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regulator: ltc3589: Add OF device ID table 

The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.

But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Javier Martinez Canillas 2017-02-21 11:29:04 -03:00 committed by Mark Brown
parent fad9cd45ed
commit 45a8617245
1 changed files with 24 additions and 1 deletions
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25
drivers/regulator/ltc3589.c
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@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
@ -470,7 +471,11 @@ static int ltc3589_probe(struct i2c_client *client,
return -ENOMEM;
i2c_set_clientdata(client, ltc3589);
ltc3589->variant = id->driver_data;
if (client->dev.of_node)
ltc3589->variant = (enum ltc3589_variant)
of_device_get_match_data(&client->dev);
else
ltc3589->variant = id->driver_data;
ltc3589->dev = dev;
descs = ltc3589->regulator_descs;
@ -542,9 +547,27 @@ static struct i2c_device_id ltc3589_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, ltc3589_i2c_id);
static const struct of_device_id ltc3589_of_match[] = {
{
.compatible = "lltc,ltc3589",
.data = (void *)LTC3589,
},
{
.compatible = "lltc,ltc3589-1",
.data = (void *)LTC3589_1,
},
{
.compatible = "lltc,ltc3589-2",
.data = (void *)LTC3589_2,
},
{ },
};
MODULE_DEVICE_TABLE(of, ltc3589_of_match);
static struct i2c_driver ltc3589_driver = {
.driver = {
.name = DRIVER_NAME,
.of_match_table = of_match_ptr(ltc3589_of_match),
},
.probe = ltc3589_probe,
.id_table = ltc3589_i2c_id,