diff options
Diffstat (limited to 'drivers/regulator/sy8827n.c')
| -rw-r--r-- | drivers/regulator/sy8827n.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/regulator/sy8827n.c b/drivers/regulator/sy8827n.c index 52e8c17afe24..7d5d9f879ce3 100644 --- a/drivers/regulator/sy8827n.c +++ b/drivers/regulator/sy8827n.c @@ -19,6 +19,10 @@ #define SY8827N_MODE (1 << 6) #define SY8827N_VSEL1 1 #define SY8827N_CTRL 2 +#define SY8827N_ID1 3 +#define SY8827N_ID2 4 +#define SY8827N_PGOOD 5 +#define SY8827N_MAX (SY8827N_PGOOD + 1) #define SY8827N_NVOLTAGES 64 #define SY8827N_VSELMIN 600000 @@ -102,9 +106,19 @@ static int sy8827n_regulator_register(struct sy8827n_device_info *di, return PTR_ERR_OR_ZERO(rdev); } +static bool sy8827n_volatile_reg(struct device *dev, unsigned int reg) +{ + if (reg == SY8827N_PGOOD) + return true; + return false; +} + static const struct regmap_config sy8827n_regmap_config = { .reg_bits = 8, .val_bits = 8, + .volatile_reg = sy8827n_volatile_reg, + .num_reg_defaults_raw = SY8827N_MAX, + .cache_type = REGCACHE_FLAT, }; static int sy8827n_i2c_probe(struct i2c_client *client) |