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| author | Jisheng Zhang <jszhang@kernel.org> | 2025-06-29 17:48:03 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-06-30 12:15:38 +0100 |
| commit | bd7c7976f9716da4cc961ab8ff4e17811d522602 (patch) | |
| tree | 29971ec856567266c9bae85dce367344d5581556 | |
| parent | ce57bc9771411d6d27f2ca7b40396cbd7d684ba9 (diff) | |
regulator: rt5739: Enable REGCACHE_MAPLE
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>
| -rw-r--r-- | drivers/regulator/rt5739.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/regulator/rt5739.c b/drivers/regulator/rt5739.c index 91412c905ce6..5fcddd7c2da7 100644 --- a/drivers/regulator/rt5739.c +++ b/drivers/regulator/rt5739.c @@ -24,6 +24,8 @@ #define RT5739_REG_NSEL1 0x01 #define RT5739_REG_CNTL1 0x02 #define RT5739_REG_ID1 0x03 +#define RT5739_REG_ID2 0x04 +#define RT5739_REG_MON 0x05 #define RT5739_REG_CNTL2 0x06 #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 = { .name = "rt5739", .reg_bits = 8, .val_bits = 8, .max_register = RT5739_REG_CNTL4, + .cache_type = REGCACHE_MAPLE, + .volatile_reg = rt5739_volatile_reg, }; static int rt5739_probe(struct i2c_client *i2c) |