1 // SPDX-License-Identifier: GPL-2.0
4  *  - LP8764
5  *  - TPS65224
6  *  - TPS652G1
7  *  - TPS6593
8  *  - TPS6594
10  * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
132 	MFD_CELL_RES("tps6594-regulator", tps6594_regulator_resources),
133 	MFD_CELL_RES("tps6594-pinctrl", tps6594_pinctrl_resources),
134 	MFD_CELL_RES("tps6594-pfsm", tps6594_pfsm_resources),
135 	MFD_CELL_RES("tps6594-esm", tps6594_esm_resources),
139 	MFD_CELL_RES("tps6594-rtc", tps6594_rtc_resources),
344 	MFD_CELL_RES("tps65224-adc", tps65224_adc_resources),
345 	MFD_CELL_RES("tps6594-pfsm", tps65224_pfsm_resources),
346 	MFD_CELL_RES("tps6594-pinctrl", tps65224_pinctrl_resources),
347 	MFD_CELL_RES("tps6594-regulator", tps65224_regulator_resources),
425 	MFD_CELL_RES("tps6594-pfsm", tps65224_pfsm_resources),
426 	MFD_CELL_RES("tps6594-pinctrl", tps65224_pinctrl_resources),
427 	MFD_CELL_NAME("tps6594-regulator"),
496 	 * When CRC is enabled, writing to a read-only bit triggers an error,  in tps6594_handle_post_irq()
498 	 * (that must be cleared) and read-only bits are sometimes grouped in  in tps6594_handle_post_irq()
501 	 * an interrupt bit in a register containing also a read-only bit makes  in tps6594_handle_post_irq()
505 	if (tps->use_crc) {  in tps6594_handle_post_irq()
506 		if (tps->chip_id == TPS65224 || tps->chip_id == TPS652G1) {  in tps6594_handle_post_irq()
514 		ret = regmap_write_bits(tps->regmap, regmap_reg, mask_val, mask_val);  in tps6594_handle_post_irq()
582 	if (tps->chip_id == TPS65224 || tps->chip_id == TPS652G1) {  in tps6594_check_crc_mode()
594 	tps->use_crc = true;  in tps6594_check_crc_mode()
595 	ret = regmap_test_bits(tps->regmap, regmap_reg, mask_val);  in tps6594_check_crc_mode()
597 		ret = -EIO;  in tps6594_check_crc_mode()
599 		dev_info(tps->dev, "CRC feature enabled on %s PMIC",  in tps6594_check_crc_mode()
600 			 primary_pmic ? "primary" : "secondary");  in tps6594_check_crc_mode()
612 	if (tps->chip_id == TPS65224 || tps->chip_id == TPS652G1) {  in tps6594_set_crc_feature()
624 		 * on primary PMIC.  in tps6594_set_crc_feature()
626 		tps->use_crc = false;  in tps6594_set_crc_feature()
627 		ret = regmap_write_bits(tps->regmap, regmap_reg, mask_val, mask_val);  in tps6594_set_crc_feature()
633 		 * The datasheet indicates 2 ms, and clock specification is +/-5%.  in tps6594_set_crc_feature()
646 	struct device *dev = tps->dev;  in tps6594_enable_crc()
653 	 * If this mode is specified for primary PMIC, it will also be applied to secondary PMICs  in tps6594_enable_crc()
655 	 * In this multi-PMIC synchronization scheme, the primary PMIC is the controller device  in tps6594_enable_crc()
658 	is_primary = of_property_read_bool(dev->of_node, "ti,primary-pmic");  in tps6594_enable_crc()
660 		/* Enable CRC feature on primary PMIC */  in tps6594_enable_crc()
668 		/* Wait for CRC feature enabling event from primary PMIC */  in tps6594_enable_crc()
671 			ret = -ETIMEDOUT;  in tps6594_enable_crc()
681 	struct device *dev = tps->dev;  in tps6594_device_init()
693 	/* Keep PMIC in ACTIVE state */  in tps6594_device_init()
694 	ret = regmap_set_bits(tps->regmap, TPS6594_REG_FSM_NSLEEP_TRIGGERS,  in tps6594_device_init()
697 		return dev_err_probe(dev, ret, "Failed to set PMIC state\n");  in tps6594_device_init()
699 	if (tps->chip_id == TPS65224) {  in tps6594_device_init()
703 	} else if (tps->chip_id == TPS652G1) {  in tps6594_device_init()
713 	irq_chip->irq_drv_data = tps;  in tps6594_device_init()
714 	irq_chip->name = devm_kasprintf(dev, GFP_KERNEL, "%s-%ld-0x%02x",  in tps6594_device_init()
715 					dev->driver->name, tps->chip_id, tps->reg);  in tps6594_device_init()
717 	if (!irq_chip->name)  in tps6594_device_init()
718 		return -ENOMEM;  in tps6594_device_init()
720 	ret = devm_regmap_add_irq_chip(dev, tps->regmap, tps->irq, IRQF_SHARED | IRQF_ONESHOT,  in tps6594_device_init()
721 				       0, irq_chip, &tps->irq_data);  in tps6594_device_init()
726 				   regmap_irq_get_domain(tps->irq_data));  in tps6594_device_init()
731 	if (tps->chip_id != LP8764 && tps->chip_id != TPS65224 && tps->chip_id != TPS652G1) {  in tps6594_device_init()
734 					   regmap_irq_get_domain(tps->irq_data));  in tps6594_device_init()