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7f2cb0fd22
zephyr/drivers/timer
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Erwan Gouriou 7f2cb0fd22 drivers: timer: stm32: Specific handling for L0 LSI 
On L0 series, LSI runs at 37KHz while LPTIM driver only supports speeds
up to 32768Hz (to avoid counter overflow). Consequence is a time running
faster than reality (x1.13)
Solution to this is the implementation of the LPTIM prescaler support.

While moving driver configuration from Kconfig to DT, this case was
not taken into account and the effect was LPTIM counter overflow which
consequence is worse than the slightly faster timer.
Reproduce the initial behavior with this piece of code that will be
removed once prescaler support is available.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
2022-09-02 10:41:59 +00:00
..
altera_avalon_timer_hal.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00
apic_timer.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00
apic_tsc.c
arcv2_timer0.c drivers: arc/designware: remove unused <soc.h> 2022-08-03 07:46:14 -04:00
arm_arch_timer.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00
cc13x2_cc26x2_rtc_timer.c
CMakeLists.txt intel_adsp: Unify cavs and ace timers 2022-07-06 15:11:07 -04:00
cortex_m_systick.c
esp32c3_sys_timer.c west.yml: update hal to v4.4.1 base 2022-09-01 21:48:18 +00:00
hpet.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00
intel_adsp_timer.c intel_adsp: rename clock registers due to possible conflict 2022-07-28 14:11:23 -04:00
ite_it8xxx2_timer.c drivers: add mising braces to single line if statements 2022-07-06 11:00:45 -04:00
Kconfig
Kconfig.altera_avalon
Kconfig.apic drivers/timer/apic_tsc: Select the 64-bit cycle counter in deadline mode 2022-07-08 21:59:06 -04:00
Kconfig.arcv2
Kconfig.arm_arch
Kconfig.cavs intel_adsp: Unify cavs and ace timers 2022-07-06 15:11:07 -04:00
Kconfig.cc13x2_cc26x2_rtc
Kconfig.cortex_m_systick
Kconfig.esp32c3_sys
Kconfig.hpet
Kconfig.ite_it8xxx2
Kconfig.leon_gptimer
Kconfig.litex
Kconfig.mchp_xec_rtos
Kconfig.mcux_gpt
Kconfig.mcux_lptmr
Kconfig.mcux_os
Kconfig.mips_cp0
Kconfig.native_posix
Kconfig.npcx_itim
Kconfig.nrf_rtc drivers: timer: Increase default user-allocable channel count to 3 2022-08-19 12:08:59 +02:00
Kconfig.rcar_cmt
Kconfig.riscv_machine
Kconfig.rv32m1_lptmr
Kconfig.sam0_rtc
Kconfig.stm32_lptim drivers/timer: stm32: Enable lptim driver based on dt status 2022-09-02 10:41:59 +00:00
Kconfig.xlnx_psttc
Kconfig.xtensa
leon_gptimer.c
litex_timer.c drivers: use unsigned int for irq_lock() 2022-07-14 14:37:13 -05:00
mchp_xec_rtos_timer.c
mcux_gpt_timer.c
mcux_lptmr_timer.c
mcux_os_timer.c
mips_cp0_timer.c
native_posix_timer.c
npcx_itim_timer.c drivers: timer: check if clock device is ready before accessing 2022-08-09 17:16:16 +02:00
nrf_rtc_timer.c drivers: timer: nrf_rtc_timer: Fix assert conditions 2022-08-05 15:15:34 +02:00
rcar_cmt_timer.c drivers: timer: check if clock device is ready before accessing 2022-08-09 17:16:16 +02:00
riscv_machine_timer.c dts: riscv: gd32vf103: Use IRQ7 for interrupt of riscv_machine_timer 2022-08-10 13:08:27 +02:00
rv32m1_lptmr_timer.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00
sam0_rtc_timer.c drivers: use unsigned int for irq_lock() 2022-07-14 14:37:13 -05:00
stm32_lptim_timer.c drivers: timer: stm32: Specific handling for L0 LSI 2022-09-02 10:41:59 +00:00
sys_clock_init.c
xlnx_psttc_timer_priv.h
xlnx_psttc_timer.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00
xtensa_sys_timer.c drivers: timer: provide timer irq to tests 2022-06-29 10:31:00 +02:00