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-rw-r--r--dts/Bindings/iio/adc/avia-hx711.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/dts/Bindings/iio/adc/avia-hx711.txt b/dts/Bindings/iio/adc/avia-hx711.txt
index b362940..7222328 100644
--- a/dts/Bindings/iio/adc/avia-hx711.txt
+++ b/dts/Bindings/iio/adc/avia-hx711.txt
@@ -8,11 +8,17 @@ Required properties:
See Documentation/devicetree/bindings/gpio/gpio.txt
- avdd-supply: Definition of the regulator used as analog supply
+Optional properties:
+ - clock-frequency: Frequency of PD_SCK in Hz
+ Minimum value allowed is 10 kHz because of maximum
+ high time of 50 microseconds.
+
Example:
-weight@0 {
+weight {
compatible = "avia,hx711";
sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>;
dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
avdd-suppy = <&avdd>;
+ clock-frequency = <100000>;
};