Commit 9cba6a7e authored by Michael Walle's avatar Michael Walle Committed by Lee Jones
Browse files

misc: tps6594-pfsm: Add TI TPS652G1 PMIC PFSM 



The TPS652G1 is a stripped down TPS65224, but the PFSM is the same.
Thus, handle it the same way as the TPS65224 in the driver.

Signed-off-by: default avatarMichael Walle <mwalle@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de> # drivers/misc/
Link: https://lore.kernel.org/r/20250613114518.1772109-3-mwalle@kernel.org


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 626bb0a4

drivers/misc/tps6594-pfsm.c

+21 −10
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * PFSM (Pre-configurable Finite State Machine) driver for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs

 * PFSM (Pre-configurable Finite State Machine) driver for the following

 * PMICs:

 * - LP8764

 * - TPS65224

 * - TPS652G1

 * - TPS6594

 * - TPS6593

 *

 * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/

 */
@@ -141,7 +147,7 @@ static long tps6594_pfsm_ioctl(struct file *f, unsigned int cmd, unsigned long a 
	switch (cmd) {

	case PMIC_GOTO_STANDBY:

		/* Disable LP mode on TPS6594 Family PMIC */

		if (pfsm->chip_id != TPS65224) {

		if (pfsm->chip_id != TPS65224 && pfsm->chip_id != TPS652G1) {

			ret = regmap_clear_bits(pfsm->regmap, TPS6594_REG_RTC_CTRL_2,

						TPS6594_BIT_LP_STANDBY_SEL);
@@ -154,8 +160,8 @@ static long tps6594_pfsm_ioctl(struct file *f, unsigned int cmd, unsigned long a 
					TPS6594_BIT_TRIGGER_I2C(0), TPS6594_BIT_TRIGGER_I2C(0));

		break;

	case PMIC_GOTO_LP_STANDBY:

		/* TPS65224 does not support LP STANDBY */

		if (pfsm->chip_id == TPS65224)

		/* TPS65224/TPS652G1 does not support LP STANDBY */

		if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1)

			return ret;



		/* Enable LP mode */
@@ -179,8 +185,8 @@ static long tps6594_pfsm_ioctl(struct file *f, unsigned int cmd, unsigned long a 
				      TPS6594_BIT_NSLEEP1B | TPS6594_BIT_NSLEEP2B);

		break;

	case PMIC_SET_MCU_ONLY_STATE:

		/* TPS65224 does not support MCU_ONLY_STATE */

		if (pfsm->chip_id == TPS65224)

		/* TPS65224/TPS652G1 does not support MCU_ONLY_STATE */

		if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1)

			return ret;



		if (copy_from_user(&state_opt, argp, sizeof(state_opt)))
@@ -206,7 +212,7 @@ static long tps6594_pfsm_ioctl(struct file *f, unsigned int cmd, unsigned long a 
			return -EFAULT;



		/* Configure wake-up destination */

		if (pfsm->chip_id == TPS65224) {

		if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1) {

			regmap_reg = TPS65224_REG_STARTUP_CTRL;

			mask = TPS65224_MASK_STARTUP_DEST;

		} else {
@@ -230,9 +236,14 @@ static long tps6594_pfsm_ioctl(struct file *f, unsigned int cmd, unsigned long a 
			return ret;



		/* Modify NSLEEP1-2 bits */

		ret = regmap_clear_bits(pfsm->regmap, TPS6594_REG_FSM_NSLEEP_TRIGGERS,

					pfsm->chip_id == TPS65224 ?

					TPS6594_BIT_NSLEEP1B : TPS6594_BIT_NSLEEP2B);

		if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1)

			ret = regmap_clear_bits(pfsm->regmap,

						TPS6594_REG_FSM_NSLEEP_TRIGGERS,

						TPS6594_BIT_NSLEEP1B);

		else

			ret = regmap_clear_bits(pfsm->regmap,

						TPS6594_REG_FSM_NSLEEP_TRIGGERS,

						TPS6594_BIT_NSLEEP2B);

		break;

	}