1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/regulator/driver.h>
14 #include <linux/regulator/machine.h>
16 #include <dt-bindings/regulator/mediatek,mt6360-regulator.h>
223 	const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc;  in mt6360_regulator_set_mode()
225 	int shift = ffs(rdesc->mode_mask) - 1;  in mt6360_regulator_set_mode()
240 		return -EINVAL;  in mt6360_regulator_set_mode()
243 	ret = regmap_update_bits(regmap, rdesc->mode_reg, rdesc->mode_mask, val << shift);  in mt6360_regulator_set_mode()
245 		dev_err(&rdev->dev, "%s: fail (%d)\n", __func__, ret);  in mt6360_regulator_set_mode()
254 	const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc;  in mt6360_regulator_get_mode()
256 	int shift = ffs(rdesc->mode_mask) - 1;  in mt6360_regulator_get_mode()
260 	ret = regmap_read(regmap, rdesc->mode_reg, &val);  in mt6360_regulator_get_mode()
264 	val &= rdesc->mode_mask;  in mt6360_regulator_get_mode()
275 		return -EINVAL;  in mt6360_regulator_get_mode()
281 	const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc;  in mt6360_regulator_get_status()
286 	ret = regmap_read(regmap, rdesc->state_reg, &val);  in mt6360_regulator_get_status()
290 	if (val & rdesc->state_mask)  in mt6360_regulator_get_status()
331 		.regulators_node = of_match_ptr("regulator"),		\
382 		irq = platform_get_irq_byname(pdev, irq_desc->name);  in mt6360_regulator_irq_register()
386 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, irq_desc->handler, 0,  in mt6360_regulator_irq_register()
387 						irq_desc->name, rdev);  in mt6360_regulator_irq_register()
389 			dev_err(&pdev->dev, "Fail to request %s irq\n", irq_desc->name);  in mt6360_regulator_irq_register()
403 	mrd = devm_kzalloc(&pdev->dev, sizeof(*mrd), GFP_KERNEL);  in mt6360_regulator_probe()
405 		return -ENOMEM;  in mt6360_regulator_probe()
407 	mrd->dev = &pdev->dev;  in mt6360_regulator_probe()
409 	mrd->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in mt6360_regulator_probe()
410 	if (!mrd->regmap) {  in mt6360_regulator_probe()
411 		dev_err(&pdev->dev, "Failed to get parent regmap\n");  in mt6360_regulator_probe()
412 		return -ENODEV;  in mt6360_regulator_probe()
415 	config.dev = pdev->dev.parent;  in mt6360_regulator_probe()
417 	config.regmap = mrd->regmap;  in mt6360_regulator_probe()
423 		rdev = devm_regulator_register(&pdev->dev, &rdesc->desc, &config);  in mt6360_regulator_probe()
425 			dev_err(&pdev->dev, "Failed to register  %d regulator\n", i);  in mt6360_regulator_probe()
429 		ret = mt6360_regulator_irq_register(pdev, rdev, rdesc->irq_tables,  in mt6360_regulator_probe()
430 						    rdesc->irq_table_size);  in mt6360_regulator_probe()
432 			dev_err(&pdev->dev, "Failed to register  %d regulator irqs\n", i);  in mt6360_regulator_probe()
441 	{ "mt6360-regulator", 0 },
448 		.name = "mt6360-regulator",
456 MODULE_DESCRIPTION("MT6360 Regulator Driver");