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Wed, 21 Mar 2018 07:30:31 -0700 (PDT) From: =?UTF-8?q?Hern=C3=A1n=20Gonzalez?= To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, knaack.h@gmx.de, pmeerw@pmeerw.net, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, hernan@vanguardiasur.com.ar Subject: [PATCH 09/11] staging: iio: ad7746: Add devicetree bindings documentation Date: Wed, 21 Mar 2018 11:28:57 -0300 Message-Id: <1521642539-4845-10-git-send-email-hernan@vanguardiasur.com.ar> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1521642539-4845-1-git-send-email-hernan@vanguardiasur.com.ar> References: <1521642539-4845-1-git-send-email-hernan@vanguardiasur.com.ar> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Hernán Gonzalez --- .../devicetree/bindings/staging/iio/cdc/ad7746.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt diff --git a/Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt b/Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt new file mode 100644 index 0000000..13d0056 --- /dev/null +++ b/Documentation/devicetree/bindings/staging/iio/cdc/ad7746.txt @@ -0,0 +1,32 @@ +Analog Devices AD7746/5/7 capacitive sensor driver + +Required properties: + - compatible: Should be one of + * "adi,ad7745": When using the AD7745 device + * "adi,ad7746": When using the AD7746 device + * "adi,ad7747": When using the AD7747 device + - reg: The 7-bits long I2c address of the device + +Optional properties: + - adi,exclvl: 0 = +-VDD/8 + 1 = +-VDD/4 + 2 = +-VDD * 3/8 + 3 = +-VDD/2 (Default) + - adi,nexca_en: Invert excitation output A. + - adi,nexcb_en: Invert excitation output B. + +Example: +Here exclvl would be 1 (VDD/4), Excitation pin A would be inverted and +Excitation pin B would NOT be inverted. + +i2c2 { + + < . . . > + + ad7746: ad7746@60 { + compatible = "ad7746"; + reg = <0x60>; + adi,exclvl = <1>; + adi,nexca_en; + }; +};