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Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc/avia-hx711.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/avia-hx711.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt b/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt new file mode 100644 index 000000000..7222328a3 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt @@ -0,0 +1,24 @@ +* AVIA HX711 ADC chip for weight cells + Bit-banging driver + +Required properties: + - compatible: Should be "avia,hx711" + - sck-gpios: Definition of the GPIO for the clock + - dout-gpios: Definition of the GPIO for data-out + 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 { + compatible = "avia,hx711"; + sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>; + dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>; + avdd-suppy = <&avdd>; + clock-frequency = <100000>; +}; + |