soc: arm: adi: max32: Add power management feature
This commit add power.c file that provides device goes to low power modes Signed-off-by: Sadik Ozer <sadik.ozer@analog.com>
This commit is contained in:
parent
2415dcc5ea
commit
9b7927f2a3
3 changed files with 78 additions and 0 deletions
|
@ -5,6 +5,7 @@ zephyr_include_directories(${ZEPHYR_BASE}/drivers)
|
|||
zephyr_include_directories(common)
|
||||
zephyr_sources(soc.c)
|
||||
|
||||
zephyr_library_sources_ifdef(CONFIG_PM power.c)
|
||||
zephyr_linker_sources_ifdef(CONFIG_SOC_FLASH_MAX32 SECTIONS flash.ld)
|
||||
if(CONFIG_SOC_MAX78000 OR CONFIG_SOC_MAX78002)
|
||||
zephyr_linker_sources(SECTIONS max7800x.ld)
|
||||
|
|
|
@ -26,6 +26,7 @@ config SOC_FAMILY_MAX32_M4
|
|||
select CPU_CORTEX_M_HAS_SYSTICK
|
||||
select CPU_HAS_ARM_MPU
|
||||
select CPU_HAS_FPU
|
||||
select HAS_PM
|
||||
|
||||
config SOC_MAX32655_M4
|
||||
select MAX32_HAS_SECONDARY_RV32
|
||||
|
|
76
soc/adi/max32/power.c
Normal file
76
soc/adi/max32/power.c
Normal file
|
@ -0,0 +1,76 @@
|
|||
/*
|
||||
* Copyright (c) 2024 Analog Devices, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
#include <zephyr/kernel.h>
|
||||
#include <zephyr/device.h>
|
||||
#include <zephyr/pm/pm.h>
|
||||
|
||||
#include <mxc_device.h>
|
||||
#include <wrap_max32_lp.h>
|
||||
|
||||
#include <zephyr/logging/log.h>
|
||||
#define LOG_LEVEL CONFIG_SOC_LOG_LEVEL
|
||||
LOG_MODULE_REGISTER(soc);
|
||||
|
||||
void pm_state_set(enum pm_state state, uint8_t substate_id)
|
||||
{
|
||||
ARG_UNUSED(substate_id);
|
||||
|
||||
/* Set PRIMASK */
|
||||
__disable_irq();
|
||||
/* Set BASEPRI to 0 */
|
||||
irq_unlock(0);
|
||||
|
||||
switch (state) {
|
||||
case PM_STATE_RUNTIME_IDLE:
|
||||
LOG_DBG("entering PM state runtime idle");
|
||||
Wrap_MXC_LP_EnterLowPowerMode();
|
||||
break;
|
||||
case PM_STATE_SUSPEND_TO_IDLE:
|
||||
LOG_DBG("entering PM state suspend to idle");
|
||||
Wrap_MXC_LP_EnterMicroPowerMode();
|
||||
break;
|
||||
case PM_STATE_STANDBY:
|
||||
LOG_DBG("entering PM state standby");
|
||||
Wrap_MXC_LP_EnterStandbyMode();
|
||||
break;
|
||||
case PM_STATE_SOFT_OFF:
|
||||
LOG_DBG("entering PM state powerdown");
|
||||
Wrap_MXC_LP_EnterPowerDownMode();
|
||||
/*Code not reach here */
|
||||
default:
|
||||
LOG_DBG("Unsupported power state %u", state);
|
||||
return;
|
||||
}
|
||||
LOG_DBG("wakeup from sleep mode");
|
||||
}
|
||||
|
||||
/* Handle SOC specific activity after Low Power Mode Exit */
|
||||
void pm_state_exit_post_ops(enum pm_state state, uint8_t substate_id)
|
||||
{
|
||||
ARG_UNUSED(substate_id);
|
||||
|
||||
/* Set run mode config after wakeup */
|
||||
switch (state) {
|
||||
case PM_STATE_RUNTIME_IDLE:
|
||||
LOG_DBG("exited PM state runtime idle");
|
||||
break;
|
||||
case PM_STATE_SUSPEND_TO_IDLE:
|
||||
LOG_DBG("exited PM state suspend to idle");
|
||||
break;
|
||||
case PM_STATE_STANDBY:
|
||||
/* For this state wait a little until RTC register being ready
|
||||
* otherwise seems previous RTC value being read
|
||||
*/
|
||||
k_busy_wait(100);
|
||||
LOG_DBG("exited PM state standby");
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* Clear PRIMASK after wakeup */
|
||||
__enable_irq();
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue