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Code

misc: tps6594-pfsm: Add TI TPS652G1 PMIC PFSM

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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: Michael 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: Lee Jones <lee@kernel.org>
This commit is contained in:
Michael Walle 2025-06-13 13:45:13 +02:00 committed by Lee Jones
parent 626bb0a455
commit 9cba6a7ebf
1 changed files with 21 additions and 10 deletions
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31
drivers/misc/tps6594-pfsm.c
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@ -1,6 +1,12 @@
// 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;
}