soc: stm32f7: add power management support #99157
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JarmouniA
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JarmouniA
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Adds low-power mode support for STM32F7 series Implements basic sleep and stop modes integrated with the power management subsystem, similar to the STM32F4 implementation. Added Mode: STOP low-power mode, exposed as Zephyr PM state "suspend-to-idle". Tested on: NUCLEO-F722ZE board. Signed-off-by: Roy Jamil <roy.jamil@ac6.fr>
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erwango
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Nov 13, 2025
| compatible = "arm,armv7m-mpu"; | ||
| reg = <0xe000ed90 0x40>; | ||
| }; | ||
| }; |
erwango
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Nov 13, 2025
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| power-states { | ||
| stop: stop { | ||
| compatible = "zephyr,power-state"; | ||
| power-state-name = "suspend-to-idle"; | ||
| min-residency-us = <400>; | ||
| exit-latency-us = <300>; | ||
| }; |
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@erwango If there are missing }; the dts-linter would complain so I do not believe we have any missing };
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It's rather the indentation that is fuzzy. Indeed compiling this DTS is valid. But CI DTS linter compliance test obviously complains.
erwango
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Nov 13, 2025
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| #include <stm32f7xx_ll_bus.h> | ||
| #include <stm32f7xx_ll_cortex.h> | ||
| #include <stm32f7xx_ll_pwr.h> | ||
| #include <stm32f7xx.h> |
etienne-lms
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Nov 14, 2025
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| #include <zephyr/drivers/clock_control/stm32_clock_control.h> | ||
| #include <zephyr/drivers/counter.h> | ||
| #include <zephyr/drivers/interrupt_controller/gic.h> | ||
| #include <zephyr/kernel.h> | ||
| #include <zephyr/logging/log.h> | ||
| #include <zephyr/pm/pm.h> | ||
| #include <zephyr/init.h> |
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Suggestion
-#include <zephyr/drivers/clock_control/stm32_clock_control.h>
-#include <zephyr/drivers/counter.h>
-#include <zephyr/drivers/interrupt_controller/gic.h>
#include <zephyr/kernel.h>
#include <zephyr/logging/log.h>
#include <zephyr/pm/pm.h>
-#include <zephyr/init.h>
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| power-states { | ||
| stop: stop { | ||
| compatible = "zephyr,power-state"; | ||
| power-state-name = "suspend-to-idle"; | ||
| min-residency-us = <400>; | ||
| exit-latency-us = <300>; | ||
| }; |
Contributor
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It's rather the indentation that is fuzzy. Indeed compiling this DTS is valid. But CI DTS linter compliance test obviously complains.
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Adds low-power mode support for STM32F7 series
Implements basic sleep and stop modes integrated
with the power management subsystem, similar to
the STM32F4 implementation.
Added Mode:
STOP low-power mode, exposed as Zephyr PM state
"suspend-to-idle".
Tested on: NUCLEO-F722ZE board.
Signed-off-by: Roy Jamil roy.jamil@ac6.fr