drivers/mfd/rohm-bd9576.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * ROHM BD9576MUF and BD9573MUF PMIC driver
13 #include <linux/mfd/rohm-bd957x.h>
14 #include <linux/mfd/rohm-generic.h>
28  * PMIC is populated in device-tree.
31 	DEFINE_RES_IRQ_NAMED(BD9576_INT_THERM, "bd9576-temp"),
32 	DEFINE_RES_IRQ_NAMED(BD9576_INT_OVD, "bd9576-ovd"),
33 	DEFINE_RES_IRQ_NAMED(BD9576_INT_UVD, "bd9576-uvd"),
37 	[BD957X_REGULATOR_CELL]	= { .name = "bd9573-regulator", },
38 	[BD957X_WDT_CELL]	= { .name = "bd9576-wdt", },
42 	[BD957X_REGULATOR_CELL]	= { .name = "bd9576-regulator", },
43 	[BD957X_WDT_CELL]	= { .name = "bd9576-wdt", },
101 	chip_type = (unsigned long)of_device_get_match_data(&i2c->dev);  in bd957x_i2c_probe()
107 		usable_irqs = !!i2c->irq;  in bd957x_i2c_probe()
119 		dev_err(&i2c->dev, "Unknown device type");  in bd957x_i2c_probe()
120 		return -EINVAL;  in bd957x_i2c_probe()
125 		return dev_err_probe(&i2c->dev, PTR_ERR(regmap),  in bd957x_i2c_probe()
129 	 * BD9576 behaves badly. It kepts IRQ line asserted for the whole  in bd957x_i2c_probe()
133 	 * provide IRQ resources to regulator driver - which then just omits  in bd957x_i2c_probe()
141 		regulators->resources = bd9576_regulator_irqs;  in bd957x_i2c_probe()
142 		regulators->num_resources = ARRAY_SIZE(bd9576_regulator_irqs);  in bd957x_i2c_probe()
144 		ret = devm_regmap_add_irq_chip(&i2c->dev, regmap, i2c->irq,  in bd957x_i2c_probe()
148 			return dev_err_probe(&i2c->dev, ret,  in bd957x_i2c_probe()
161 	ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, cells,  in bd957x_i2c_probe()
164 		dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");  in bd957x_i2c_probe()
170 	{ .compatible = "rohm,bd9576", .data = (void *)ROHM_CHIP_TYPE_BD9576, },
178 		.name = "rohm-bd957x",