Lines Matching +full:irq +full:- +full:can +full:- +full:wake
1 // SPDX-License-Identifier: GPL-2.0
35 PHY_MDM6600_MODE0, /* out USB mode0 and OOB wake */
36 PHY_MDM6600_MODE1, /* out USB mode1, in OOB wake */
111 struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE]; in phy_mdm6600_init()
113 if (!ddata->enabled) in phy_mdm6600_init()
114 return -EPROBE_DEFER; in phy_mdm6600_init()
124 struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE]; in phy_mdm6600_power_on()
126 if (!ddata->enabled) in phy_mdm6600_power_on()
127 return -ENODEV; in phy_mdm6600_power_on()
132 if (pm_runtime_enabled(&x->dev)) in phy_mdm6600_power_on()
141 struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE]; in phy_mdm6600_power_off()
144 if (!ddata->enabled) in phy_mdm6600_power_off()
145 return -ENODEV; in phy_mdm6600_power_off()
148 if (pm_runtime_enabled(&x->dev)) { in phy_mdm6600_power_off()
150 if (error < 0 && error != -EINPROGRESS) in phy_mdm6600_power_off()
151 dev_warn(ddata->dev, "%s: phy_pm_runtime_get: %i\n", in phy_mdm6600_power_off()
168 * phy_mdm6600_cmd() - send a command request to mdm6600
180 gpiod_multi_set_value_cansleep(ddata->cmd_gpios, values); in phy_mdm6600_cmd()
184 * phy_mdm6600_status() - read mdm6600 status lines
195 dev = ddata->dev; in phy_mdm6600_status()
198 ddata->status_gpios->desc, in phy_mdm6600_status()
199 ddata->status_gpios->info, in phy_mdm6600_status()
204 ddata->status = values[0] & ((1 << PHY_MDM6600_NR_STATUS_LINES) - 1); in phy_mdm6600_status()
207 ddata->status, in phy_mdm6600_status()
208 phy_mdm6600_status_name[ddata->status]); in phy_mdm6600_status()
209 complete(&ddata->ack); in phy_mdm6600_status()
212 static irqreturn_t phy_mdm6600_irq_thread(int irq, void *data) in phy_mdm6600_irq_thread() argument
216 schedule_delayed_work(&ddata->status_work, msecs_to_jiffies(10)); in phy_mdm6600_irq_thread()
222 * phy_mdm6600_wakeirq_thread - handle mode1 line OOB wake after booting
223 * @irq: interrupt
227 * mode for mdm6600. After booting it is used as input for OOB wake
231 static irqreturn_t phy_mdm6600_wakeirq_thread(int irq, void *data) in phy_mdm6600_wakeirq_thread() argument
237 mode_gpio1 = ddata->mode_gpios->desc[PHY_MDM6600_MODE1]; in phy_mdm6600_wakeirq_thread()
242 dev_dbg(ddata->dev, "OOB wake on mode_gpio1: %i\n", wakeup); in phy_mdm6600_wakeirq_thread()
243 error = pm_runtime_get_sync(ddata->dev); in phy_mdm6600_wakeirq_thread()
245 pm_runtime_put_noidle(ddata->dev); in phy_mdm6600_wakeirq_thread()
250 /* Just wake-up and kick the autosuspend timer */ in phy_mdm6600_wakeirq_thread()
251 pm_runtime_mark_last_busy(ddata->dev); in phy_mdm6600_wakeirq_thread()
252 pm_runtime_put_autosuspend(ddata->dev); in phy_mdm6600_wakeirq_thread()
258 * phy_mdm6600_init_irq() - initialize mdm6600 status IRQ lines
263 struct device *dev = ddata->dev; in phy_mdm6600_init_irq()
264 int i, error, irq; in phy_mdm6600_init_irq() local
268 struct gpio_desc *gpio = ddata->status_gpios->desc[i]; in phy_mdm6600_init_irq()
270 irq = gpiod_to_irq(gpio); in phy_mdm6600_init_irq()
271 if (irq <= 0) in phy_mdm6600_init_irq()
274 error = devm_request_threaded_irq(dev, irq, NULL, in phy_mdm6600_init_irq()
282 dev_warn(dev, "no modem status irq%i: %i\n", in phy_mdm6600_init_irq()
283 irq, error); in phy_mdm6600_init_irq()
300 * phy_mdm6600_init_lines() - initialize mdm6600 GPIO lines
305 struct device *dev = ddata->dev; in phy_mdm6600_init_lines()
312 struct gpio_desc **gpio = &ddata->ctrl_gpios[i]; in phy_mdm6600_init_lines()
314 *gpio = devm_gpiod_get(dev, map->name, map->direction); in phy_mdm6600_init_lines()
317 map->name, PTR_ERR(*gpio)); in phy_mdm6600_init_lines()
322 /* MDM6600 USB start-up mode output lines */ in phy_mdm6600_init_lines()
323 ddata->mode_gpios = devm_gpiod_get_array(dev, "motorola,mode", in phy_mdm6600_init_lines()
