1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * tps65910.c  --  TI TPS6591x chip family multi-function driver
34 		.name = "tps65910-gpio",
37 		.name = "tps65910-pmic",
40 		.name = "tps65910-rtc",
45 		.name = "tps65910-power",
229 		dev_warn(tps65910->dev, "No interrupt support, no core IRQ\n");  in tps65910_irq_init()
230 		return -EINVAL;  in tps65910_irq_init()
234 		dev_warn(tps65910->dev, "No interrupt support, no pdata\n");  in tps65910_irq_init()
235 		return -EINVAL;  in tps65910_irq_init()
247 	tps65910->chip_irq = irq;  in tps65910_irq_init()
248 	ret = devm_regmap_add_irq_chip(tps65910->dev, tps65910->regmap,  in tps65910_irq_init()
249 				       tps65910->chip_irq,  in tps65910_irq_init()
250 				       IRQF_ONESHOT, pdata->irq_base,  in tps65910_irq_init()
251 				       tps6591x_irqs_chip, &tps65910->irq_data);  in tps65910_irq_init()
253 		dev_warn(tps65910->dev, "Failed to add irq_chip %d\n", ret);  in tps65910_irq_init()
254 		tps65910->chip_irq = 0;  in tps65910_irq_init()
269 		/* Check for non-existing register */  in is_volatile_reg()
283 	.max_register = TPS65910_MAX_REGISTER - 1,
292 	if (!pmic_pdata->en_ck32k_xtal)  in tps65910_ck32k_init()
295 	ret = regmap_clear_bits(tps65910->regmap, TPS65910_DEVCTRL,  in tps65910_ck32k_init()
298 		dev_err(tps65910->dev, "clear ck32k_ctrl failed: %d\n", ret);  in tps65910_ck32k_init()
311 	if (!pmic_pdata->en_dev_slp)  in tps65910_sleepinit()
314 	dev = tps65910->dev;  in tps65910_sleepinit()
316 	/* enabling SLEEP device state */  in tps65910_sleepinit()
317 	ret = regmap_set_bits(tps65910->regmap, TPS65910_DEVCTRL,  in tps65910_sleepinit()
324 	if (pmic_pdata->slp_keepon.therm_keepon) {  in tps65910_sleepinit()
325 		ret = regmap_set_bits(tps65910->regmap,  in tps65910_sleepinit()
334 	if (pmic_pdata->slp_keepon.clkout32k_keepon) {  in tps65910_sleepinit()
335 		ret = regmap_set_bits(tps65910->regmap,  in tps65910_sleepinit()
344 	if (pmic_pdata->slp_keepon.i2chs_keepon) {  in tps65910_sleepinit()
345 		ret = regmap_set_bits(tps65910->regmap,  in tps65910_sleepinit()
357 	regmap_clear_bits(tps65910->regmap, TPS65910_DEVCTRL,  in tps65910_sleepinit()
374 	struct device_node *np = client->dev.of_node;  in tps65910_parse_dt()
379 	*chip_id  = (unsigned long)device_get_match_data(&client->dev);  in tps65910_parse_dt()
381 	board_info = devm_kzalloc(&client->dev, sizeof(*board_info),  in tps65910_parse_dt()
386 	ret = of_property_read_u32(np, "ti,vmbch-threshold", &prop);  in tps65910_parse_dt()
388 		board_info->vmbch_threshold = prop;  in tps65910_parse_dt()
390 	ret = of_property_read_u32(np, "ti,vmbch2-threshold", &prop);  in tps65910_parse_dt()
392 		board_info->vmbch2_threshold = prop;  in tps65910_parse_dt()
394 	prop = of_property_read_bool(np, "ti,en-ck32k-xtal");  in tps65910_parse_dt()
395 	board_info->en_ck32k_xtal = prop;  in tps65910_parse_dt()
397 	prop = of_property_read_bool(np, "ti,sleep-enable");  in tps65910_parse_dt()
