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power: regulator: tps65941: Enable FPWM bits

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Depending on the phase selection (single or multi), the FPWM bits
configured forces the regulator to operate in PWM mode. In case of
multi-phase selection, the FPWM_MP bits enforce the regulator to also
operate in multi-phase. This fixes correct multi-phase operation.

While at this, correct incorrect macro alignment as well.

Fixes: 065a452ae6 ("power: regulator: tps65941: add regulator support")
Link: https://www.ti.com/lit/ds/symlink/tps6594-q1.pdf
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Takuma Fujiwara <t-fujiwara1@ti.com>
Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Neha Malcom Francis
2026-04-21 13:51:45 +05:30
committed by Peng Fan
parent ae8987f4e6
commit 1526438a93
2 changed files with 15 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/power/regulator/tps65941_regulator.c
View File

@@ -63,13 +63,14 @@ static inline int tps65941_get_chip_id(struct udevice *dev)
static int tps65941_buck_enable(struct udevice *dev, int op, bool *enable)
{
int ret;
int ret, idx;
unsigned int adr;
struct dm_regulator_uclass_plat *uc_pdata;
uc_pdata = dev_get_uclass_plat(dev);
adr = uc_pdata->ctrl_reg;
idx = dev->driver_data;
ret = pmic_reg_read(dev->parent, adr);
if (ret < 0)
return ret;
@@ -84,10 +85,18 @@ static int tps65941_buck_enable(struct udevice *dev, int op, bool *enable)
return 0;
} else if (op == PMIC_OP_SET) {
if (*enable)
if (*enable) {
ret |= TPS65941_BUCK_MODE_MASK;
else
/* Enable FPWM */
ret |= TPS65941_BUCK_FPWM_MASK;
/* If Multiphase enable FPWM_MP */
if (idx == TPS65941_BUCK_ID_12 ||
idx == TPS65941_BUCK_ID_123 ||
idx == TPS65941_BUCK_ID_1234)
ret |= TPS65941_BUCK_FPWM_MP_MASK;
} else {
ret &= ~TPS65941_BUCK_MODE_MASK;
}
ret = pmic_reg_write(dev->parent, adr, ret);
if (ret)
return ret;

4
include/power/tps65941.h
View File

@@ -19,7 +19,9 @@
#define TPS65941_BUCK_VOLT_MASK 0xFF
#define TPS65941_BUCK_VOLT_MAX_HEX 0xFF
#define TPS65941_BUCK_VOLT_MAX 3340000
#define TPS65941_BUCK_MODE_MASK 0x1
#define TPS65941_BUCK_MODE_MASK 0x1
#define TPS65941_BUCK_FPWM_MASK 0x2
#define TPS65941_BUCK_FPWM_MP_MASK 0x4
#define TPS65941_LDO_VOLT_MASK 0x7E
#define TPS65941_LDO_VOLT_MAX_HEX 0x3A