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authorDavid Lechner <david@lechnology.com>2017-01-11 11:52:49 -0600
committerJonathan Cameron <jic23@kernel.org>2017-01-15 13:50:06 +0000
commit0287c8d24bd70dc4f2d07829cfc1839deca76416 (patch)
treebd0f72bfc0864dfda104fcae3d8b767ae6c37733 /Documentation
parente2eb179c0031b8cd172d8a7869451ff57184388b (diff)
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DT/bindings: Add bindings for TI ADS7950 A/DC chips
This adds device tree bindings for the TI ADS7950 family of A/DC chips. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt23
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diff --git a/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt b/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt
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+* Texas Instruments ADS7950 family of A/DC chips
+
+Required properties:
+ - compatible: Must be one of "ti,ads7950", "ti,ads7951", "ti,ads7952",
+ "ti,ads7953", "ti,ads7954", "ti,ads7955", "ti,ads7956", "ti,ads7957",
+ "ti,ads7958", "ti,ads7959", "ti,ads7960", or "ti,ads7961"
+ - reg: SPI chip select number for the device
+ - #io-channel-cells: Must be 1 as per ../iio-bindings.txt
+ - vref-supply: phandle to a regulator node that supplies the 2.5V or 5V
+ reference voltage
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+ Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Example:
+adc@0 {
+ compatible = "ti,ads7957";
+ reg = <0>;
+ #io-channel-cells = <1>;
+ vref-supply = <&refin_supply>;
+ spi-max-frequency = <10000000>;
+};
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