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2022-04-04iio:filter:admv8818: select REGMAP_SPI for ADMV8818Wang ShaoBo1-0/+1
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: f34fe888ad05 ("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>
2021-12-16iio:filter:admv8818: add support for ADMV8818Antoniu Miclaus3-0/+676
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>
2021-12-16iio: add filter subfolderAntoniu Miclaus2-0/+14
Add filter subfolder for IIO devices that handle filter functionality. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>