398 	board_info->en_dev_slp = prop;  in tps65910_parse_dt()
400 	prop = of_property_read_bool(np, "ti,sleep-keep-therm");  in tps65910_parse_dt()
401 	board_info->slp_keepon.therm_keepon = prop;  in tps65910_parse_dt()
403 	prop = of_property_read_bool(np, "ti,sleep-keep-ck32k");  in tps65910_parse_dt()
404 	board_info->slp_keepon.clkout32k_keepon = prop;  in tps65910_parse_dt()
406 	prop = of_property_read_bool(np, "ti,sleep-keep-hsclk");  in tps65910_parse_dt()
407 	board_info->slp_keepon.i2chs_keepon = prop;  in tps65910_parse_dt()
409 	board_info->irq = client->irq;  in tps65910_parse_dt()
410 	board_info->irq_base = -1;  in tps65910_parse_dt()
411 	board_info->pm_off = of_property_read_bool(np,  in tps65910_parse_dt()
412 			"ti,system-power-controller");  in tps65910_parse_dt()
430 	tps65910 = dev_get_drvdata(&tps65910_i2c_client->dev);  in tps65910_power_off()
432 	regmap_update_bits(tps65910->regmap, TPS65910_DEVCTRL,  in tps65910_power_off()
444 	unsigned long chip_id = id->driver_data;  in tps65910_i2c_probe()
447 	pmic_plat_data = dev_get_platdata(&i2c->dev);  in tps65910_i2c_probe()
449 	if (!pmic_plat_data && i2c->dev.of_node) {  in tps65910_i2c_probe()
455 		return -EINVAL;  in tps65910_i2c_probe()
457 	init_data = devm_kzalloc(&i2c->dev, sizeof(*init_data), GFP_KERNEL);  in tps65910_i2c_probe()
459 		return -ENOMEM;  in tps65910_i2c_probe()
461 	tps65910 = devm_kzalloc(&i2c->dev, sizeof(*tps65910), GFP_KERNEL);  in tps65910_i2c_probe()
463 		return -ENOMEM;  in tps65910_i2c_probe()
465 	tps65910->of_plat_data = of_pmic_plat_data;  in tps65910_i2c_probe()
467 	tps65910->dev = &i2c->dev;  in tps65910_i2c_probe()
468 	tps65910->i2c_client = i2c;  in tps65910_i2c_probe()
469 	tps65910->id = chip_id;  in tps65910_i2c_probe()
476 	tps65910->regmap = devm_regmap_init_i2c(i2c, &tps65910_regmap_config);  in tps65910_i2c_probe()
477 	if (IS_ERR(tps65910->regmap)) {  in tps65910_i2c_probe()
478 		ret = PTR_ERR(tps65910->regmap);  in tps65910_i2c_probe()
479 		dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret);  in tps65910_i2c_probe()
483 	init_data->irq = pmic_plat_data->irq;  in tps65910_i2c_probe()
484 	init_data->irq_base = pmic_plat_data->irq_base;  in tps65910_i2c_probe()
486 	tps65910_irq_init(tps65910, init_data->irq, init_data);  in tps65910_i2c_probe()
490 	if (pmic_plat_data->pm_off && !pm_power_off) {  in tps65910_i2c_probe()
494 		 * power-off mode on TPS65911, it's a NO-OP on TPS65910.  in tps65910_i2c_probe()
496 		ret = regmap_set_bits(tps65910->regmap, TPS65910_DEVCTRL,  in tps65910_i2c_probe()
499 			dev_err(&i2c->dev, "failed to set power-off mode: %d\n",  in tps65910_i2c_probe()
508 	ret = devm_mfd_add_devices(tps65910->dev, -1,  in tps65910_i2c_probe()
511 				   regmap_irq_get_domain(tps65910->irq_data));  in tps65910_i2c_probe()
513 		dev_err(&i2c->dev, "mfd_add_devices failed: %d\n", ret);  in tps65910_i2c_probe()