diff options
Diffstat (limited to 'drivers/iio/dac/mcp4725.c')
| -rw-r--r-- | drivers/iio/dac/mcp4725.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index db109f0cdd8c..6ab1f23e5a79 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -19,6 +19,7 @@ #include <linux/err.h> #include <linux/delay.h> #include <linux/regulator/consumer.h> +#include <linux/of_device.h> #include <linux/of.h> #include <linux/iio/iio.h> @@ -199,7 +200,7 @@ static ssize_t mcp4725_write_powerdown(struct iio_dev *indio_dev, return len; } -enum { +enum chip_id { MCP4725, MCP4726, }; @@ -406,7 +407,10 @@ static int mcp4725_probe(struct i2c_client *client, data = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); data->client = client; - data->id = id->driver_data; + if (client->dev.of_node) + data->id = (enum chip_id)of_device_get_match_data(&client->dev); + else + data->id = id->driver_data; pdata = dev_get_platdata(&client->dev); if (!pdata) { @@ -525,9 +529,25 @@ static const struct i2c_device_id mcp4725_id[] = { }; MODULE_DEVICE_TABLE(i2c, mcp4725_id); +#ifdef CONFIG_OF +static const struct of_device_id mcp4725_of_match[] = { + { + .compatible = "microchip,mcp4725", + .data = (void *)MCP4725 + }, + { + .compatible = "microchip,mcp4726", + .data = (void *)MCP4726 + }, + { } +}; +MODULE_DEVICE_TABLE(of, mcp4725_of_match); +#endif + static struct i2c_driver mcp4725_driver = { .driver = { .name = MCP4725_DRV_NAME, + .of_match_table = of_match_ptr(mcp4725_of_match), .pm = MCP4725_PM_OPS, }, .probe = mcp4725_probe, |