From: Beniamin Bia <beniamin.bia@analog.com>
To: <jic23@kernel.org>
Cc: <lars@metafoo.de>, <Michael.Hennerich@analog.com>,
<pmeerw@pmeerw.net>, <linux-iio@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <biabeniamin@outlook.com>,
<knaack.h@gmx.de>, <robh+dt@kernel.org>, <mark.rutland@arm.com>,
<devicetree@vger.kernel.org>,
Michael Hennerich <michael.hennerich@analog.com>,
Beniamin Bia <beniamin.bia@analog.com>
Subject: [PATCH v5 4/5] dt-bindings: iio: amplifiers: Add docs for HMC425A Step Attenuator
Date: Thu, 6 Feb 2020 17:11:48 +0200 [thread overview]
Message-ID: <20200206151149.32122-4-beniamin.bia@analog.com> (raw)
In-Reply-To: <20200206151149.32122-1-beniamin.bia@analog.com>
From: Michael Hennerich <michael.hennerich@analog.com>
Document support for Analog Devices MC425A Step Attenuator.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
---
Changes in v5:
-minItems added for ctrl_gpios
.../bindings/iio/amplifiers/adi,hmc425a.yaml | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
new file mode 100644
index 000000000000..1c6d49685e9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/amplifiers/adi,hmc425a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HMC425A 6-bit Digital Step Attenuator
+
+maintainers:
+- Michael Hennerich <michael.hennerich@analog.com>
+- Beniamin Bia <beniamin.bia@analog.com>
+
+description: |
+ Digital Step Attenuator IIO device with gpio interface.
+ HMC425A 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz
+ https://www.analog.com/media/en/technical-documentation/data-sheets/hmc425A.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,hmc425a
+
+ vcc-supply: true
+
+ ctrl-gpios:
+ description:
+ Must contain an array of 6 GPIO specifiers, referring to the GPIO pins
+ connected to the control pins V1-V6.
+ minItems: 6
+ maxItems: 6
+
+required:
+ - compatible
+ - ctrl-gpios
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ gpio_hmc425a: hmc425a {
+ compatible = "adi,hmc425a";
+ ctrl-gpios = <&gpio 40 GPIO_ACTIVE_HIGH>,
+ <&gpio 39 GPIO_ACTIVE_HIGH>,
+ <&gpio 38 GPIO_ACTIVE_HIGH>,
+ <&gpio 37 GPIO_ACTIVE_HIGH>,
+ <&gpio 36 GPIO_ACTIVE_HIGH>,
+ <&gpio 35 GPIO_ACTIVE_HIGH>;
+ vcc-supply = <&foo>;
+ };
+...
--
2.17.1
next prev parent reply other threads:[~2020-02-06 15:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-06 15:11 [PATCH v5 1/5] iio: core: Handle 'dB' suffix in core Beniamin Bia
2020-02-06 15:11 ` [PATCH v5 2/5] iio: amplifiers: ad8366: Add write_raw_get_fmt function Beniamin Bia
2020-02-14 14:05 ` Jonathan Cameron
2020-02-06 15:11 ` [PATCH v5 3/5] iio: amplifiers: hmc425a: Add support for HMC425A attenuator Beniamin Bia
2020-02-14 14:09 ` Jonathan Cameron
2020-02-20 12:32 ` Bia, Beniamin
2020-03-08 17:31 ` Jonathan Cameron
2020-02-06 15:11 ` Beniamin Bia [this message]
2020-02-06 21:34 ` [PATCH v5 4/5] dt-bindings: iio: amplifiers: Add docs for HMC425A Step Attenuator Rob Herring
2020-02-14 14:14 ` Jonathan Cameron
2020-02-06 15:11 ` [PATCH v5 5/5] MAINTAINERS: add entry for hmc425a driver Beniamin Bia
2020-02-14 14:14 ` Jonathan Cameron
2020-02-14 14:04 ` [PATCH v5 1/5] iio: core: Handle 'dB' suffix in core Jonathan Cameron
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