1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/mfd/sc27xx-pmic.h>
15 #include <uapi/linux/usb/charger.h>
28 /* PMIC charger detection definition */
74 	const struct sprd_pmic_data *pdata = ddata->pdata;  in sprd_pmic_detect_charger_type()
79 	ret = regmap_read_poll_timeout(ddata->regmap, pdata->charger_det, val,  in sprd_pmic_detect_charger_type()
84 		dev_err(&spi->dev, "failed to detect charger type\n");  in sprd_pmic_detect_charger_type()
126 		return -EINVAL;  in sprd_pmic_spi_read()
158 	pdata = of_device_get_match_data(&spi->dev);  in sprd_pmic_probe()
160 		dev_err(&spi->dev, "No matching driver data found\n");  in sprd_pmic_probe()
161 		return -EINVAL;  in sprd_pmic_probe()
164 	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);  in sprd_pmic_probe()
166 		return -ENOMEM;  in sprd_pmic_probe()
168 	ddata->regmap = devm_regmap_init(&spi->dev, &sprd_pmic_regmap,  in sprd_pmic_probe()
169 					 &spi->dev, &sprd_pmic_config);  in sprd_pmic_probe()
170 	if (IS_ERR(ddata->regmap)) {  in sprd_pmic_probe()
171 		ret = PTR_ERR(ddata->regmap);  in sprd_pmic_probe()
172 		dev_err(&spi->dev, "Failed to allocate register map %d\n", ret);  in sprd_pmic_probe()
177 	ddata->dev = &spi->dev;  in sprd_pmic_probe()
178 	ddata->irq = spi->irq;  in sprd_pmic_probe()
179 	ddata->pdata = pdata;  in sprd_pmic_probe()
181 	ddata->irq_chip.name = dev_name(&spi->dev);  in sprd_pmic_probe()
182 	ddata->irq_chip.status_base =  in sprd_pmic_probe()
183 		pdata->irq_base + SPRD_PMIC_INT_MASK_STATUS;  in sprd_pmic_probe()
184 	ddata->irq_chip.unmask_base = pdata->irq_base + SPRD_PMIC_INT_EN;  in sprd_pmic_probe()
185 	ddata->irq_chip.ack_base = 0;  in sprd_pmic_probe()
186 	ddata->irq_chip.num_regs = 1;  in sprd_pmic_probe()
187 	ddata->irq_chip.num_irqs = pdata->num_irqs;  in sprd_pmic_probe()
189 	ddata->irqs = devm_kcalloc(&spi->dev,  in sprd_pmic_probe()
190 				   pdata->num_irqs, sizeof(struct regmap_irq),  in sprd_pmic_probe()
192 	if (!ddata->irqs)  in sprd_pmic_probe()
193 		return -ENOMEM;  in sprd_pmic_probe()
195 	ddata->irq_chip.irqs = ddata->irqs;  in sprd_pmic_probe()
196 	for (i = 0; i < pdata->num_irqs; i++)  in sprd_pmic_probe()
197 		ddata->irqs[i].mask = BIT(i);  in sprd_pmic_probe()
199 	ret = devm_regmap_add_irq_chip(&spi->dev, ddata->regmap, ddata->irq,  in sprd_pmic_probe()
201 				       &ddata->irq_chip, &ddata->irq_data);  in sprd_pmic_probe()
203 		dev_err(&spi->dev, "Failed to add PMIC irq chip %d\n", ret);  in sprd_pmic_probe()
207 	ret = devm_of_platform_populate(&spi->dev);  in sprd_pmic_probe()
209 		dev_err(&spi->dev, "Failed to populate sub-devices %d\n", ret);  in sprd_pmic_probe()
213 	device_init_wakeup(&spi->dev, true);  in sprd_pmic_probe()
222 		enable_irq_wake(ddata->irq);  in sprd_pmic_suspend()
232 		disable_irq_wake(ddata->irq);  in sprd_pmic_resume()
242 	{ .compatible = "sprd,sc2731", .data = &sc2731_data },
249 	{ .name = "sc2731", .driver_data = (unsigned long)&sc2731_data },
256 		.name = "sc27xx-pmic",