1 // SPDX-License-Identifier: GPL-2.0-only
57 	u32 rst_lprst_mask; /* Long-press reset timeout bitmask */
167 	kregs_home = &regs->keys_regs[MTK_PMIC_HOMEKEY_INDEX];  in mtk_pmic_keys_lp_reset_setup()
168 	kregs_pwr = &regs->keys_regs[MTK_PMIC_PWRKEY_INDEX];  in mtk_pmic_keys_lp_reset_setup()
170 	error = of_property_read_u32(keys->dev->of_node, "power-off-time-sec",  in mtk_pmic_keys_lp_reset_setup()
175 	mask = regs->rst_lprst_mask;  in mtk_pmic_keys_lp_reset_setup()
176 	value = long_press_debounce << (ffs(regs->rst_lprst_mask) - 1);  in mtk_pmic_keys_lp_reset_setup()
178 	error  = of_property_read_u32(keys->dev->of_node,  in mtk_pmic_keys_lp_reset_setup()
179 				      "mediatek,long-press-mode",  in mtk_pmic_keys_lp_reset_setup()
186 		value |= kregs_home->rst_en_mask;  in mtk_pmic_keys_lp_reset_setup()
190 		value |= kregs_pwr->rst_en_mask;  in mtk_pmic_keys_lp_reset_setup()
194 		mask |= kregs_home->rst_en_mask;  in mtk_pmic_keys_lp_reset_setup()
195 		mask |= kregs_pwr->rst_en_mask;  in mtk_pmic_keys_lp_reset_setup()
202 	regmap_update_bits(keys->regmap, regs->pmic_rst_reg, mask, value);  in mtk_pmic_keys_lp_reset_setup()
210 	regmap_read(info->keys->regmap, info->regs->deb_reg, &key_deb);  in mtk_pmic_keys_irq_handler_thread()
212 	key_deb &= info->regs->deb_mask;  in mtk_pmic_keys_irq_handler_thread()
216 	input_report_key(info->keys->input_dev, info->keycode, pressed);  in mtk_pmic_keys_irq_handler_thread()
217 	input_sync(info->keys->input_dev);  in mtk_pmic_keys_irq_handler_thread()
219 	dev_dbg(info->keys->dev, "(%s) key =%d using PMIC\n",  in mtk_pmic_keys_irq_handler_thread()
220 		 pressed ? "pressed" : "released", info->keycode);  in mtk_pmic_keys_irq_handler_thread()
230 	info->keys = keys;  in mtk_pmic_key_setup()
232 	ret = regmap_update_bits(keys->regmap, info->regs->intsel_reg,  in mtk_pmic_key_setup()
233 				 info->regs->intsel_mask,  in mtk_pmic_key_setup()
234 				 info->regs->intsel_mask);  in mtk_pmic_key_setup()
238 	ret = devm_request_threaded_irq(keys->dev, info->irq, NULL,  in mtk_pmic_key_setup()
241 					"mtk-pmic-keys", info);  in mtk_pmic_key_setup()
243 		dev_err(keys->dev, "Failed to request IRQ: %d: %d\n",  in mtk_pmic_key_setup()
244 			info->irq, ret);  in mtk_pmic_key_setup()
248 	if (info->irq_r > 0) {  in mtk_pmic_key_setup()
249 		ret = devm_request_threaded_irq(keys->dev, info->irq_r, NULL,  in mtk_pmic_key_setup()
252 						"mtk-pmic-keys", info);  in mtk_pmic_key_setup()
254 			dev_err(keys->dev, "Failed to request IRQ_r: %d: %d\n",  in mtk_pmic_key_setup()
255 				info->irq, ret);  in mtk_pmic_key_setup()
260 	input_set_capability(keys->input_dev, EV_KEY, info->keycode);  in mtk_pmic_key_setup()
271 		if (keys->keys[index].wakeup) {  in mtk_pmic_keys_suspend()
272 			enable_irq_wake(keys->keys[index].irq);  in mtk_pmic_keys_suspend()
273 			if (keys->keys[index].irq_r > 0)  in mtk_pmic_keys_suspend()
