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regulator: rt5739: Enable REGCACHE_MAPLE

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Enable regmap cache to reduce i2c transactions and corresponding
interrupts if regulator is accessed frequently.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20250629094803.776-1-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jisheng Zhang
2025-06-29 17:48:03 +08:00
committed by Mark Brown
parent ce57bc9771
commit bd7c7976f9
1 changed files with 9 additions and 0 deletions
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9
drivers/regulator/rt5739.c
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@@ -24,6 +24,8 @@
#define RT5739_REG_NSEL1 0x01 #define RT5739_REG_NSEL1 0x01
#define RT5739_REG_CNTL1 0x02 #define RT5739_REG_CNTL1 0x02
#define RT5739_REG_ID1 0x03 #define RT5739_REG_ID1 0x03
#define RT5739_REG_ID2 0x04
#define RT5739_REG_MON 0x05
#define RT5739_REG_CNTL2 0x06 #define RT5739_REG_CNTL2 0x06
#define RT5739_REG_CNTL4 0x08 #define RT5739_REG_CNTL4 0x08
@@ -236,11 +238,18 @@ static void rt5739_init_regulator_desc(struct regulator_desc *desc,
} }
} }
static bool rt5739_volatile_reg(struct device *dev, unsigned int reg)
{
return reg == RT5739_REG_MON;
}
static const struct regmap_config rt5739_regmap_config = { static const struct regmap_config rt5739_regmap_config = {
.name = "rt5739", .name = "rt5739",
.reg_bits = 8, .reg_bits = 8,
.val_bits = 8, .val_bits = 8,
.max_register = RT5739_REG_CNTL4, .max_register = RT5739_REG_CNTL4,
.cache_type = REGCACHE_MAPLE,
.volatile_reg = rt5739_volatile_reg,
}; };
static int rt5739_probe(struct i2c_client *i2c) static int rt5739_probe(struct i2c_client *i2c)