Commit 199017fa authored by Sanjay Vallimanalan's avatar Sanjay Vallimanalan Committed by Benjamin Cabé
Browse files

soc: mspm0: add poweroff support 



add support for SHUTDOWN operating mode in TI MSPM0 series for power-off
operation. Uses HWINFO for reset cause detection to handle shutdown IO
release on low power wakeup.

Signed-off-by: default avatarSanjay Vallimanalan <sanjay@linumiz.com>
Signed-off-by: default avatarParthiban Nallathambi <parthiban@linumiz.com>
parent 0c7edef7

soc/ti/mspm0/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -15,4 +15,8 @@ config MSPM0_PERIPH_STARTUP_DELAY 
	int

	default 8



config HWINFO

	bool

	default y if POWEROFF



endif # SOC_FAMILY_TI_MSPM0

soc/ti/mspm0/common/CMakeLists.txt

+1 −0
Original line number Diff line number Diff line
@@ -4,3 +4,4 @@ zephyr_sources(soc.c) 
zephyr_include_directories(.)



zephyr_sources_ifdef(CONFIG_PM power.c)

zephyr_sources_ifdef(CONFIG_POWEROFF poweroff.c)

soc/ti/mspm0/common/poweroff.c

0 → 100644
+40 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2025 Linumiz GmbH

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <soc.h>

#include <zephyr/drivers/hwinfo.h>

#include <zephyr/kernel.h>

#include <zephyr/sys/poweroff.h>

#include <zephyr/toolchain.h>



#include <ti/driverlib/driverlib.h>



void z_sys_poweroff(void)

{

	DL_SYSCTL_setPowerPolicySHUTDOWN();

	__WFI();



	CODE_UNREACHABLE;

}



static int ti_mspm0_poweroff_init(void)

{

	int ret;

	uint32_t rst_cause;



	ret = hwinfo_get_reset_cause(&rst_cause);

	if (ret != 0) {

		return ret;

	}



	if (RESET_LOW_POWER_WAKE == rst_cause) {

		DL_SYSCTL_releaseShutdownIO();

	}



	return 0;

}



SYS_INIT(ti_mspm0_poweroff_init, POST_KERNEL, 0);

soc/ti/mspm0/mspm0g/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -14,5 +14,6 @@ config SOC_SERIES_MSPM0G 
	select BUILD_OUTPUT_HEX

	select HAS_MSPM0_SDK

	select HAS_PM

	select HAS_POWEROFF

	select CLOCK_CONTROL

	select SOC_EARLY_INIT_HOOK

soc/ti/mspm0/mspm0l/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ config SOC_SERIES_MSPM0L 
	select BUILD_OUTPUT_HEX

	select HAS_MSPM0_SDK

	select HAS_PM

	select HAS_POWEROFF

	select CLOCK_CONTROL

	select SOC_EARLY_INIT_HOOK

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