diff options
Diffstat (limited to 'drivers/regulator/da9210-regulator.c')
| -rw-r--r-- | drivers/regulator/da9210-regulator.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c index 01c0e3709b66..d0496d6b0934 100644 --- a/drivers/regulator/da9210-regulator.c +++ b/drivers/regulator/da9210-regulator.c @@ -21,12 +21,11 @@ #include <linux/err.h> #include <linux/i2c.h> #include <linux/module.h> -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/slab.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/of_device.h> #include <linux/regulator/of_regulator.h> #include <linux/regmap.h> @@ -179,6 +178,13 @@ error_i2c: /* * I2C driver interface functions */ + +static const struct of_device_id da9210_dt_ids[] = { + { .compatible = "dlg,da9210", }, + { } +}; +MODULE_DEVICE_TABLE(of, da9210_dt_ids); + static int da9210_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -188,6 +194,16 @@ static int da9210_i2c_probe(struct i2c_client *i2c, struct regulator_dev *rdev = NULL; struct regulator_config config = { }; int error; + const struct of_device_id *match; + + if (i2c->dev.of_node && !pdata) { + match = of_match_device(of_match_ptr(da9210_dt_ids), + &i2c->dev); + if (!match) { + dev_err(&i2c->dev, "Error: No device match found\n"); + return -ENODEV; + } + } chip = devm_kzalloc(&i2c->dev, sizeof(struct da9210), GFP_KERNEL); if (!chip) @@ -264,6 +280,7 @@ MODULE_DEVICE_TABLE(i2c, da9210_i2c_id); static struct i2c_driver da9210_regulator_driver = { .driver = { .name = "da9210", + .of_match_table = of_match_ptr(da9210_dt_ids), }, .probe = da9210_i2c_probe, .id_table = da9210_i2c_id, |