47 	struct bbnsm_pwrkey *bbnsm = from_timer(bbnsm, t, check_timer);  in bbnsm_pwrkey_check_for_events()  local
48 	struct input_dev *input = bbnsm->input;  in bbnsm_pwrkey_check_for_events()
51 	regmap_read(bbnsm->regmap, BBNSM_EVENTS, &state);  in bbnsm_pwrkey_check_for_events()
56 	if (state ^ bbnsm->keystate) {  in bbnsm_pwrkey_check_for_events()
57 		bbnsm->keystate = state;  in bbnsm_pwrkey_check_for_events()
58 		input_event(input, EV_KEY, bbnsm->keycode, state);  in bbnsm_pwrkey_check_for_events()
60 		pm_relax(bbnsm->input->dev.parent);  in bbnsm_pwrkey_check_for_events()
65 		mod_timer(&bbnsm->check_timer,  in bbnsm_pwrkey_check_for_events()
72 	struct bbnsm_pwrkey *bbnsm = platform_get_drvdata(pdev);  in bbnsm_pwrkey_interrupt()  local
75 	regmap_read(bbnsm->regmap, BBNSM_EVENTS, &event);  in bbnsm_pwrkey_interrupt()
79 	pm_wakeup_event(bbnsm->input->dev.parent, 0);  in bbnsm_pwrkey_interrupt()
81 	mod_timer(&bbnsm->check_timer,  in bbnsm_pwrkey_interrupt()
85 	regmap_write(bbnsm->regmap, BBNSM_EVENTS, BBNSM_BTN_OFF);  in bbnsm_pwrkey_interrupt()
92 	struct bbnsm_pwrkey *bbnsm = pdata;  in bbnsm_pwrkey_act()  local
94 	timer_shutdown_sync(&bbnsm->check_timer);  in bbnsm_pwrkey_act()
99 	struct bbnsm_pwrkey *bbnsm;  in bbnsm_pwrkey_probe()  local
104 	bbnsm = devm_kzalloc(&pdev->dev, sizeof(*bbnsm), GFP_KERNEL);  in bbnsm_pwrkey_probe()
105 	if (!bbnsm)  in bbnsm_pwrkey_probe()
108 	bbnsm->regmap = syscon_node_to_regmap(np->parent);  in bbnsm_pwrkey_probe()
109 	if (IS_ERR(bbnsm->regmap)) {  in bbnsm_pwrkey_probe()
110 		dev_err(&pdev->dev, "bbnsm pwerkey get regmap failed\n");  in bbnsm_pwrkey_probe()
111 		return PTR_ERR(bbnsm->regmap);  in bbnsm_pwrkey_probe()
115 				     &bbnsm->keycode)) {  in bbnsm_pwrkey_probe()
116 		bbnsm->keycode = KEY_POWER;  in bbnsm_pwrkey_probe()
120 	bbnsm->irq = platform_get_irq(pdev, 0);  in bbnsm_pwrkey_probe()
121 	if (bbnsm->irq < 0)  in bbnsm_pwrkey_probe()
124 	/* config the BBNSM power related register */  in bbnsm_pwrkey_probe()
125 	regmap_update_bits(bbnsm->regmap, BBNSM_CTRL, BBNSM_DP_EN, BBNSM_DP_EN);  in bbnsm_pwrkey_probe()
128 	regmap_write_bits(bbnsm->regmap, BBNSM_EVENTS, BBNSM_PWRKEY_EVENTS,  in bbnsm_pwrkey_probe()
131 	timer_setup(&bbnsm->check_timer, bbnsm_pwrkey_check_for_events, 0);  in bbnsm_pwrkey_probe()
140 	input->phys = "bbnsm-pwrkey/input0";  in bbnsm_pwrkey_probe()
143 	input_set_capability(input, EV_KEY, bbnsm->keycode);  in bbnsm_pwrkey_probe()
146 	error = devm_add_action(&pdev->dev, bbnsm_pwrkey_act, bbnsm);  in bbnsm_pwrkey_probe()
152 	bbnsm->input = input;  in bbnsm_pwrkey_probe()
153 	platform_set_drvdata(pdev, bbnsm);  in bbnsm_pwrkey_probe()
155 	error = devm_request_irq(&pdev->dev, bbnsm->irq, bbnsm_pwrkey_interrupt,  in bbnsm_pwrkey_probe()
169 	error = dev_pm_set_wake_irq(&pdev->dev, bbnsm->irq);  in bbnsm_pwrkey_probe()
177 	{ .compatible = "nxp,imx93-bbnsm-pwrkey" },
192 MODULE_DESCRIPTION("NXP bbnsm power key Driver");