1# Copyright (c) 2014-2015 Wind River Systems, Inc. 2# Copyright (c) 2016 Cadence Design Systems, Inc. 3# Copyright (c) 2019 Intel Corp. 4# SPDX-License-Identifier: Apache-2.0 5 6config MCUX_OS_TIMER 7 bool "MCUX OS Event timer" 8 default y 9 depends on DT_HAS_NXP_OS_TIMER_ENABLED 10 select TICKLESS_CAPABLE 11 select TIMER_HAS_64BIT_CYCLE_COUNTER 12 select RESET 13 help 14 This module implements a kernel device driver for the NXP OS 15 event timer and provides the standard "system clock driver" interfaces. 16 17if MCUX_OS_TIMER 18 19config MCUX_OS_TIMER_PM_POWERED_OFF 20 bool "Reinitialize the OS Timer" 21 help 22 OS Timer is turned off in certain low power modes. When this option is 23 picked, OS Timer will take steps to store state and reinitialize on wakeups. 24 25config MCUX_OS_TIMER_MIN_DELAY 26 int "Minimum delay cycles for OS timer match value" 27 default 1000 28 help 29 Timer hardware requires a minimum setup time to reliably trigger 30 interrupts. If a match value is set too close to the current timer 31 count, the hardware may not have enough time to process it. 32 Lower values can improve timing precision but may be less reliable. 33 Higher values provide more safety margin but slightly reduce timing accuracy. 34 35endif # MCUX_OS_TIMER 36