On 6/14/24 04:47, Andy Shevchenko wrote:
On Thu, Jun 13, 2024 at 10:26 AM Hui Wang <hui.wang@xxxxxxxxxxxxx> wrote:
Some boards connect a GPIO to the reset pin, and the reset pin needs
to be setup correctly before accessing the chip.
set up
Got it.
Add a function to handle the chip reset. If the reset-gpios is defined
in the DT, do hardware reset through this GPIO, othwerwise do software
otherwise
Got it.
reset as before.
...
+ /* The minimum reset pulse width is 3 us. */
+ usleep_range(5, 10);
Simply use fsleep() and it will take care of the sane API to be called.
OK, Thanks.
+ gpiod_set_value_cansleep(reset_gpio, 0); /* Deassert GPIO */
