Commit 0c7edef7 authored by Sanjay Vallimanalan's avatar Sanjay Vallimanalan Committed by Benjamin Cabé
Browse files

soc: mspm0: add power management support 



TI MSPM0 series supports range of power modes (RUN/SLEEP, STOP, STANDBY)
supporting low power operations. Provides automatic restoration to
RUN mode on wakeup from any low power state.

Signed-off-by: default avatarSanjay Vallimanalan <sanjay@linumiz.com>
Signed-off-by: default avatarParthiban Nallathambi <parthiban@linumiz.com>
parent 97a587d9

soc/ti/mspm0/common/CMakeLists.txt

+2 −0
Original line number Diff line number Diff line
@@ -2,3 +2,5 @@ 


zephyr_sources(soc.c)

zephyr_include_directories(.)



zephyr_sources_ifdef(CONFIG_PM power.c)

soc/ti/mspm0/common/power.c

0 → 100644
+83 −0
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/*

 * Copyright (c) 2025 Linumiz GmbH

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <soc.h>

#include <zephyr/init.h>

#include <zephyr/kernel.h>

#include <zephyr/pm/pm.h>

#include <zephyr/logging/log.h>



#include <ti/driverlib/driverlib.h>



LOG_MODULE_DECLARE(soc, CONFIG_SOC_LOG_LEVEL);



static void set_mode_run(uint8_t state)

{

	switch (state) {

	case DL_SYSCTL_POWER_POLICY_RUN_SLEEP0:

		DL_SYSCTL_setPowerPolicyRUN0SLEEP0();

		break;

	case DL_SYSCTL_POWER_POLICY_RUN_SLEEP1:

		DL_SYSCTL_setPowerPolicyRUN1SLEEP1();

		break;

	case DL_SYSCTL_POWER_POLICY_RUN_SLEEP2:

		DL_SYSCTL_setPowerPolicyRUN2SLEEP2();

		break;

	}

}



static void set_mode_stop(uint8_t state)

{

	switch (state) {

	case DL_SYSCTL_POWER_POLICY_STOP0:

		DL_SYSCTL_setPowerPolicySTOP0();

		break;

	case DL_SYSCTL_POWER_POLICY_STOP1:

		DL_SYSCTL_setPowerPolicySTOP1();

		break;

	case DL_SYSCTL_POWER_POLICY_STOP2:

		DL_SYSCTL_setPowerPolicySTOP2();

		break;

	}

}



static void set_mode_standby(uint8_t state)

{

	switch (state) {

	case DL_SYSCTL_POWER_POLICY_STANDBY0:

		DL_SYSCTL_setPowerPolicySTANDBY0();

		break;

	case DL_SYSCTL_POWER_POLICY_STANDBY1:

		DL_SYSCTL_setPowerPolicySTANDBY1();

		break;

	}

}



void pm_state_set(enum pm_state state, uint8_t substate_id)

{

	switch (state) {

	case PM_STATE_RUNTIME_IDLE:

		set_mode_run(substate_id);

		break;

	case PM_STATE_SUSPEND_TO_IDLE:

		set_mode_stop(substate_id);

		break;

	case PM_STATE_STANDBY:

		set_mode_standby(substate_id);

		break;

	default:

		LOG_DBG("Unsupported power state %u", state);

		return;

	}



	__WFI();

}



void pm_state_exit_post_ops(enum pm_state state, uint8_t substate_id)

{

	DL_SYSCTL_setPowerPolicyRUN0SLEEP0();

	irq_unlock(0);

}

soc/ti/mspm0/mspm0g/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -13,5 +13,6 @@ config SOC_SERIES_MSPM0G 
	select BUILD_OUTPUT_BIN

	select BUILD_OUTPUT_HEX

	select HAS_MSPM0_SDK

	select HAS_PM

	select CLOCK_CONTROL

	select SOC_EARLY_INIT_HOOK

soc/ti/mspm0/mspm0l/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ config SOC_SERIES_MSPM0L 
	select BUILD_OUTPUT_BIN

	select BUILD_OUTPUT_HEX

	select HAS_MSPM0_SDK

	select HAS_PM

	select CLOCK_CONTROL

	select SOC_EARLY_INIT_HOOK

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