On 06/11/2024 03:39, Eason Yang wrote:
> Add Nuvoton NCT7201/NCT7202 system voltage monitor 12-bit ADC driver
>
> NCT7201/NCT7202 supports up to 12 analog voltage monitor inputs and up to
> 4 SMBus addresses by ADDR pin. Meanwhile, ALERT# hardware event pins for
> independent alarm signals, and the all threshold values could be set for
> system protection without any timing delay. It also supports reset input
> RSTIN# to recover system from a fault condition.
>
> Currently, only single-edge mode conversion and threshold events support.
>
> Signed-off-by: Eason Yang <j2anfernee@xxxxxxxxx>
...
> +
> +static int nct720x_probe(struct i2c_client *client)
> +{
> + const struct i2c_device_id *id = i2c_client_get_device_id(client);
> + struct nct720x_chip_info *chip;
> + struct iio_dev *indio_dev;
> + int ret;
> + u32 tmp;
> +
> + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
> + if (!indio_dev)
> + return -ENOMEM;
> + chip = iio_priv(indio_dev);
> +
> + if (client->dev.of_node)
> + chip->type = (enum nct720x_chips)device_get_match_data(&client->dev);
> + else
> + chip->type = i2c_match_id(nct720x_id, client)->driver_data;
I believe there is a I2C wrapper for above.
> +
> + chip->vin_max = (chip->type == nct7201) ? NCT7201_VIN_MAX : NCT7202_VIN_MAX;
> +
> + ret = of_property_read_u32(client->dev.of_node, "read-vin-data-size", &tmp);
> + if (ret < 0) {
> + pr_err("read-vin-data-size property not found\n");
Please use dev_xxx in your driver code.
Best regards,
Krzysztof
