc/adi,ad7746.yaml
diff --git a/Documentation/devicetree/bindings/iio/cdc/adi,ad7746.yaml b/Documentation/devicetree/bindings/iio/cdc/adi,ad7746.yaml
new file mode 100644
index 000000000000..a02036ef9e8d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/cdc/adi,ad7746.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/cdc/adi,ad7746.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
+
+maintainers:
+ - Michael Hennerich <michael.hennerich@analog.com>
+
+description: |
+ AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
+
+ Specifications about the part can be found at:
+ https://www.analog.com/media/en/technical-documentation/data-sheets/ad7291.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,ad7745
+ - adi,ad7746
+ - adi,ad7747
+
+ reg:
+ maxItems: 1
+
+ adi,excitation-vdd-permille:
+ description: |
+ Set VDD per mille to be used as the excitation voltage.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [125, 250, 375, 500]
+
+ adi,exca-output-en:
+ description: Enables the EXCA pin as the excitation output.
+ type: boolean
+
+ adi,exca-output-invert:
+ description: |
+ Inverts the excitation output in the EXCA pin.
+ Normally only one of the EXCX pins would be inverted, check the following
+ application notes for more details
+ https://www.analog.com/media/en/technical-documentation/application-notes/AN-1585.pdf
+ type: boolean
+
+ adi,excb-output-en:
+ description: Enables the EXCB pin as the excitation output.
+ type: boolean
+
+ adi,excb-output-invert:
+ description: Inverts the excitation output in the EXCB pin.
+ type: boolean
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ad7746: cdc@48 {
+ compatible = "adi,ad7746";
+ reg = <0x48>;
+ adi,excitation-vdd-permille = <125>;
+
+ adi,exca-output-en;
+ adi,exca-output-invert;
+ adi,excb-output-en;
+ adi,excb-output-invert;
+ };
+ };
+...
--
2.31.1
next prev parent reply other threads:[~2021-05-01 12:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-01 12:32 [PATCH v3 0/2] staging: iio: cdc: ad7746: add dt properties for capacitive channel setup Lucas Stankus
2021-05-01 12:32 ` Lucas Stankus [this message]
2021-05-06 14:25 ` [PATCH v3 1/2] dt-bindings: staging: iio: cdc: ad7746: add binding documentation for AD7746 Rob Herring
2021-05-01 12:32 ` [PATCH v3 2/2] staging: iio: cdc: ad7746: use dt for capacitive channel setup Lucas Stankus
2021-05-03 10:07 ` Dan Carpenter
2021-05-03 14:44 ` Dan Carpenter
2021-05-02 17:50 ` [PATCH v3 0/2] staging: iio: cdc: ad7746: add dt properties " Jonathan Cameron
2021-05-19 20:59 ` Lucas Stankus
2021-05-21 17:30 ` Jonathan Cameron
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