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@xxxxxxxxxxxxxxx>
---
drivers/iio/adc/ina2xx-adc.c | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 3263231276ca..9affc8e95f1d 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -28,6 +28,7 @@
#include <linux/iio/sysfs.h>
#include <linux/kthread.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/util_macros.h>
@@ -635,6 +636,7 @@ static int ina2xx_probe(struct i2c_client *client,
struct iio_dev *indio_dev;
struct iio_buffer *buffer;
unsigned int val;
+ enum ina2xx_ids type;
int ret;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
@@ -652,7 +654,11 @@ static int ina2xx_probe(struct i2c_client *client,
return PTR_ERR(chip->regmap);
}
- chip->config = &ina2xx_config[id->driver_data];
+ if (client->dev.of_node)
+ type = (enum ina2xx_ids)of_device_get_match_data(&client->dev);
+ else
+ type = id->driver_data;
+ chip->config = &ina2xx_config[type];
mutex_init(&chip->state_lock);
@@ -726,9 +732,35 @@ static const struct i2c_device_id ina2xx_id[] = {
};
MODULE_DEVICE_TABLE(i2c, ina2xx_id);
+static const struct of_device_id ina2xx_of_match[] = {
+ {
+ .compatible = "ti,ina219",
+ .data = (void *)ina219
+ },
+ {
+ .compatible = "ti,ina220",
+ .data = (void *)ina219
+ },
+ {
+ .compatible = "ti,ina226",
+ .data = (void *)ina226
+ },
+ {
+ .compatible = "ti,ina230",
+ .data = (void *)ina226
+ },
+ {
+ .compatible = "ti,ina231",
+ .data = (void *)ina226
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ina2xx_of_match);
+
static struct i2c_driver ina2xx_driver = {
.driver = {
.name = KBUILD_MODNAME,
+ .of_match_table = of_match_ptr(ina2xx_of_match),
},
.probe = ina2xx_probe,
.remove = ina2xx_remove,
--
2.9.3
--
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