5  * SPDX-License-Identifier: Apache-2.0
51 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_is_active()
53 	return !!(config->base->CS & PWT_CS_PWTEN_MASK);  in mcux_pwt_is_active()
68 	return -ENOTSUP;  in mcux_pwt_set_cycles()
76 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_configure_capture()
77 	struct mcux_pwt_data *data = dev->data;  in mcux_pwt_configure_capture()
81 		return -EINVAL;  in mcux_pwt_configure_capture()
86 		return -EBUSY;  in mcux_pwt_configure_capture()
92 		return -ENOTSUP;  in mcux_pwt_configure_capture()
97 		LOG_ERR("Cannot capture period in normal polarity (active-high pulse)");  in mcux_pwt_configure_capture()
98 		return -ENOTSUP;  in mcux_pwt_configure_capture()
102 	data->callback = cb;  in mcux_pwt_configure_capture()
103 	data->user_data = user_data;  in mcux_pwt_configure_capture()
105 	data->pwt_config.inputSelect = channel;  in mcux_pwt_configure_capture()
107 	data->continuous =  in mcux_pwt_configure_capture()
109 	data->inverted =  in mcux_pwt_configure_capture()
112 	PWT_Init(config->base, &data->pwt_config);  in mcux_pwt_configure_capture()
113 	PWT_EnableInterrupts(config->base,  in mcux_pwt_configure_capture()
122 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_enable_capture()
123 	struct mcux_pwt_data *data = dev->data;  in mcux_pwt_enable_capture()
127 		return -EINVAL;  in mcux_pwt_enable_capture()
130 	if (!data->callback) {  in mcux_pwt_enable_capture()
132 		return -EINVAL;  in mcux_pwt_enable_capture()
137 		return -EBUSY;  in mcux_pwt_enable_capture()
140 	data->overflowed = false;  in mcux_pwt_enable_capture()
141 	data->high_overflows = 0;  in mcux_pwt_enable_capture()
142 	data->low_overflows = 0;  in mcux_pwt_enable_capture()
143 	PWT_StartTimer(config->base);  in mcux_pwt_enable_capture()
150 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_disable_capture()
154 		return -EINVAL;  in mcux_pwt_disable_capture()
157 	PWT_StopTimer(config->base);  in mcux_pwt_disable_capture()
171 		return -ERANGE;  in mcux_pwt_calc_period()
176 		return -ERANGE;  in mcux_pwt_calc_period()
179 	/* Add positive pulse width */  in mcux_pwt_calc_period()
181 		return -ERANGE;  in mcux_pwt_calc_period()
186 		return -ERANGE;  in mcux_pwt_calc_period()
201 		return -ERANGE;  in mcux_pwt_calc_pulse()
206 		return -ERANGE;  in mcux_pwt_calc_pulse()
216 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_isr()
217 	struct mcux_pwt_data *data = dev->data;  in mcux_pwt_isr()
225 	flags = PWT_GetStatusFlags(config->base);  in mcux_pwt_isr()
228 		if (config->base->CR & PWT_CR_LVL_MASK) {  in mcux_pwt_isr()
229 			data->overflowed |= u32_add_overflow(1,  in mcux_pwt_isr()
230 				data->high_overflows, &data->high_overflows);  in mcux_pwt_isr()
232 			data->overflowed |= u32_add_overflow(1,  in mcux_pwt_isr()
233 				data->low_overflows, &data->low_overflows);  in mcux_pwt_isr()
236 		PWT_ClearStatusFlags(config->base, kPWT_CounterOverflowFlag);  in mcux_pwt_isr()
240 		ppw = PWT_ReadPositivePulseWidth(config->base);  in mcux_pwt_isr()
241 		npw = PWT_ReadNegativePulseWidth(config->base);  in mcux_pwt_isr()
243 		if (!data->continuous) {  in mcux_pwt_isr()
244 			PWT_StopTimer(config->base);  in mcux_pwt_isr()
247 		if (data->inverted) {  in mcux_pwt_isr()
248 			err = mcux_pwt_calc_pulse(npw, data->low_overflows,  in mcux_pwt_isr()
251 			err = mcux_pwt_calc_pulse(ppw, data->high_overflows,  in mcux_pwt_isr()
257 						   data->high_overflows,  in mcux_pwt_isr()
258 						   data->low_overflows,  in mcux_pwt_isr()
262 		if (data->overflowed) {  in mcux_pwt_isr()
263 			err = -ERANGE;  in mcux_pwt_isr()
269 		if (data->callback) {  in mcux_pwt_isr()
270 			data->callback(dev, data->pwt_config.inputSelect,  in mcux_pwt_isr()
271 				       period, pulse, err, data->user_data);  in mcux_pwt_isr()
274 		data->overflowed = false;  in mcux_pwt_isr()
275 		data->high_overflows = 0;  in mcux_pwt_isr()
276 		data->low_overflows = 0;  in mcux_pwt_isr()
277 		PWT_ClearStatusFlags(config->base, kPWT_PulseWidthValidFlag);  in mcux_pwt_isr()
284 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_get_cycles_per_sec()
285 	struct mcux_pwt_data *data = dev->data;  in mcux_pwt_get_cycles_per_sec()
289 	*cycles = data->clock_freq >> config->prescale;  in mcux_pwt_get_cycles_per_sec()
296 	const struct mcux_pwt_config *config = dev->config;  in mcux_pwt_init()
297 	struct mcux_pwt_data *data = dev->data;  in mcux_pwt_init()
298 	pwt_config_t *pwt_config = &data->pwt_config;  in mcux_pwt_init()
301 	if (!device_is_ready(config->clock_dev)) {  in mcux_pwt_init()
303 		return -ENODEV;  in mcux_pwt_init()
306 	if (clock_control_get_rate(config->clock_dev, config->clock_subsys,  in mcux_pwt_init()
307 				   &data->clock_freq)) {  in mcux_pwt_init()
309 		return -EINVAL;  in mcux_pwt_init()
313 	pwt_config->clockSource = config->pwt_clock_source;  in mcux_pwt_init()
314 	pwt_config->prescale = config->prescale;  in mcux_pwt_init()
315 	pwt_config->enableFirstCounterLoad = true;  in mcux_pwt_init()
316 	PWT_Init(config->base, pwt_config);  in mcux_pwt_init()
318 	err = pinctrl_apply_state(config->pincfg, PINCTRL_STATE_DEFAULT);  in mcux_pwt_init()
323 	config->irq_config_func(dev);  in mcux_pwt_init()