iio/adc/avia-hx711.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/avia-hx711.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Andreas Klinger <ak@it-klinger.de>
13   Bit-banging driver using two GPIOs:
14   - sck-gpio gives a clock to the sensor with 24 cycles for data retrieval
17   - dout-gpio is the sensor data the sensor responds to the clock
25       - avia,hx711
27   sck-gpios:
29       Definition of the GPIO for the clock (output). In the datasheet it is
33   dout-gpios:
35       Definition of the GPIO for the data-out sent by the sensor in
37       See Documentation/devicetree/bindings/gpio/gpio.txt for information
38       on how to specify a consumer gpio.
41   avdd-supply:
45   clock-frequency:
51   - compatible
52   - sck-gpios
53   - dout-gpios
54   - avdd-supply
59   - |
60     #include <dt-bindings/gpio/gpio.h>
63         sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>;
64         dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
65         avdd-supply = <&avdd>;
66         clock-frequency = <100000>;