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regulator: pf9453: remove low power mode

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Remove low power mode support to align with the Rev.1.0 -- 25 June 2025
datasheet, which no longer support this feature.

Datasheet is available at
https://www.nxp.com/docs/en/data-sheet/PF9453.pdf.

Signed-off-by: Joy Zou <joy.zou@nxp.com>
Link: https://patch.msgid.link/20251103-b4-next-pf9453-v1-2-a025d536eee1@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Joy Zou
2025-11-03 11:26:48 +08:00
committed by Mark Brown
parent a2d4691b3f
commit 0144a2b29d
1 changed files with 0 additions and 12 deletions
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12
drivers/regulator/pf9453-regulator.c
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@@ -119,7 +119,6 @@ enum {
#define LDO_ENMODE_ONREQ_STBY_DPSTBY 0x03
/* PF9453_REG_BUCK1_CTRL bits */
#define BUCK1_LPMODE 0x30
#define BUCK1_AD 0x08
#define BUCK1_FPWM 0x04
#define BUCK1_ENMODE_MASK GENMASK(1, 0)
@@ -130,19 +129,16 @@ enum {
#define BUCK2_RAMP_12P5MV 0x1
#define BUCK2_RAMP_6P25MV 0x2
#define BUCK2_RAMP_3P125MV 0x3
#define BUCK2_LPMODE 0x30
#define BUCK2_AD 0x08
#define BUCK2_FPWM 0x04
#define BUCK2_ENMODE_MASK GENMASK(1, 0)
/* PF9453_REG_BUCK3_CTRL bits */
#define BUCK3_LPMODE 0x30
#define BUCK3_AD 0x08
#define BUCK3_FPWM 0x04
#define BUCK3_ENMODE_MASK GENMASK(1, 0)
/* PF9453_REG_BUCK4_CTRL bits */
#define BUCK4_LPMODE 0x30
#define BUCK4_AD 0x08
#define BUCK4_FPWM 0x04
#define BUCK4_ENMODE_MASK GENMASK(1, 0)
@@ -535,14 +531,6 @@ static int buck_set_dvs(const struct regulator_desc *desc,
}
}
if (ret == 0) {
struct pf9453_regulator_desc *regulator = container_of(desc,
struct pf9453_regulator_desc, desc);
/* Enable DVS control through PMIC_STBY_REQ for this BUCK */
ret = pf9453_pmic_write(pf9453, regulator->desc.enable_reg,
BUCK2_LPMODE, BUCK2_LPMODE);
}
return ret;
}