Lines Matching refs:wdt
38 static unsigned int da9062_wdt_read_timeout(struct da9062_watchdog *wdt)
42 regmap_read(wdt->hw->regmap, DA9062AA_CONTROL_D, &val);
59 static int da9062_reset_watchdog_timer(struct da9062_watchdog *wdt)
61 return regmap_update_bits(wdt->hw->regmap, DA9062AA_CONTROL_F,
66 static int da9062_wdt_update_timeout_register(struct da9062_watchdog *wdt,
69 struct da9062 *chip = wdt->hw;
86 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
90 selector = da9062_wdt_timeout_to_sel(wdt->wdtdev.timeout);
91 ret = da9062_wdt_update_timeout_register(wdt, selector);
93 dev_err(wdt->hw->dev, "Watchdog failed to start (err = %d)\n",
101 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
104 ret = regmap_update_bits(wdt->hw->regmap,
109 dev_err(wdt->hw->dev, "Watchdog failed to stop (err = %d)\n",
117 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
120 ret = da9062_reset_watchdog_timer(wdt);
122 dev_err(wdt->hw->dev, "Failed to ping the watchdog (err = %d)\n",
131 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
136 ret = da9062_wdt_update_timeout_register(wdt, selector);
138 dev_err(wdt->hw->dev, "Failed to set watchdog timeout (err = %d)\n",
149 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
150 struct i2c_client *client = to_i2c_client(wdt->hw->dev);
157 dev_alert(wdt->hw->dev, "Failed to shutdown (err = %d)\n",
192 struct da9062_watchdog *wdt;
198 wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
199 if (!wdt)
202 wdt->use_sw_pm = device_property_present(dev, "dlg,use-sw-pm");
204 wdt->hw = chip;
206 wdt->wdtdev.info = &da9062_watchdog_info;
207 wdt->wdtdev.ops = &da9062_watchdog_ops;
208 wdt->wdtdev.min_timeout = DA9062_WDT_MIN_TIMEOUT;
209 wdt->wdtdev.max_timeout = DA9062_WDT_MAX_TIMEOUT;
210 wdt->wdtdev.min_hw_heartbeat_ms = DA9062_RESET_PROTECTION_MS;
211 wdt->wdtdev.timeout = DA9062_WDG_DEFAULT_TIMEOUT;
212 wdt->wdtdev.status = WATCHDOG_NOWAYOUT_INIT_STATUS;
213 wdt->wdtdev.parent = dev;
215 watchdog_set_restart_priority(&wdt->wdtdev, 128);
217 watchdog_set_drvdata(&wdt->wdtdev, wdt);
218 dev_set_drvdata(dev, &wdt->wdtdev);
220 timeout = da9062_wdt_read_timeout(wdt);
222 wdt->wdtdev.timeout = timeout;
225 watchdog_init_timeout(&wdt->wdtdev, 0, dev);
228 da9062_wdt_set_timeout(&wdt->wdtdev, wdt->wdtdev.timeout);
229 set_bit(WDOG_HW_RUNNING, &wdt->wdtdev.status);
232 return devm_watchdog_register_device(dev, &wdt->wdtdev);
238 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
240 if (!wdt->use_sw_pm)
252 struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
254 if (!wdt->use_sw_pm)