There is tca9539 gpio expander chip on tx2 dev kit…I can find some gpios registered
gpiochip2: GPIOs 240-255, parent: i2c/0-0074, tca9539, can sleep:
gpio-240 ( |vdd-usb2-5v ) out lo
gpio-241 ( |en-vdd-ts-1v8 ) out lo
gpio-242 ( |en-vdd-ts-hv-3v3 ) out hi
gpio-243 ( |en-vdd-disp-3v3 ) out hi
gpio-244 ( |vdd-fan ) out hi
gpio-247 ( |en-mdm-pwr-3v7 ) out lo
gpio-249 ( |en-vdd-disp-1v8 ) out hi
gpio-250 ( |dis-vdd-1v2 ) out hi
gpio-252 ( |vdd-hdmi ) out hi
gpio-253 ( |en-vdd-cam-hv-2v8 ) out lo
How can I control these gpios on console?