4  * SPDX-License-Identifier: Apache-2.0
9 #include <zephyr/drivers/pinctrl.h>
10 #include <zephyr/drivers/watchdog.h>
11 #include <zephyr/sys_clock.h>
15 #include <zephyr/logging/log.h>
16 #include <zephyr/irq.h>
19 #define WDOG_TMOUT_SEC(x)  (((x * 2) / MSEC_PER_SEC) - 1)
22 	WDOG_Type *base;  member
35 	const struct mcux_wdog_config *config = dev->config;  in mcux_wdog_setup()
36 	struct mcux_wdog_data *data = dev->data;  in mcux_wdog_setup()
37 	WDOG_Type *base = config->base;  in mcux_wdog_setup()  local
39 	if (!data->timeout_valid) {  in mcux_wdog_setup()
41 		return -EINVAL;  in mcux_wdog_setup()
44 	data->wdog_config.workMode.enableStop =  in mcux_wdog_setup()
47 	data->wdog_config.workMode.enableDebug =  in mcux_wdog_setup()
50 	WDOG_Init(base, &data->wdog_config);  in mcux_wdog_setup()
58 	const struct mcux_wdog_config *config = dev->config;  in mcux_wdog_disable()
59 	struct mcux_wdog_data *data = dev->data;  in mcux_wdog_disable()
60 	WDOG_Type *base = config->base;  in mcux_wdog_disable()  local
62 	WDOG_Deinit(base);  in mcux_wdog_disable()
63 	data->timeout_valid = false;  in mcux_wdog_disable()
72 	struct mcux_wdog_data *data = dev->data;  in mcux_wdog_install_timeout()
74 	if (data->timeout_valid) {  in mcux_wdog_install_timeout()
76 		return -ENOMEM;  in mcux_wdog_install_timeout()
79 	WDOG_GetDefaultConfig(&data->wdog_config);  in mcux_wdog_install_timeout()
80 	data->wdog_config.interruptTimeValue = 0U;  in mcux_wdog_install_timeout()
82 	if (cfg->window.max < (MSEC_PER_SEC / 2)) {  in mcux_wdog_install_timeout()
84 		return -EINVAL;  in mcux_wdog_install_timeout()
87 	data->wdog_config.timeoutValue =  in mcux_wdog_install_timeout()
88 		  WDOG_TMOUT_SEC(cfg->window.max);  in mcux_wdog_install_timeout()
90 	if (cfg->window.min) {  in mcux_wdog_install_timeout()
92 		return -EINVAL;  in mcux_wdog_install_timeout()
94 	if (data->wdog_config.timeoutValue > 128) {  in mcux_wdog_install_timeout()
95 		LOG_ERR("Invalid timeoutValue, valid (0.5s - 128.0s)");  in mcux_wdog_install_timeout()
96 		return -EINVAL;  in mcux_wdog_install_timeout()
99 	data->wdog_config.enableInterrupt = cfg->callback != NULL;  in mcux_wdog_install_timeout()
100 	data->callback = cfg->callback;  in mcux_wdog_install_timeout()
101 	data->timeout_valid = true;  in mcux_wdog_install_timeout()
108 	const struct mcux_wdog_config *config = dev->config;  in mcux_wdog_feed()
109 	WDOG_Type *base = config->base;  in mcux_wdog_feed()  local
113 		return -EINVAL;  in mcux_wdog_feed()
116 	WDOG_Refresh(base);  in mcux_wdog_feed()
124 	const struct mcux_wdog_config *config = dev->config;  in mcux_wdog_isr()
125 	struct mcux_wdog_data *data = dev->data;  in mcux_wdog_isr()
126 	WDOG_Type *base = config->base;  in mcux_wdog_isr()  local
129 	flags = WDOG_GetStatusFlags(base);  in mcux_wdog_isr()
130 	WDOG_ClearInterruptStatus(base, flags);  in mcux_wdog_isr()
132 	if (data->callback) {  in mcux_wdog_isr()
133 		data->callback(dev, 0);  in mcux_wdog_isr()
139 	const struct mcux_wdog_config *config = dev->config;  in mcux_wdog_init()
142 	config->irq_config_func(dev);  in mcux_wdog_init()
144 	ret = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);  in mcux_wdog_init()
145 	if (ret < 0 && ret != -ENOENT) {  in mcux_wdog_init()
164 	.base = (WDOG_Type *) DT_INST_REG_ADDR(0),