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path: root/drivers/regulator/tps6286x-regulator.c
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Diffstat (limited to 'drivers/regulator/tps6286x-regulator.c')
-rw-r--r--drivers/regulator/tps6286x-regulator.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/regulator/tps6286x-regulator.c b/drivers/regulator/tps6286x-regulator.c
index 758c70269653..e29aab06bf79 100644
--- a/drivers/regulator/tps6286x-regulator.c
+++ b/drivers/regulator/tps6286x-regulator.c
@@ -19,13 +19,22 @@
#define TPS6286X_CONTROL_FPWM BIT(4)
#define TPS6286X_CONTROL_SWEN BIT(5)
+#define TPS6286X_STATUS 0x05
+
#define TPS6286X_MIN_MV 400
#define TPS6286X_MAX_MV 1675
#define TPS6286X_STEP_MV 5
+static bool tps6286x_volatile_reg(struct device *dev, unsigned int reg)
+{
+ return reg == TPS6286X_STATUS;
+}
+
static const struct regmap_config tps6286x_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
+ .cache_type = REGCACHE_MAPLE,
+ .volatile_reg = tps6286x_volatile_reg,
};
static int tps6286x_set_mode(struct regulator_dev *rdev, unsigned int mode)
@@ -136,11 +145,11 @@ static int tps6286x_i2c_probe(struct i2c_client *i2c)
}
static const struct i2c_device_id tps6286x_i2c_id[] = {
- { "tps62864", 0 },
- { "tps62866", 0 },
- { "tps62868", 0 },
- { "tps62869", 0 },
- {},
+ { "tps62864" },
+ { "tps62866" },
+ { "tps62868" },
+ { "tps62869" },
+ {}
};
MODULE_DEVICE_TABLE(i2c, tps6286x_i2c_id);
@@ -156,4 +165,5 @@ static struct i2c_driver tps6286x_regulator_driver = {
module_i2c_driver(tps6286x_regulator_driver);
+MODULE_DESCRIPTION("TI TPS6286x Power Regulator driver");
MODULE_LICENSE("GPL v2");