3  * Core support for ATC260x PMICs
10 #include <linux/mfd/atc260x/core.h>
123 	{ .name = "atc260x-regulator" },
124 	{ .name = "atc260x-pwrc" },
126 		.name = "atc260x-onkey",
133 	{ .name = "atc260x-regulator" },
134 	{ .name = "atc260x-pwrc" },
136 		.name = "atc260x-onkey",
158 static void atc260x_cmu_reset(struct atc260x *atc260x)  in atc260x_cmu_reset()  argument
160 	const struct atc260x_init_regs *regs = atc260x->init_regs;  in atc260x_cmu_reset()
163 	regmap_update_bits(atc260x->regmap, regs->cmu_devrst,  in atc260x_cmu_reset()
167 	regmap_update_bits(atc260x->regmap, regs->cmu_devrst,  in atc260x_cmu_reset()
171 static void atc260x_dev_init(struct atc260x *atc260x)  in atc260x_dev_init()  argument
173 	const struct atc260x_init_regs *regs = atc260x->init_regs;  in atc260x_dev_init()
176 	atc260x_cmu_reset(atc260x);  in atc260x_dev_init()
179 	regmap_write(atc260x->regmap, regs->ints_msk, 0);  in atc260x_dev_init()
182 	regmap_update_bits(atc260x->regmap, regs->pad_en,  in atc260x_dev_init()
187  * atc260x_match_device(): Setup ATC260x variant related fields
189  * @atc260x: ATC260x device to setup (.dev field must be set)
190  * @regmap_cfg: regmap config associated with this ATC260x device
192  * This lets the ATC260x core configure the MFD cells and register maps
195 int atc260x_match_device(struct atc260x *atc260x, struct regmap_config *regmap_cfg)  in atc260x_match_device()  argument
197 	struct device *dev = atc260x->dev;  in atc260x_match_device()
204 	atc260x->ic_type = (unsigned long)of_data;  in atc260x_match_device()
206 	switch (atc260x->ic_type) {  in atc260x_match_device()
209 		atc260x->regmap_irq_chip = &atc2603c_regmap_irq_chip;  in atc260x_match_device()
210 		atc260x->cells = atc2603c_mfd_cells;  in atc260x_match_device()
211 		atc260x->nr_cells = ARRAY_SIZE(atc2603c_mfd_cells);  in atc260x_match_device()
212 		atc260x->type_name = "atc2603c";  in atc260x_match_device()
213 		atc260x->rev_reg = ATC2603C_CHIP_VER;  in atc260x_match_device()
214 		atc260x->init_regs = &atc2603c_init_regs;  in atc260x_match_device()
218 		atc260x->regmap_irq_chip = &atc2609a_regmap_irq_chip;  in atc260x_match_device()
219 		atc260x->cells = atc2609a_mfd_cells;  in atc260x_match_device()
220 		atc260x->nr_cells = ARRAY_SIZE(atc2609a_mfd_cells);  in atc260x_match_device()
221 		atc260x->type_name = "atc2609a";  in atc260x_match_device()
222 		atc260x->rev_reg = ATC2609A_CHIP_VER;  in atc260x_match_device()
223 		atc260x->init_regs = &atc2609a_init_regs;  in atc260x_match_device()
226 		dev_err(dev, "Unsupported ATC260x device type: %u\n",  in atc260x_match_device()
227 			atc260x->ic_type);  in atc260x_match_device()
231 	atc260x->regmap_mutex = devm_kzalloc(dev, sizeof(*atc260x->regmap_mutex),  in atc260x_match_device()
233 	if (!atc260x->regmap_mutex)  in atc260x_match_device()
236 	mutex_init(atc260x->regmap_mutex);  in atc260x_match_device()
240 	regmap_cfg->lock_arg = atc260x->regmap_mutex;  in atc260x_match_device()
247  * atc260x_device_probe(): Probe a configured ATC260x device
249  * @atc260x: ATC260x device to probe (must be configured)
251  * This function lets the ATC260x core register the ATC260x MFD devices
252  * and IRQCHIP. The ATC260x device passed in must be fully configured
255 int atc260x_device_probe(struct atc260x *atc260x)  in atc260x_device_probe()  argument
257 	struct device *dev = atc260x->dev;  in atc260x_device_probe()
261 	if (!atc260x->irq) {  in atc260x_device_probe()
267 	atc260x_dev_init(atc260x);  in atc260x_device_probe()
269 	ret = regmap_read(atc260x->regmap, atc260x->rev_reg, &chip_rev);  in atc260x_device_probe()
280 	atc260x->ic_ver = __ffs(chip_rev + 1U);  in atc260x_device_probe()
283 		 atc260x->type_name, 'A' + atc260x->ic_ver);  in atc260x_device_probe()
285 	ret = devm_regmap_add_irq_chip(dev, atc260x->regmap, atc260x->irq, IRQF_ONESHOT,  in atc260x_device_probe()
286 				       -1, atc260x->regmap_irq_chip, &atc260x->irq_data);  in atc260x_device_probe()
293 				   atc260x->cells, atc260x->nr_cells, NULL, 0,  in atc260x_device_probe()
294 				   regmap_irq_get_domain(atc260x->irq_data));  in atc260x_device_probe()
297 		regmap_del_irq_chip(atc260x->irq, atc260x->irq_data);  in atc260x_device_probe()
304 MODULE_DESCRIPTION("ATC260x PMICs Core support");