drivers/mfd/rohm-bd71828.c

1 // SPDX-License-Identifier: GPL-2.0-only
5 // ROHM BD71828 PMIC driver
14 #include <linux/mfd/rohm-bd71828.h>
22 	.gpio = -1,
29 	.name = "bd71828-pwrkey",
33 	DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC0, "bd71828-rtc-alm-0"),
34 	DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC1, "bd71828-rtc-alm-1"),
35 	DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC2, "bd71828-rtc-alm-2"),
39 	{ .name = "bd71828-pmic", },
40 	{ .name = "bd71828-gpio", },
41 	{ .name = "bd71828-led", .of_compatible = "rohm,bd71828-leds" },
46 	{ .name = "bd71828-clk", },
47 	{ .name = "bd71827-power", },
49 		.name = "bd71828-rtc",
53 		.name = "gpio-keys",
97  * Mapping of main IRQ register bits to sub-IRQ register offsets so that we can
98  * access corect sub-IRQ registers based on bits that are set in main IRQ
281 	if (!i2c->irq) {  in bd71828_i2c_probe()
282 		dev_err(&i2c->dev, "No IRQ configured\n");  in bd71828_i2c_probe()
283 		return -EINVAL;  in bd71828_i2c_probe()
286 	chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL);  in bd71828_i2c_probe()
288 		return -ENOMEM;  in bd71828_i2c_probe()
290 	dev_set_drvdata(&i2c->dev, chip);  in bd71828_i2c_probe()
292 	chip->regmap = devm_regmap_init_i2c(i2c, &bd71828_regmap);  in bd71828_i2c_probe()
293 	if (IS_ERR(chip->regmap)) {  in bd71828_i2c_probe()
294 		dev_err(&i2c->dev, "Failed to initialize Regmap\n");  in bd71828_i2c_probe()
295 		return PTR_ERR(chip->regmap);  in bd71828_i2c_probe()
298 	ret = devm_regmap_add_irq_chip(&i2c->dev, chip->regmap,  in bd71828_i2c_probe()
299 				       i2c->irq, IRQF_ONESHOT, 0,  in bd71828_i2c_probe()
302 		dev_err(&i2c->dev, "Failed to add IRQ chip\n");  in bd71828_i2c_probe()
306 	dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n",  in bd71828_i2c_probe()
311 		dev_err(&i2c->dev, "Failed to get the power-key IRQ\n");  in bd71828_i2c_probe()
317 	ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,  in bd71828_i2c_probe()
322 		dev_err(&i2c->dev, "Failed to create subdevices\n");  in bd71828_i2c_probe()
328 	{ .compatible = "rohm,bd71828", },
335 		.name = "rohm-bd71828",
343 MODULE_DESCRIPTION("ROHM BD71828 Power Management IC driver");