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timer: imx-gpt: Add timer support for i.MX SoCs family

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This timer driver uses GPT Timer (General Purpose Timer) available on
a lot of i.MX SoCs family. This driver deals with both 24Mhz oscillator
as well as peripheral clock.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
[Giulio: added the driver's stub and handled peripheral clock prescaler
setting making driver to work correctly]
Signed-off-by: Jesse Taube <mr.bossman075@gmail.com>
[Jesse: added init, setting prescaler for 24Mhz support and enabling
timer]
This commit is contained in:
Giulio Benetti
2021-05-13 12:18:31 +02:00
committed by Stefano Babic
parent 55ad612306
commit f8c8573b85
3 changed files with 170 additions and 0 deletions
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drivers/timer/Makefile
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@@ -25,3 +25,4 @@ obj-$(CONFIG_STM32_TIMER) += stm32_timer.o
obj-$(CONFIG_X86_TSC_TIMER) += tsc_timer.o
obj-$(CONFIG_MTK_TIMER) += mtk_timer.o
obj-$(CONFIG_MCHP_PIT64B_TIMER) += mchp-pit64b-timer.o
obj-$(CONFIG_IMX_GPT_TIMER) += imx-gpt-timer.o