325 if (IS_ERR(ddata->mode_gpios)) in phy_mdm6600_init_lines()
326 return PTR_ERR(ddata->mode_gpios); in phy_mdm6600_init_lines()
328 if (ddata->mode_gpios->ndescs != PHY_MDM6600_NR_MODE_LINES) in phy_mdm6600_init_lines()
329 return -EINVAL; in phy_mdm6600_init_lines()
332 ddata->status_gpios = devm_gpiod_get_array(dev, "motorola,status", in phy_mdm6600_init_lines()
334 if (IS_ERR(ddata->status_gpios)) in phy_mdm6600_init_lines()
335 return PTR_ERR(ddata->status_gpios); in phy_mdm6600_init_lines()
337 if (ddata->status_gpios->ndescs != PHY_MDM6600_NR_STATUS_LINES) in phy_mdm6600_init_lines()
338 return -EINVAL; in phy_mdm6600_init_lines()
341 ddata->cmd_gpios = devm_gpiod_get_array(dev, "motorola,cmd", in phy_mdm6600_init_lines()
343 if (IS_ERR(ddata->cmd_gpios)) in phy_mdm6600_init_lines()
344 return PTR_ERR(ddata->cmd_gpios); in phy_mdm6600_init_lines()
346 if (ddata->cmd_gpios->ndescs != PHY_MDM6600_NR_CMD_LINES) in phy_mdm6600_init_lines()
347 return -EINVAL; in phy_mdm6600_init_lines()
353 * phy_mdm6600_device_power_on() - power on mdm6600 device
357 * the shared USB bootmode GPIOs are configured, then request modem start-up,
358 * reset and power-up.. And then we need to recycle the shared USB bootmode
359 * GPIOs as they are also used for Out of Band (OOB) wake for the USB and
367 mode_gpio0 = ddata->mode_gpios->desc[PHY_MDM6600_MODE0]; in phy_mdm6600_device_power_on()
368 mode_gpio1 = ddata->mode_gpios->desc[PHY_MDM6600_MODE1]; in phy_mdm6600_device_power_on()
369 reset_gpio = ddata->ctrl_gpios[PHY_MDM6600_RESET]; in phy_mdm6600_device_power_on()
370 power_gpio = ddata->ctrl_gpios[PHY_MDM6600_POWER]; in phy_mdm6600_device_power_on()
374 * they are used for OOB wake signaling. These can be also used in phy_mdm6600_device_power_on()
381 /* Request start-up mode */ in phy_mdm6600_device_power_on()
396 * from omap-usb-host trying to access the PHY. See also in phy_mdm6600_device_power_on()
397 * phy_mdm6600_init() for -EPROBE_DEFER. in phy_mdm6600_device_power_on()
400 ddata->enabled = true; in phy_mdm6600_device_power_on()
403 dev_info(ddata->dev, "Waiting for power up request to complete..\n"); in phy_mdm6600_device_power_on()
404 if (wait_for_completion_timeout(&ddata->ack, in phy_mdm6600_device_power_on()
406 if (ddata->status > PHY_MDM6600_STATUS_PANIC && in phy_mdm6600_device_power_on()
407 ddata->status < PHY_MDM6600_STATUS_SHUTDOWN_ACK) in phy_mdm6600_device_power_on()
408 dev_info(ddata->dev, "Powered up OK\n"); in phy_mdm6600_device_power_on()
410 ddata->enabled = false; in phy_mdm6600_device_power_on()
411 error = -ETIMEDOUT; in phy_mdm6600_device_power_on()
412 dev_err(ddata->dev, "Timed out powering up\n"); in phy_mdm6600_device_power_on()
415 /* Reconfigure mode1 GPIO as input for OOB wake */ in phy_mdm6600_device_power_on()
422 error = devm_request_threaded_irq(ddata->dev, wakeirq, NULL, in phy_mdm6600_device_power_on()
427 "mdm6600-wake", in phy_mdm6600_device_power_on()
430 dev_warn(ddata->dev, "no modem wakeirq irq%i: %i\n", in phy_mdm6600_device_power_on()
433 ddata->running = true; in phy_mdm6600_device_power_on()
439 * phy_mdm6600_device_power_off() - power off mdm6600 device
445 ddata->ctrl_gpios[PHY_MDM6600_RESET]; in phy_mdm6600_device_power_off()
448 ddata->enabled = false; in phy_mdm6600_device_power_off()
454 dev_info(ddata->dev, "Waiting for power down request to complete.. "); in phy_mdm6600_device_power_off()
455 if (wait_for_completion_timeout(&ddata->ack, in phy_mdm6600_device_power_off()
457 if (ddata->status == PHY_MDM6600_STATUS_PANIC) in phy_mdm6600_device_power_off()
458 dev_info(ddata->dev, "Powered down OK\n"); in phy_mdm6600_device_power_off()
460 dev_err(ddata->dev, "Timed out powering down\n"); in phy_mdm6600_device_power_off()
464 * Keep reset gpio high with padconf internal pull-up resistor to in phy_mdm6600_device_power_off()
