drivers/mfd/rohm-bd718x7.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
5 // ROHM BD71837MWV and BD71847MWV PMIC driver
8 // https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e
14 #include <linux/mfd/rohm-bd718x7.h>
23 	.gpio = -1,
30 	.name = "bd718xx-pwrkey",
35 		.name = "gpio-keys",
39 	{ .name = "bd71837-clk", },
40 	{ .name = "bd71837-pmic", },
45 		.name = "gpio-keys",
49 	{ .name = "bd71847-clk", },
50 	{ .name = "bd71847-pmic", },
64 	.name = "bd718xx-irq",
89 	.max_register = BD718XX_MAX_REGISTER - 1,
100 	ret = of_property_read_u32(dev->of_node, "rohm,short-press-ms",  in bd718xx_init_press_duration()
113 	ret = of_property_read_u32(dev->of_node, "rohm,long-press-ms",  in bd718xx_init_press_duration()
138 	if (!i2c->irq) {  in bd718xx_i2c_probe()
139 		dev_err(&i2c->dev, "No IRQ configured\n");  in bd718xx_i2c_probe()
140 		return -EINVAL;  in bd718xx_i2c_probe()
143 		    of_device_get_match_data(&i2c->dev);  in bd718xx_i2c_probe()
154 		dev_err(&i2c->dev, "Unknown device type");  in bd718xx_i2c_probe()
155 		return -EINVAL;  in bd718xx_i2c_probe()
160 		return dev_err_probe(&i2c->dev, PTR_ERR(regmap),  in bd718xx_i2c_probe()
163 	ret = devm_regmap_add_irq_chip(&i2c->dev, regmap, i2c->irq,  in bd718xx_i2c_probe()
167 		return dev_err_probe(&i2c->dev, ret, "Failed to add irq_chip\n");  in bd718xx_i2c_probe()
169 	ret = bd718xx_init_press_duration(regmap, &i2c->dev);  in bd718xx_i2c_probe()
176 		return dev_err_probe(&i2c->dev, ret, "Failed to get the IRQ\n");  in bd718xx_i2c_probe()
180 	ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,  in bd718xx_i2c_probe()
184 		dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");  in bd718xx_i2c_probe()
195 		.compatible = "rohm,bd71847",
208 		.name = "rohm-bd718x7",
229 MODULE_DESCRIPTION("ROHM BD71837/BD71847 Power Management IC driver");