3  * SPDX-License-Identifier: Apache-2.0
33 /* Clock options sorted from lowest to highest accuracy/precision */
36 	uint16_t precision : 1;  member
41 		.precision = 0,
46 		.precision = 0,
50 		/* NRFS will request FLL16M use HFXO in bypass mode if SYNTH src is used */
52 		.precision = 1,
73 	k_timer_stop(&dev_data->timer);  in clock_evt_handler()
75 	if (p_evt->type == NRFS_CLOCK_EVT_REJECT) {  in clock_evt_handler()
76 		status = -ENXIO;  in clock_evt_handler()
79 	clock_config_update_end(&dev_data->clk_cfg, status);  in clock_evt_handler()
87 	clock_config_update_end(&dev_data->clk_cfg, -ETIMEDOUT);  in lfclk_update_timeout_handler()
102 		clock_config_update_end(&dev_data->clk_cfg, -EIO);  in lfclk_work_handler()
104 		k_timer_start(&dev_data->timer, NRFS_CLOCK_TIMEOUT, K_NO_WAIT);  in lfclk_work_handler()
111 	struct lfclk_dev_data *dev_data = dev->data;  in lfclk_find_mgr()
112 	const struct lfclk_dev_config *dev_config = dev->config;  in lfclk_find_mgr()
116 		return &dev_data->clk_cfg.onoff[0].mgr;  in lfclk_find_mgr()
119 	if (spec->frequency > dev_config->fixed_frequency) {  in lfclk_find_mgr()
124 	accuracy = spec->accuracy == NRF_CLOCK_CONTROL_ACCURACY_MAX  in lfclk_find_mgr()
125 		 ? dev_data->max_accuracy  in lfclk_find_mgr()
126 		 : spec->accuracy;  in lfclk_find_mgr()
128 	for (int i = 0; i < dev_data->clock_options_cnt; ++i) {  in lfclk_find_mgr()
131 		    spec->precision > clock_options[i].precision) {  in lfclk_find_mgr()
135 		return &dev_data->clk_cfg.onoff[i].mgr;  in lfclk_find_mgr()
138 	LOG_ERR("invalid accuracy or precision");  in lfclk_find_mgr()
152 	return -EINVAL;  in api_request_lfclk()
164 	return -EINVAL;  in api_release_lfclk()
177 	return -EINVAL;  in api_cancel_or_release_lfclk()
186 	const struct lfclk_dev_config *dev_config = dev->config;  in api_get_rate_lfclk()
188 	*rate = dev_config->fixed_frequency;  in api_get_rate_lfclk()
195 	struct lfclk_dev_data *dev_data = dev->data;  in lfclk_init()
201 		return -EIO;  in lfclk_init()
204 	dev_data->clock_options_cnt = LFCLK_DEF_OPTS;  in lfclk_init()
210 		dev_data->max_accuracy = LFCLK_HFXO_ACCURACY;  in lfclk_init()
214 		ret = lfosc_get_accuracy(&dev_data->max_accuracy);  in lfclk_init()
222 			clock_options[LFCLK_MAX_OPTS - 2].accuracy = dev_data->max_accuracy;  in lfclk_init()
223 			clock_options[LFCLK_MAX_OPTS - 2].precision = 0;  in lfclk_init()
224 			clock_options[LFCLK_MAX_OPTS - 2].src = NRFS_CLOCK_SRC_LFCLK_XO_PIERCE;  in lfclk_init()
226 			clock_options[LFCLK_MAX_OPTS - 1].accuracy = dev_data->max_accuracy;  in lfclk_init()
227 			clock_options[LFCLK_MAX_OPTS - 1].precision = 1;  in lfclk_init()
228 			clock_options[LFCLK_MAX_OPTS - 1].src = NRFS_CLOCK_SRC_LFCLK_XO_PIERCE_HP;  in lfclk_init()
230 			dev_data->clock_options_cnt += 2;  in lfclk_init()
233 			clock_options[LFCLK_MAX_OPTS - 2].accuracy = dev_data->max_accuracy;  in lfclk_init()
234 			clock_options[LFCLK_MAX_OPTS - 2].precision = 0;  in lfclk_init()
235 			clock_options[LFCLK_MAX_OPTS - 2].src = NRFS_CLOCK_SRC_LFCLK_XO_EXT_SINE;  in lfclk_init()
237 			clock_options[LFCLK_MAX_OPTS - 1].accuracy = dev_data->max_accuracy;  in lfclk_init()
238 			clock_options[LFCLK_MAX_OPTS - 1].precision = 1;  in lfclk_init()
239 			clock_options[LFCLK_MAX_OPTS - 1].src = NRFS_CLOCK_SRC_LFCLK_XO_EXT_SINE_HP;  in lfclk_init()
241 			dev_data->clock_options_cnt += 2;  in lfclk_init()
244 			clock_options[LFCLK_MAX_OPTS - 2].accuracy = dev_data->max_accuracy;  in lfclk_init()
245 			clock_options[LFCLK_MAX_OPTS - 2].precision = 0;  in lfclk_init()
246 			clock_options[LFCLK_MAX_OPTS - 2].src = NRFS_CLOCK_SRC_LFCLK_XO_EXT_SQUARE;  in lfclk_init()
248 			dev_data->clock_options_cnt += 1;  in lfclk_init()
251 			LOG_ERR("Unexpected LFOSC mode");  in lfclk_init()
252 			return -EINVAL;  in lfclk_init()
256 	k_timer_init(&dev_data->timer, lfclk_update_timeout_handler, NULL);  in lfclk_init()
258 	return clock_config_init(&dev_data->clk_cfg,  in lfclk_init()
259 				 ARRAY_SIZE(dev_data->clk_cfg.onoff),  in lfclk_init()