4  * SPDX-License-Identifier: Apache-2.0
46 	const struct pwm_mcux_sctimer_config *config = dev->config;  in mcux_sctimer_new_channel()
47 	struct pwm_mcux_sctimer_data *data = dev->data;  in mcux_sctimer_new_channel()
51 	data->match_period = period_cycles;  in mcux_sctimer_new_channel()
53 	if (clock_control_get_rate(config->clock_dev, config->clock_subsys,  in mcux_sctimer_new_channel()
55 		return -EINVAL;  in mcux_sctimer_new_channel()
58 	pwm_freq = (clock_freq / config->prescale) / period_cycles;  in mcux_sctimer_new_channel()
62 		return -EINVAL;  in mcux_sctimer_new_channel()
65 	SCTIMER_StopTimer(config->base, kSCTIMER_Counter_U);  in mcux_sctimer_new_channel()
68 	data->channel[channel].dutyCyclePercent = duty_cycle;  in mcux_sctimer_new_channel()
69 	if (SCTIMER_SetupPwm(config->base, &data->channel[channel],  in mcux_sctimer_new_channel()
71 			     clock_freq, &data->event_number[channel]) == kStatus_Fail) {  in mcux_sctimer_new_channel()
73 		return -ENOTSUP;  in mcux_sctimer_new_channel()
76 	SCTIMER_StartTimer(config->base, kSCTIMER_Counter_U);  in mcux_sctimer_new_channel()
77 	data->configured_chan++;  in mcux_sctimer_new_channel()
85 	const struct pwm_mcux_sctimer_config *config = dev->config;  in mcux_sctimer_pwm_set_cycles()
86 	struct pwm_mcux_sctimer_data *data = dev->data;  in mcux_sctimer_pwm_set_cycles()
92 		return -EINVAL;  in mcux_sctimer_pwm_set_cycles()
97 		return -ENOTSUP;  in mcux_sctimer_pwm_set_cycles()
101 		data->channel[channel].level = kSCTIMER_HighTrue;  in mcux_sctimer_pwm_set_cycles()
103 		data->channel[channel].level = kSCTIMER_LowTrue;  in mcux_sctimer_pwm_set_cycles()
108 	if (duty_cycle == 0 && data->configured_chan == 1) {  in mcux_sctimer_pwm_set_cycles()
112 		SCT_Type *base = config->base;  in mcux_sctimer_pwm_set_cycles()
118 		if (data->channel[channel].level == kSCTIMER_HighTrue) {  in mcux_sctimer_pwm_set_cycles()
119 			base->OUTPUT &= ~(1UL << channel);  in mcux_sctimer_pwm_set_cycles()
121 			base->OUTPUT |= (1UL << channel);  in mcux_sctimer_pwm_set_cycles()
131 	 * - one match register is used to set PWM output high, and reset  in mcux_sctimer_pwm_set_cycles()
133 	 * - one match register is used to set PWM output low. This sets the  in mcux_sctimer_pwm_set_cycles()
134 	 *   pulse length  in mcux_sctimer_pwm_set_cycles()
139 	if (period_cycles != data->match_period &&  in mcux_sctimer_pwm_set_cycles()
140 	    data->event_number[channel] == EVENT_NOT_SET &&  in mcux_sctimer_pwm_set_cycles()
141 	    data->match_period == 0U) {  in mcux_sctimer_pwm_set_cycles()
150 	} else if (data->event_number[channel] == EVENT_NOT_SET) {  in mcux_sctimer_pwm_set_cycles()
155 		if (period_cycles != data->match_period) {  in mcux_sctimer_pwm_set_cycles()
158 			return -ENOTSUP;  in mcux_sctimer_pwm_set_cycles()
163 	} else if (period_cycles != data->match_period) {  in mcux_sctimer_pwm_set_cycles()
164 		uint32_t period_event = data->event_number[channel];  in mcux_sctimer_pwm_set_cycles()
169 		if (data->configured_chan != 1) {  in mcux_sctimer_pwm_set_cycles()
172 			return -ENOTSUP;  in mcux_sctimer_pwm_set_cycles()
177 		 * (which the SDK will setup as the pulse match event)  in mcux_sctimer_pwm_set_cycles()
179 		SCTIMER_StopTimer(config->base, kSCTIMER_Counter_U);  in mcux_sctimer_pwm_set_cycles()
180 		config->base->MATCHREL[period_event] = period_cycles - 1U;  in mcux_sctimer_pwm_set_cycles()
181 		config->base->MATCHREL[period_event + 1] = pulse_cycles - 1U;  in mcux_sctimer_pwm_set_cycles()
182 		SCTIMER_StartTimer(config->base, kSCTIMER_Counter_U);  in mcux_sctimer_pwm_set_cycles()
183 		data->match_period = period_cycles;  in mcux_sctimer_pwm_set_cycles()
186 		SCTIMER_UpdatePwmDutycycle(config->base, channel, duty_cycle,  in mcux_sctimer_pwm_set_cycles()
187 					   data->event_number[channel]);  in mcux_sctimer_pwm_set_cycles()
197 	const struct pwm_mcux_sctimer_config *config = dev->config;  in mcux_sctimer_pwm_get_cycles_per_sec()
200 	if (clock_control_get_rate(config->clock_dev, config->clock_subsys,  in mcux_sctimer_pwm_get_cycles_per_sec()
202 		return -EINVAL;  in mcux_sctimer_pwm_get_cycles_per_sec()
205 	*cycles = clock_freq / config->prescale;  in mcux_sctimer_pwm_get_cycles_per_sec()
212 	const struct pwm_mcux_sctimer_config *config = dev->config;  in mcux_sctimer_pwm_init()
213 	struct pwm_mcux_sctimer_data *data = dev->data;  in mcux_sctimer_pwm_init()
219 	err = pinctrl_apply_state(config->pincfg, PINCTRL_STATE_DEFAULT);  in mcux_sctimer_pwm_init()
226 	pwm_config.prescale_l = config->prescale - 1;  in mcux_sctimer_pwm_init()
228 	status = SCTIMER_Init(config->base, &pwm_config);  in mcux_sctimer_pwm_init()
231 		return -EIO;  in mcux_sctimer_pwm_init()
235 		data->channel[i].output = i;  in mcux_sctimer_pwm_init()
236 		data->channel[i].level = kSCTIMER_HighTrue;  in mcux_sctimer_pwm_init()
237 		data->channel[i].dutyCyclePercent = 0;  in mcux_sctimer_pwm_init()
238 		data->event_number[i] = EVENT_NOT_SET;  in mcux_sctimer_pwm_init()
240 	data->match_period = 0;  in mcux_sctimer_pwm_init()
241 	data->configured_chan = 0;  in mcux_sctimer_pwm_init()