admv8818 driver needs __devm_regmap_init_spi() which is defined
when CONFIG_REGMAP_SPI is set and struct regmap_config when
CONFIG_REGMAP is set, so automatically select CONFIG_REGMAP_SPI
which also sets CONFIG_REGMAP.
Fixes: f34fe888ad ("iio:filter:admv8818: add support for ADMV8818")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220320055457.254983-1-bobo.shaobowang@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADMV8818-EP is a fully monolithic microwave integrated
circuit (MMIC) that features a digitally selectable frequency of
operation. The device features four independently controlled high-
pass filters (HPFs) and four independently controlled low-pass
filters (LPFs) that span the 2 GHz to 18 GHz frequency range.
Datasheet:
https://www.analog.com/media/en/technical-documentation/data-sheets/admv8818-ep.pdf
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>