274 				enable_irq_wake(keys->keys[index].irq_r);  in mtk_pmic_keys_suspend()
287 		if (keys->keys[index].wakeup) {  in mtk_pmic_keys_resume()
288 			disable_irq_wake(keys->keys[index].irq);  in mtk_pmic_keys_resume()
289 			if (keys->keys[index].irq_r > 0)  in mtk_pmic_keys_resume()
290 				disable_irq_wake(keys->keys[index].irq_r);  in mtk_pmic_keys_resume()
302 		.compatible = "mediatek,mt6397-keys",
305 		.compatible = "mediatek,mt6323-keys",
308 		.compatible = "mediatek,mt6331-keys",
311 		.compatible = "mediatek,mt6357-keys",
314 		.compatible = "mediatek,mt6358-keys",
317 		.compatible = "mediatek,mt6359-keys",
329 	struct mt6397_chip *pmic_chip = dev_get_drvdata(pdev->dev.parent);  in mtk_pmic_keys_probe()
330 	struct device_node *node = pdev->dev.of_node;  in mtk_pmic_keys_probe()
337 		of_match_device(of_mtk_pmic_keys_match_tbl, &pdev->dev);  in mtk_pmic_keys_probe()
339 	keys = devm_kzalloc(&pdev->dev, sizeof(*keys), GFP_KERNEL);  in mtk_pmic_keys_probe()
341 		return -ENOMEM;  in mtk_pmic_keys_probe()
343 	keys->dev = &pdev->dev;  in mtk_pmic_keys_probe()
344 	keys->regmap = pmic_chip->regmap;  in mtk_pmic_keys_probe()
345 	mtk_pmic_regs = of_id->data;  in mtk_pmic_keys_probe()
347 	keys->input_dev = input_dev = devm_input_allocate_device(keys->dev);  in mtk_pmic_keys_probe()
349 		dev_err(keys->dev, "input allocate device fail.\n");  in mtk_pmic_keys_probe()
350 		return -ENOMEM;  in mtk_pmic_keys_probe()
353 	input_dev->name = "mtk-pmic-keys";  in mtk_pmic_keys_probe()
354 	input_dev->id.bustype = BUS_HOST;  in mtk_pmic_keys_probe()
355 	input_dev->id.vendor = 0x0001;  in mtk_pmic_keys_probe()
356 	input_dev->id.product = 0x0001;  in mtk_pmic_keys_probe()
357 	input_dev->id.version = 0x0001;  in mtk_pmic_keys_probe()
362 		dev_err(keys->dev, "too many keys defined (%d)\n", keycount);  in mtk_pmic_keys_probe()
363 		return -EINVAL;  in mtk_pmic_keys_probe()
367 		keys->keys[index].regs = &mtk_pmic_regs->keys_regs[index];  in mtk_pmic_keys_probe()
369 		keys->keys[index].irq =  in mtk_pmic_keys_probe()
371 		if (keys->keys[index].irq < 0)  in mtk_pmic_keys_probe()
372 			return keys->keys[index].irq;  in mtk_pmic_keys_probe()
374 		if (mtk_pmic_regs->key_release_irq) {  in mtk_pmic_keys_probe()
375 			keys->keys[index].irq_r = platform_get_irq_byname(pdev,  in mtk_pmic_keys_probe()
378 			if (keys->keys[index].irq_r < 0)  in mtk_pmic_keys_probe()
379 				return keys->keys[index].irq_r;  in mtk_pmic_keys_probe()
383 			"linux,keycodes", &keys->keys[index].keycode);  in mtk_pmic_keys_probe()
385 			dev_err(keys->dev,  in mtk_pmic_keys_probe()
391 		if (of_property_read_bool(child, "wakeup-source"))  in mtk_pmic_keys_probe()
392 			keys->keys[index].wakeup = true;  in mtk_pmic_keys_probe()
394 		error = mtk_pmic_key_setup(keys, &keys->keys[index]);  in mtk_pmic_keys_probe()
403 		dev_err(&pdev->dev,  in mtk_pmic_keys_probe()
418 		   .name = "mtk-pmic-keys",
428 MODULE_DESCRIPTION("MTK pmic-keys driver v0.1");