5  * SPDX-License-Identifier: Apache-2.0
10 #include <zephyr/drivers/counter.h>
11 #include <zephyr/irq.h>
12 #include <zephyr/kernel.h>
13 #include <zephyr/sys_clock.h>
15 #include <zephyr/logging/log.h>
28 	RTC_Type *base;  member
34 	const struct counter_config_info *info = dev->config;  in mcux_rtc_start()
38 	RTC_StartTimer(config->base);  in mcux_rtc_start()
39 	RTC_EnableInterrupts(config->base,  in mcux_rtc_start()
49 	const struct counter_config_info *info = dev->config;  in mcux_rtc_stop()
53 	RTC_DisableInterrupts(config->base,  in mcux_rtc_stop()
57 	RTC_StopTimer(config->base);  in mcux_rtc_stop()
60 	config->base->TAR = 0;  in mcux_rtc_stop()
67 	const struct counter_config_info *info = dev->config;  in mcux_rtc_read()
71 	uint32_t ticks = config->base->TSR;  in mcux_rtc_read()
78 	if (config->base->TSR == ticks) {  in mcux_rtc_read()
82 	ticks = config->base->TSR;  in mcux_rtc_read()
96 	const struct counter_config_info *info = dev->config;  in mcux_rtc_set_alarm()
99 	struct mcux_rtc_data *data = dev->data;  in mcux_rtc_set_alarm()
101 	uint32_t ticks = alarm_cfg->ticks;  in mcux_rtc_set_alarm()
108 		return -EINVAL;  in mcux_rtc_set_alarm()
111 	if (data->alarm_callback != NULL) {  in mcux_rtc_set_alarm()
112 		return -EBUSY;  in mcux_rtc_set_alarm()
115 	if ((alarm_cfg->flags & COUNTER_ALARM_CFG_ABSOLUTE) == 0) {  in mcux_rtc_set_alarm()
121 		return -EINVAL;  in mcux_rtc_set_alarm()
124 	data->alarm_callback = alarm_cfg->callback;  in mcux_rtc_set_alarm()
125 	data->alarm_user_data = alarm_cfg->user_data;  in mcux_rtc_set_alarm()
127 	config->base->TAR = ticks;  in mcux_rtc_set_alarm()
135 	struct mcux_rtc_data *data = dev->data;  in mcux_rtc_cancel_alarm()
139 		return -EINVAL;  in mcux_rtc_cancel_alarm()
142 	data->alarm_callback = NULL;  in mcux_rtc_cancel_alarm()
150 	const struct counter_config_info *info = dev->config;  in mcux_rtc_set_top_value()
153 	struct mcux_rtc_data *data = dev->data;  in mcux_rtc_set_top_value()
155 	if (cfg->ticks != info->max_top_value) {  in mcux_rtc_set_top_value()
156 		LOG_ERR("Wrap can only be set to 0x%x.", info->max_top_value);  in mcux_rtc_set_top_value()
157 		return -ENOTSUP;  in mcux_rtc_set_top_value()
160 	if (!(cfg->flags & COUNTER_TOP_CFG_DONT_RESET)) {  in mcux_rtc_set_top_value()
161 		RTC_StopTimer(config->base);  in mcux_rtc_set_top_value()
162 		config->base->TSR = 0;  in mcux_rtc_set_top_value()
163 		RTC_StartTimer(config->base);  in mcux_rtc_set_top_value()
166 	data->top_callback = cfg->callback;  in mcux_rtc_set_top_value()
167 	data->top_user_data = cfg->user_data;  in mcux_rtc_set_top_value()
174 	const struct counter_config_info *info = dev->config;  in mcux_rtc_get_pending_int()
178 	return RTC_GetStatusFlags(config->base) & RTC_SR_TAF_MASK;  in mcux_rtc_get_pending_int()
183 	const struct counter_config_info *info = dev->config;  in mcux_rtc_get_top_value()
185 	return info->max_top_value;  in mcux_rtc_get_top_value()
190 	const struct counter_config_info *info = dev->config;  in mcux_rtc_isr()
193 	struct mcux_rtc_data *data = dev->data;  in mcux_rtc_isr()
200 	if ((RTC_GetStatusFlags(config->base) & RTC_SR_TAF_MASK) &&  in mcux_rtc_isr()
201 	    (data->alarm_callback)) {  in mcux_rtc_isr()
202 		cb = data->alarm_callback;  in mcux_rtc_isr()
203 		data->alarm_callback = NULL;  in mcux_rtc_isr()
204 		cb(dev, 0, current, data->alarm_user_data);  in mcux_rtc_isr()
207 	if ((RTC_GetStatusFlags(config->base) & RTC_SR_TOF_MASK) &&  in mcux_rtc_isr()
208 	    (data->top_callback)) {  in mcux_rtc_isr()
209 		data->top_callback(dev, data->top_user_data);  in mcux_rtc_isr()
218 	RTC_StopTimer(config->base);  in mcux_rtc_isr()
219 	if (RTC_GetStatusFlags(config->base) & RTC_SR_TAF_MASK) {  in mcux_rtc_isr()
220 		RTC_ClearStatusFlags(config->base, kRTC_AlarmFlag);  in mcux_rtc_isr()
221 	} else if (RTC_GetStatusFlags(config->base) & RTC_SR_TIF_MASK) {  in mcux_rtc_isr()
222 		RTC_ClearStatusFlags(config->base, kRTC_TimeInvalidFlag);  in mcux_rtc_isr()
223 	} else if (RTC_GetStatusFlags(config->base) & RTC_SR_TOF_MASK) {  in mcux_rtc_isr()
224 		RTC_ClearStatusFlags(config->base, kRTC_TimeOverflowFlag);  in mcux_rtc_isr()
226 	RTC_StartTimer(config->base);  in mcux_rtc_isr()
231 	const struct counter_config_info *info = dev->config;  in mcux_rtc_init()
237 	RTC_Init(config->base, &rtc_config);  in mcux_rtc_init()
251 	RTC_EnableLPOClock(config->base, DT_INST_ENUM_IDX(0, clock_source));  in mcux_rtc_init()
256 	RTC_SetClockSource(config->base);  in mcux_rtc_init()
260 	config->irq_config_func(dev);  in mcux_rtc_init()
281 	.base = (RTC_Type *)DT_INST_REG_ADDR(0),