I have a requirement where I need to pull down the GPIO for 5 milliseconds. The GPIO is connected to a chip reset pin. As per the requirement I need to reset the chip. To reset the chip we need to give 5 milliseconds low pulse on the reset pin. There is no driver for the chip. Can anyone guide me anywhere in the kernel source where a similar kind of requirement requirement was implemented or any inputs we can add this gpio number parsing from dts and delay to generate low pulse.
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