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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: 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>
authored by
Michael Walle
and committed by
Lee Jones
9cba6a7e
626bb0a4
+21
-10
+21
-10
drivers/misc/tps6594-pfsm.c
+21
-10
drivers/misc/tps6594-pfsm.c
···
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// SPDX-License-Identifier: GPL-2.0
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/*
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* PFSM (Pre-configurable Finite State Machine) driver for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs
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* PFSM (Pre-configurable Finite State Machine) driver for the following
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* PMICs:
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* - LP8764
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* - TPS65224
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* - TPS652G1
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* - TPS6594
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* - TPS6593
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*
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* Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
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*/
···
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switch (cmd) {
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case PMIC_GOTO_STANDBY:
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/* Disable LP mode on TPS6594 Family PMIC */
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if (pfsm->chip_id != TPS65224) {
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if (pfsm->chip_id != TPS65224 && pfsm->chip_id != TPS652G1) {
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ret = regmap_clear_bits(pfsm->regmap, TPS6594_REG_RTC_CTRL_2,
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TPS6594_BIT_LP_STANDBY_SEL);
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···
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TPS6594_BIT_TRIGGER_I2C(0), TPS6594_BIT_TRIGGER_I2C(0));
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break;
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case PMIC_GOTO_LP_STANDBY:
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/* TPS65224 does not support LP STANDBY */
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if (pfsm->chip_id == TPS65224)
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/* TPS65224/TPS652G1 does not support LP STANDBY */
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if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1)
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return ret;
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/* Enable LP mode */
···
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TPS6594_BIT_NSLEEP1B | TPS6594_BIT_NSLEEP2B);
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break;
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case PMIC_SET_MCU_ONLY_STATE:
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/* TPS65224 does not support MCU_ONLY_STATE */
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if (pfsm->chip_id == TPS65224)
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/* TPS65224/TPS652G1 does not support MCU_ONLY_STATE */
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if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1)
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return ret;
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if (copy_from_user(&state_opt, argp, sizeof(state_opt)))
···
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return -EFAULT;
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/* Configure wake-up destination */
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if (pfsm->chip_id == TPS65224) {
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if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1) {
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regmap_reg = TPS65224_REG_STARTUP_CTRL;
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mask = TPS65224_MASK_STARTUP_DEST;
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} else {
···
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return ret;
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/* Modify NSLEEP1-2 bits */
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ret = regmap_clear_bits(pfsm->regmap, TPS6594_REG_FSM_NSLEEP_TRIGGERS,
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pfsm->chip_id == TPS65224 ?
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TPS6594_BIT_NSLEEP1B : TPS6594_BIT_NSLEEP2B);
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if (pfsm->chip_id == TPS65224 || pfsm->chip_id == TPS652G1)
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ret = regmap_clear_bits(pfsm->regmap,
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TPS6594_REG_FSM_NSLEEP_TRIGGERS,
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TPS6594_BIT_NSLEEP1B);
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else
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ret = regmap_clear_bits(pfsm->regmap,
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TPS6594_REG_FSM_NSLEEP_TRIGGERS,
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TPS6594_BIT_NSLEEP2B);
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break;
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}
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