4  * SPDX-License-Identifier: Apache-2.0
15 #include <zephyr/dt-bindings/pwm/pwm.h>
39 	struct clock_control_pwm_data *data = dev->data;  in clock_control_pwm_on()  local
40 	const struct clock_control_pwm_config *config = dev->config;  in clock_control_pwm_on()
46 		return -EINVAL;  in clock_control_pwm_on()
49 	spec = &config->pwm_dt;  in clock_control_pwm_on()
50 	if (data->clock_frequency == 0) {  in clock_control_pwm_on()
51 		ret = pwm_set_dt(spec, spec->period, spec->period / 2);  in clock_control_pwm_on()
56 		ret = pwm_get_cycles_per_sec(spec->dev, spec->channel, &cycles_per_sec);  in clock_control_pwm_on()
61 		if (cycles_per_sec % data->clock_frequency > 0) {  in clock_control_pwm_on()
65 		period_cycles = cycles_per_sec / data->clock_frequency;  in clock_control_pwm_on()
66 		ret = pwm_set_cycles(spec->dev, spec->channel, period_cycles, period_cycles / 2,  in clock_control_pwm_on()
67 				     spec->flags);  in clock_control_pwm_on()
74 	k_busy_wait(config->pwm_on_delay);  in clock_control_pwm_on()
76 	data->is_enabled = true;  in clock_control_pwm_on()
82 				      uint32_t *rate)  in clock_control_pwm_get_rate()  argument
84 	struct clock_control_pwm_data *data = dev->data;  in clock_control_pwm_get_rate()  local
85 	const struct clock_control_pwm_config *config = dev->config;  in clock_control_pwm_get_rate()
89 		return -EINVAL;  in clock_control_pwm_get_rate()
92 	if (data->clock_frequency > 0) {  in clock_control_pwm_get_rate()
93 		*rate = data->clock_frequency;  in clock_control_pwm_get_rate()
95 		*rate = NSEC_PER_SEC / config->pwm_dt.period;  in clock_control_pwm_get_rate()
102 				      clock_control_subsys_rate_t rate)  in clock_control_pwm_set_rate()  argument
104 	struct clock_control_pwm_data *data = dev->data;  in clock_control_pwm_set_rate()  local
105 	uint32_t rate_hz = (uint32_t)rate;  in clock_control_pwm_set_rate()
109 		return -EINVAL;  in clock_control_pwm_set_rate()
112 	if (data->clock_frequency == rate_hz && data->is_enabled) {  in clock_control_pwm_set_rate()
113 		return -EALREADY;  in clock_control_pwm_set_rate()
116 	data->clock_frequency = rate_hz;  in clock_control_pwm_set_rate()
123 	const struct clock_control_pwm_config *config = dev->config;  in clock_control_pwm_init()
125 	if (!device_is_ready(config->pwm_dt.dev)) {  in clock_control_pwm_init()
126 		return -ENODEV;  in clock_control_pwm_init()
144 		     "Maximum pwm-on-delay is 65535 usec");                                        \