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dt-bindings: iio: adc: hx711: add RATE GPIO property

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Document the optional RATE pin GPIO used to select the HX711 output
data rate.

Update the example to show the property in use.

Signed-off-by: Piyush Patle <piyushpatle228@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Piyush Patle 2026-06-04 00:18:51 +05:30 committed by Jonathan Cameron
parent fb57b5cdfb
commit 15842186c3
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
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@ -46,6 +46,13 @@ properties:
one channel monitors the DVDD-AVDD difference for battery level
detection.
rate-gpios:
description:
GPIO connected to the RATE pin. When driven low the output data
rate is 10 SPS; when driven high it is 80 SPS. If omitted the
RATE pin state is determined by the board wiring.
maxItems: 1
clock-frequency:
description:
Controls the SCK bit-bang timing. The value is used to derive the
@ -70,6 +77,7 @@ examples:
compatible = "avia,hx711";
sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>;
dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
rate-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
avdd-supply = <&avdd>;
clock-frequency = <100000>;
};