466 * gpio bank lines can have glitches if not in the always-on wkup in phy_mdm6600_device_power_off()
469 error = pinctrl_pm_select_sleep_state(ddata->dev); in phy_mdm6600_device_power_off()
471 dev_warn(ddata->dev, "%s: error with sleep_state: %i\n", in phy_mdm6600_device_power_off()
484 dev_err(ddata->dev, "Device not functional\n"); in phy_mdm6600_deferred_power_on()
491 * the modem, runtime PM auto mode can be enabled so modem can enter low
498 mode_gpio0 = ddata->mode_gpios->desc[PHY_MDM6600_MODE0]; in phy_mdm6600_wake_modem()
502 if (ddata->awake) in phy_mdm6600_wake_modem()
517 * the wake GPIO, and sometimes it idles after about some 600 ms in phy_mdm6600_modem_wake()
520 schedule_delayed_work(&ddata->modem_wake_work, in phy_mdm6600_modem_wake()
528 cancel_delayed_work_sync(&ddata->modem_wake_work); in phy_mdm6600_runtime_suspend()
529 ddata->awake = false; in phy_mdm6600_runtime_suspend()
538 phy_mdm6600_modem_wake(&ddata->modem_wake_work.work); in phy_mdm6600_runtime_resume()
539 ddata->awake = true; in phy_mdm6600_runtime_resume()
550 { .compatible = "motorola,mapphone-mdm6600", },
560 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in phy_mdm6600_probe()
562 return -ENOMEM; in phy_mdm6600_probe()
564 INIT_DELAYED_WORK(&ddata->bootup_work, in phy_mdm6600_probe()
566 INIT_DELAYED_WORK(&ddata->status_work, phy_mdm6600_status); in phy_mdm6600_probe()
567 INIT_DELAYED_WORK(&ddata->modem_wake_work, phy_mdm6600_modem_wake); in phy_mdm6600_probe()
568 init_completion(&ddata->ack); in phy_mdm6600_probe()
570 ddata->dev = &pdev->dev; in phy_mdm6600_probe()
578 schedule_delayed_work(&ddata->bootup_work, 0); in phy_mdm6600_probe()
582 * to remove this eventually when ohci-platform can deal in phy_mdm6600_probe()
583 * with -EPROBE_DEFER. in phy_mdm6600_probe()
591 * gpio mode0 pin doubles as mdm6600 wake-up gpio. in phy_mdm6600_probe()
593 pm_runtime_use_autosuspend(ddata->dev); in phy_mdm6600_probe()
594 pm_runtime_set_autosuspend_delay(ddata->dev, in phy_mdm6600_probe()
596 pm_runtime_enable(ddata->dev); in phy_mdm6600_probe()
597 error = pm_runtime_get_sync(ddata->dev); in phy_mdm6600_probe()
599 dev_warn(ddata->dev, "failed to wake modem: %i\n", error); in phy_mdm6600_probe()
600 pm_runtime_put_noidle(ddata->dev); in phy_mdm6600_probe()
604 ddata->generic_phy = devm_phy_create(ddata->dev, NULL, &gpio_usb_ops); in phy_mdm6600_probe()
605 if (IS_ERR(ddata->generic_phy)) { in phy_mdm6600_probe()
606 error = PTR_ERR(ddata->generic_phy); in phy_mdm6600_probe()
610 phy_set_drvdata(ddata->generic_phy, ddata); in phy_mdm6600_probe()
612 ddata->phy_provider = in phy_mdm6600_probe()
613 devm_of_phy_provider_register(ddata->dev, in phy_mdm6600_probe()
615 if (IS_ERR(ddata->phy_provider)) in phy_mdm6600_probe()
616 error = PTR_ERR(ddata->phy_provider); in phy_mdm6600_probe()
619 pm_runtime_mark_last_busy(ddata->dev); in phy_mdm6600_probe()
620 pm_runtime_put_autosuspend(ddata->dev); in phy_mdm6600_probe()
625 pm_runtime_disable(ddata->dev); in phy_mdm6600_probe()
626 pm_runtime_dont_use_autosuspend(ddata->dev); in phy_mdm6600_probe()
635 struct gpio_desc *reset_gpio = ddata->ctrl_gpios[PHY_MDM6600_RESET]; in phy_mdm6600_remove()
637 pm_runtime_get_noresume(ddata->dev); in phy_mdm6600_remove()
638 pm_runtime_dont_use_autosuspend(ddata->dev); in phy_mdm6600_remove()
639 pm_runtime_put_sync(ddata->dev); in phy_mdm6600_remove()
640 pm_runtime_disable(ddata->dev); in phy_mdm6600_remove()
642 if (!ddata->running) in phy_mdm6600_remove()
643 wait_for_completion_timeout(&ddata->ack, in phy_mdm6600_remove()
649 cancel_delayed_work_sync(&ddata->modem_wake_work); in phy_mdm6600_remove()
650 cancel_delayed_work_sync(&ddata->bootup_work); in phy_mdm6600_remove()
651 cancel_delayed_work_sync(&ddata->status_work); in phy_mdm6600_remove()
658 .name = "phy-mapphone-mdm6600",