Regarding timer on IMX8MM-LPDDR4

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Regarding timer on IMX8MM-LPDDR4

675件の閲覧回数
avikum
Contributor I

Hi, 

According to "i.MX Linux Reference Manual" , i.MX 8M Mini usages system counter timer (driver/clocksource/timer-imx-sysctr.c ), but I couldn't fine any APIs  which I can integrate in our driver , can you let me know the which system counter timer APIs (pls do share the file path) we can use to enable the timer (one shot and periodic  timer)? please do share the developer document regarding timer, if any. 

 

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612件の閲覧回数
avikum
Contributor I

.

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614件の閲覧回数
avikum
Contributor I

we are using 5.15.71 kernel.

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604件の閲覧回数
avikum
Contributor I

Released notes attached for 5.15.71 kernel and BSP version.

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645件の閲覧回数
Rita_Wang
NXP TechSupport
NXP TechSupport

Which version BSP are you using? I will help confirm.

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576件の閲覧回数
avikum
Contributor I
Hi, Can you please update on this ?
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559件の閲覧回数
Rita_Wang
NXP TechSupport
NXP TechSupport

The timers on this chip include:
• One local generic timer integrated into each Cortex-A53 CPU
• Global system counter with timer bus interface to Cortex-A53 MPCore generic
timers
• One local system timer (SysTick) integrated into the Cortex-M4 CPU
• Six general purpose timer (GPT) modules
• Three watchdog timer (WDOG) modules
• Four pulse width modulation (PWM) modules

You can see in our RM

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