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This commit add power.c file that provides device goes to low power modes Signed-off-by: Sadik Ozer <sadik.ozer@analog.com>pull/50690/head
3 changed files with 78 additions and 0 deletions
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/*
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* Copyright (c) 2024 Analog Devices, Inc. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#include <zephyr/kernel.h> |
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#include <zephyr/device.h> |
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#include <zephyr/pm/pm.h> |
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#include <mxc_device.h> |
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#include <wrap_max32_lp.h> |
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#include <zephyr/logging/log.h> |
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#define LOG_LEVEL CONFIG_SOC_LOG_LEVEL |
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LOG_MODULE_REGISTER(soc); |
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void pm_state_set(enum pm_state state, uint8_t substate_id) |
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{ |
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ARG_UNUSED(substate_id); |
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/* Set PRIMASK */ |
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__disable_irq(); |
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/* Set BASEPRI to 0 */ |
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irq_unlock(0); |
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switch (state) { |
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case PM_STATE_RUNTIME_IDLE: |
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LOG_DBG("entering PM state runtime idle"); |
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Wrap_MXC_LP_EnterLowPowerMode(); |
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break; |
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case PM_STATE_SUSPEND_TO_IDLE: |
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LOG_DBG("entering PM state suspend to idle"); |
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Wrap_MXC_LP_EnterMicroPowerMode(); |
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break; |
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case PM_STATE_STANDBY: |
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LOG_DBG("entering PM state standby"); |
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Wrap_MXC_LP_EnterStandbyMode(); |
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break; |
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case PM_STATE_SOFT_OFF: |
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LOG_DBG("entering PM state powerdown"); |
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Wrap_MXC_LP_EnterPowerDownMode(); |
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/*Code not reach here */ |
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default: |
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LOG_DBG("Unsupported power state %u", state); |
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return; |
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} |
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LOG_DBG("wakeup from sleep mode"); |
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} |
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/* Handle SOC specific activity after Low Power Mode Exit */ |
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void pm_state_exit_post_ops(enum pm_state state, uint8_t substate_id) |
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{ |
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ARG_UNUSED(substate_id); |
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/* Set run mode config after wakeup */ |
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switch (state) { |
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case PM_STATE_RUNTIME_IDLE: |
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LOG_DBG("exited PM state runtime idle"); |
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break; |
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case PM_STATE_SUSPEND_TO_IDLE: |
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LOG_DBG("exited PM state suspend to idle"); |
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break; |
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case PM_STATE_STANDBY: |
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/* For this state wait a little until RTC register being ready
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* otherwise seems previous RTC value being read |
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*/ |
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k_busy_wait(100); |
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LOG_DBG("exited PM state standby"); |
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break; |
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default: |
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break; |
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} |
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/* Clear PRIMASK after wakeup */ |
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__enable_irq(); |
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} |
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