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LPIT Support on Zephyr #93167

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LPIT Support on Zephyr #93167

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50db653
LPIT Support on Zephyr
FelixWang47831 Jul 16, 2025
ffcc8e4
Update rt118x devicetree to add lpit peripheral information
FelixWang47831 Jul 16, 2025
30207d7
Enable LPIT for rt118x devices
FelixWang47831 Jul 16, 2025
f0b1a8a
Add counter_nxp_lpit_api test case and enable test for mimxrt1180_evk
FelixWang47831 Jul 16, 2025
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20 changes: 19 additions & 1 deletion drivers/clock_control/clock_control_mcux_ccm_rev2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -256,7 +256,25 @@ static int mcux_ccm_get_subsys_rate(const struct device *dev,
clock_root = kCLOCK_Root_Bus + instance;
break;
#endif

#ifdef CONFIG_COUNTER_MCUX_LPIT
#if defined(CONFIG_SOC_SERIES_IMXRT118X)
case IMX_CCM_LPIT_CLK:
switch (instance) {
case 0:
clock_root = kCLOCK_Root_Bus_Aon;
break;
case 1:
clock_root = kCLOCK_Root_Bus_Wakeup;
break;
case 2:
clock_root = kCLOCK_Root_Lpit3;
break;
default:
return -EINVAL;
}
break;
#endif
#endif
#ifdef CONFIG_ADC_MCUX_LPADC
case IMX_CCM_LPADC1_CLK:
clock_root = kCLOCK_Root_Adc1 + instance;
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1 change: 1 addition & 0 deletions drivers/counter/CMakeLists.txt
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Expand Up @@ -33,6 +33,7 @@ zephyr_library_sources_ifdef(CONFIG_COUNTER_MCUX_SNVS counter_mcux_snv
zephyr_library_sources_ifdef(CONFIG_COUNTER_MCUX_TPM counter_mcux_tpm.c)
zephyr_library_sources_ifdef(CONFIG_COUNTER_XEC counter_mchp_xec.c)
zephyr_library_sources_ifdef(CONFIG_COUNTER_MCUX_LPTMR counter_mcux_lptmr.c)
zephyr_library_sources_ifdef(CONFIG_COUNTER_MCUX_LPIT counter_mcux_lpit.c)
zephyr_library_sources_ifdef(CONFIG_COUNTER_MAXIM_DS3231 maxim_ds3231.c)
zephyr_library_sources_ifdef(CONFIG_COUNTER_NATIVE_SIM counter_native_sim.c)
zephyr_library_sources_ifdef(CONFIG_USERSPACE counter_handlers.c)
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2 changes: 2 additions & 0 deletions drivers/counter/Kconfig
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Expand Up @@ -70,6 +70,8 @@ source "drivers/counter/Kconfig.xec"

source "drivers/counter/Kconfig.mcux_lptmr"

source "drivers/counter/Kconfig.mcux_lpit"

source "drivers/counter/Kconfig.maxim_ds3231"

source "drivers/counter/Kconfig.native_sim"
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11 changes: 11 additions & 0 deletions drivers/counter/Kconfig.mcux_lpit
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
# Copyright 2025 NXP
# SPDX-License-Identifier: Apache-2.0

# MCUXpresso SDK Low Power Periodic Interrupt Timer (LPIT)
config COUNTER_MCUX_LPIT
bool "NXP LPIT driver"
default y
depends on DT_HAS_NXP_LPIT_CHANNEL_ENABLED && \
DT_HAS_NXP_LPIT_ENABLED
help
Enable support for the NXP Low Power Periodic Interrupt Timer (LPIT).
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