Messages in this thread Patch in this message | | | From | Hernán Gonzalez <> | Subject | [PATCH 09/11] staging: iio: ad7746: Add devicetree bindings documentation | Date | Wed, 21 Mar 2018 11:28:57 -0300 |
| |
Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar> --- .../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; + }; +}; -- 2.7.4
| |