2  * Copyright (c) 2016 Open-RnD Sp. z o.o.
7  * SPDX-License-Identifier: Apache-2.0
67 	uint8_t shift = 0U;  in iwdg_stm32_convert_timeout()  local
73 		shift++;  in iwdg_stm32_convert_timeout()
74 		divider = 4U << shift;  in iwdg_stm32_convert_timeout()
78 	 * Value of the 'shift' variable corresponds to the  in iwdg_stm32_convert_timeout()
81 	*prescaler = shift;  in iwdg_stm32_convert_timeout()
82 	*reload = (uint32_t)(ticks / divider) - 1U;  in iwdg_stm32_convert_timeout()
87 	struct iwdg_stm32_data *data = IWDG_STM32_DATA(dev);  in iwdg_stm32_setup()  local
110 		return -ENOTSUP;  in iwdg_stm32_setup()
117 	LL_IWDG_SetPrescaler(iwdg, data->prescaler);  in iwdg_stm32_setup()
118 	LL_IWDG_SetReloadCounter(iwdg, data->reload);  in iwdg_stm32_setup()
124 		if ((k_uptime_get_32() - tickstart) > IWDG_SR_UPDATE_TIMEOUT) {  in iwdg_stm32_setup()
125 			return -ENODEV;  in iwdg_stm32_setup()
140 	return -EPERM;  in iwdg_stm32_disable()
146 	struct iwdg_stm32_data *data = IWDG_STM32_DATA(dev);  in iwdg_stm32_install_timeout()  local
147 	uint32_t timeout = config->window.max * USEC_PER_MSEC;  in iwdg_stm32_install_timeout()
151 	if (config->callback != NULL) {  in iwdg_stm32_install_timeout()
152 		return -ENOTSUP;  in iwdg_stm32_install_timeout()
161 		return -EINVAL;  in iwdg_stm32_install_timeout()
165 	data->prescaler = prescaler;  in iwdg_stm32_install_timeout()
166 	data->reload = reload;  in iwdg_stm32_install_timeout()