These bindings can be used to register Holt HI-8435/8436/8437 descrete ADC
Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
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.../devicetree/bindings/iio/adc/hi-843x.txt | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/hi-843x.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/hi-843x.txt b/Documentation/devicetree/bindings/iio/adc/hi-843x.txt
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+Holt Integrated Circuits HI-8435/8436/8437 discrete ADC bindings
+
+Required properties:
+ - compatible: Should be "holt,hi-8435" or "holt,hi-8436" or "holt,hi-8437"
+ - reg: spi chip select number for the device
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+ Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Optional properties:
+ - holt,mr-gpio: GPIO used for controlling the MR (chip reset) pin
+ - holt,debounce-soft: enable software debounce at startup
+ - holt,debounce-soft-delay: software debounce interval in milliseconds
+
+Example:
+adc@0 {
+ compatible = "holt,hi-8435";
+ reg = <0>;
+
+ holt,mr-gpio = <&gpio6 1 0>;
+
+ holt,debounce-soft;
+ holt,debounce-soft-delay = <100>;
+
+ spi-max-frequency = <1000000>;
+};
--
1.9.1
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