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Date:   Sun, 2 Dec 2018 14:57:12 -0200
From:   Marcelo Schmitt <marcelo.schmitt1@gmail.com>
To:     lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org,
        knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org
Cc:     linux-iio@vger.kernel.org, devel@driverdev.osuosl.org,
        linux-kernel@vger.kernel.org, kernel-usp@googlegroups.com
Subject: [PATCH] staging: iio: ad5933: add binding doc for ad5933
Message-ID: <20181202165712.t6pd6ygq57llf2lr@smtp.gmail.com>
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Add a devicetree documentation for the ad5933 and ad5934 impedance
converter, network analyzer.

Co-Developed-by: Gabriel Capella <gabriel@capella.pro>

Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Gabriel Capella <gabriel@capella.pro>
---
 .../iio/impedance-analyzer/ad5933.txt         | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/impedance-analyzer/ad5933.txt

diff --git a/Documentation/devicetree/bindings/iio/impedance-analyzer/ad5933.txt b/Documentation/devicetree/bindings/iio/impedance-analyzer/ad5933.txt
new file mode 100644
index 000000000000..d9ae2babf016
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/impedance-analyzer/ad5933.txt
@@ -0,0 +1,23 @@
+Analog Devices AD5933/AD5934 Impedance Converter, Network Analyzer
+
+https://www.analog.com/media/en/technical-documentation/data-sheets/AD5933.pdf
+https://www.analog.com/media/en/technical-documentation/data-sheets/AD5934.pdf
+
+Required properties:
+ - compatible : should be one of
+		"adi,ad5933"
+		"adi,ad5934"
+ - reg : the I2C address
+ - vdd-supply : supply reference for the device.
+
+Optional properties:
+ - vref_mv : default voltage reference.
+ - ext_clk_hz : external master clock for the system.
+
+Example:
+
+	impedance-analyzer@0d {
+		compatible = "adi,ad5933";
+		reg = <0x0d>;
+		vdd-supply = <&vdd_supply>;
+	};
-- 
2.17.1