HX711 probe failed

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Dear All,
I am using Beaglebone green running linux 4.12.0-dirty.
I am trying to get HX117 adc work. I am facing some issues.

I am getting this error

hx711-gpio: probe of weight@0 failed with error -22
…
[ 1.926416] hx711-gpio weight@0: GPIO lookup for consumer sck
[ 1.932575] hx711-gpio weight@0: using device tree for GPIO lookup
[ 1.939397] of_get_named_gpiod_flags: parsed ‘sck-gpios’ property of node ‘/weight@0[0]’ - status (0)
[ 1.949245] hx711-gpio weight@0: GPIO lookup for consumer dout
[ 1.955341] hx711-gpio weight@0: using device tree for GPIO lookup
[ 1.961894] of_get_named_gpiod_flags: parsed ‘dout-gpios’ property of node ‘/weight@0[0]’ - status (0)
[ 1.971735] hx711-gpio weight@0: weight@0 supply avdd not found, using dummy regulator
[ 1.985324] mmcblk0: mmc0:0001 SD 7.32 GiB
[ 1.994758] mmcblk0: p1 p2
[ 2.002936] hx711-gpio: probe of weight@0 failed with error -22
…

My device tree:

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