Re: [RESEND PATCH 1/2] gpio: 104-dio-48e: Add Counter/Timer support

From: Bartosz Golaszewski
Date: Thu Jul 27 2023 - 03:45:33 EST


On Thu, Jul 20, 2023 at 8:50 PM William Breathitt Gray
<william.gray@xxxxxxxxxx> wrote:
>
> The 104-DIO-48E features an 8254 Counter/Timer chip providing three
> counter/timers which can be used for frequency measurement, frequency
> output, pulse width modulation, pulse width measurement, event count,
> etc. The counter/timers use the same addresses as PPI 0 (addresses 0x0
> to 0x3), so a raw_spinlock_t is used to synchronize operations between
> the two regmap mappings to prevent clobbering.
>
> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Signed-off-by: William Breathitt Gray <william.gray@xxxxxxxxxx>
> ---

Applied, thanks!

Bart