1 /* SPDX-License-Identifier: Apache-2.0 */
35 	uint32_t period;  in dw_wdt_configure()  local
38 		LOG_ERR("Timeout not installed.");  in dw_wdt_configure()
39 		return -ENOTSUP;  in dw_wdt_configure()
42 	/* Configure timeout */  in dw_wdt_configure()
43 	period = config & ~WDT_DW_FLAG_CONFIGURED;  in dw_wdt_configure()
46 		dw_wdt_timeout_period_init_set(base, period);  in dw_wdt_configure()
49 	dw_wdt_timeout_period_set(base, period);  in dw_wdt_configure()
62 	uint32_t period;  in dw_wdt_calc_period()  local
64 	/* Window timeout is not supported by this driver */  in dw_wdt_calc_period()
65 	if (config->window.min) {  in dw_wdt_calc_period()
66 		LOG_ERR("Window timeout is not supported.");  in dw_wdt_calc_period()
67 		return -ENOTSUP;  in dw_wdt_calc_period()
70 	period64 = (uint64_t)clk_freq * config->window.max;  in dw_wdt_calc_period()
74 		return -EINVAL;  in dw_wdt_calc_period()
77 	period = period64 - 1;  in dw_wdt_calc_period()
78 	period = ilog2(period);  in dw_wdt_calc_period()
80 	if (period >= dw_wdt_cnt_width_get(base)) {  in dw_wdt_calc_period()
81 		LOG_ERR("Watchdog timeout too long.");  in dw_wdt_calc_period()
82 		return -EINVAL;  in dw_wdt_calc_period()
86 	*period_out = WDT_DW_FLAG_CONFIGURED | (period >= 15 ? period - 15 : 0);  in dw_wdt_calc_period()
97 		return -ENODEV;  in dw_wdt_probe()