diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/tmp421.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index bfb98b96c781..e36399213324 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -29,6 +29,7 @@ #include <linux/hwmon-sysfs.h> #include <linux/err.h> #include <linux/mutex.h> +#include <linux/of_device.h> #include <linux/sysfs.h> /* Addresses to scan */ @@ -69,6 +70,31 @@ static const struct i2c_device_id tmp421_id[] = { }; MODULE_DEVICE_TABLE(i2c, tmp421_id); +static const struct of_device_id tmp421_of_match[] = { + { + .compatible = "ti,tmp421", + .data = (void *)2 + }, + { + .compatible = "ti,tmp422", + .data = (void *)3 + }, + { + .compatible = "ti,tmp423", + .data = (void *)4 + }, + { + .compatible = "ti,tmp441", + .data = (void *)2 + }, + { + .compatible = "ti,tmp422", + .data = (void *)3 + }, + { }, +}; +MODULE_DEVICE_TABLE(of, tmp421_of_match); + struct tmp421_data { struct i2c_client *client; struct mutex update_lock; @@ -78,7 +104,7 @@ struct tmp421_data { struct hwmon_chip_info chip; char valid; unsigned long last_updated; - int channels; + unsigned long channels; u8 config; s16 temp[4]; }; @@ -272,7 +298,11 @@ static int tmp421_probe(struct i2c_client *client, return -ENOMEM; mutex_init(&data->update_lock); - data->channels = id->driver_data; + if (client->dev.of_node) + data->channels = (unsigned long) + of_device_get_match_data(&client->dev); + else + data->channels = id->driver_data; data->client = client; err = tmp421_init_client(client); @@ -301,6 +331,7 @@ static struct i2c_driver tmp421_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "tmp421", + .of_match_table = of_match_ptr(tmp421_of_match), }, .probe = tmp421_probe, .id_table = tmp421_id, |