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STM32MP157f-dk2 PWM input pin

asadullah4571
Associate III

Hi Every One 

i am facing the issue to find the pins of PWM in the (STM32mp157f-dk2 ), i configured the PWM channel in device tree and pwm channel is visible in  /sys/class/pemchip0/pwm , so i need to collect the input from the pins but which pin is connected to PWM i do not know , could you please help me out this.

(this is my my output form the board terminal )
root@stm32mp1:/sys/class/pwm/pwmchip0/pwm0# ls
capture duty_cycle enable period polarity power uevent
root@stm32mp1:/sys/class/pwm/pwmchip0/pwm0#

I Need 
1. how to use pin and which pin i  need to connect 

2. i want to collect the input prom the PWM.
3. and the should be show on the terminal. 

if i am wrong and any thing missing , please correct me 

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