1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
71  * struct pmic8xxx_pwrkey - pmic8xxx pwrkey information
107 		enable_irq_wake(pwrkey->key_press_irq);  in pmic8xxx_pwrkey_suspend()
117 		disable_irq_wake(pwrkey->key_press_irq);  in pmic8xxx_pwrkey_resume()
132 	if (pwrkey->shutdown_fn) {  in pmic8xxx_pwrkey_shutdown()
133 		error = pwrkey->shutdown_fn(pwrkey, reset);  in pmic8xxx_pwrkey_shutdown()
140 	 * Also ensure that KPD, CBL0, and CBL1 pull ups are enabled and that  in pmic8xxx_pwrkey_shutdown()
149 	regmap_update_bits(pwrkey->regmap, PON_CNTL_1, mask, val);  in pmic8xxx_pwrkey_shutdown()
154  * in the master enable register.  Also set it's pull down enable bit.
200 			return -EPERM;  in pm8058_disable_smps_locally_set_pull_down()
238 		/* Enable locally, enable pull down, keep voltage the same. */  in pm8058_disable_smps_locally_set_pull_down()
256 	/* Disable locally and enable pull down. */  in pm8058_disable_smps_locally_set_pull_down()
273 	/* Disable LDO in CTRL register and set pull down */  in pm8058_disable_ldo_locally_set_pull_down()
282 	struct regmap *regmap = pwrkey->regmap;  in pm8058_pwrkey_shutdown()
304 	 * Fix-up: Set regulator LDO22 to 1.225 V in high power mode. Leave its  in pm8058_pwrkey_shutdown()
305 	 * pull-down state intact. This ensures a safe shutdown.  in pm8058_pwrkey_shutdown()
321 	struct regmap *regmap = pwrkey->regmap;  in pm8921_pwrkey_shutdown()
344 	if (of_property_read_u32(pdev->dev.of_node, "debounce", &kpd_delay))  in pmic8xxx_pwrkey_probe()
349 		dev_err(&pdev->dev, "invalid power key trigger delay\n");  in pmic8xxx_pwrkey_probe()
350 		return -EINVAL;  in pmic8xxx_pwrkey_probe()
353 	pull_up = of_property_read_bool(pdev->dev.of_node, "pull-up");  in pmic8xxx_pwrkey_probe()
355 	regmap = dev_get_regmap(pdev->dev.parent, NULL);  in pmic8xxx_pwrkey_probe()
357 		dev_err(&pdev->dev, "failed to locate regmap for the device\n");  in pmic8xxx_pwrkey_probe()
358 		return -ENODEV;  in pmic8xxx_pwrkey_probe()
361 	pwrkey = devm_kzalloc(&pdev->dev, sizeof(*pwrkey), GFP_KERNEL);  in pmic8xxx_pwrkey_probe()
363 		return -ENOMEM;  in pmic8xxx_pwrkey_probe()
365 	pwrkey->shutdown_fn = of_device_get_match_data(&pdev->dev);  in pmic8xxx_pwrkey_probe()
366 	pwrkey->regmap = regmap;  in pmic8xxx_pwrkey_probe()
367 	pwrkey->key_press_irq = key_press_irq;  in pmic8xxx_pwrkey_probe()
369 	pwr = devm_input_allocate_device(&pdev->dev);  in pmic8xxx_pwrkey_probe()
371 		dev_dbg(&pdev->dev, "Can't allocate power button\n");  in pmic8xxx_pwrkey_probe()
372 		return -ENOMEM;  in pmic8xxx_pwrkey_probe()
377 	pwr->name = "pmic8xxx_pwrkey";  in pmic8xxx_pwrkey_probe()
378 	pwr->phys = "pmic8xxx_pwrkey/input0";  in pmic8xxx_pwrkey_probe()
385 		dev_err(&pdev->dev, "failed reading PON_CNTL_1 err=%d\n", err);  in pmic8xxx_pwrkey_probe()
398 		dev_err(&pdev->dev, "failed writing PON_CNTL_1 err=%d\n", err);  in pmic8xxx_pwrkey_probe()
402 	err = devm_request_irq(&pdev->dev, key_press_irq, pwrkey_press_irq,  in pmic8xxx_pwrkey_probe()
406 		dev_err(&pdev->dev, "Can't get %d IRQ for pwrkey: %d\n",  in pmic8xxx_pwrkey_probe()
411 	err = devm_request_irq(&pdev->dev, key_release_irq, pwrkey_release_irq,  in pmic8xxx_pwrkey_probe()
415 		dev_err(&pdev->dev, "Can't get %d IRQ for pwrkey: %d\n",  in pmic8xxx_pwrkey_probe()
422 		dev_err(&pdev->dev, "Can't register power key: %d\n", err);  in pmic8xxx_pwrkey_probe()
427 	device_init_wakeup(&pdev->dev, 1);  in pmic8xxx_pwrkey_probe()
433 	{ .compatible = "qcom,pm8058-pwrkey", .data = &pm8058_pwrkey_shutdown },
434 	{ .compatible = "qcom,pm8921-pwrkey", .data = &pm8921_pwrkey_shutdown },
443 		.name	= "pm8xxx-pwrkey",