diff options
| author |   Julien Stephan <jstephan@baylibre.com> | 2025-02-26 15:50:03 +0100 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-03-04 15:05:50 +0000 |
| commit | f66d625c4d48e58ad38cc1953092f8b632b99671 (patch) | |
| tree | 23093c8dcdd6693ebb124655ae5567309c918ff9 | |
| parent | iio: adc: rockchip_saradc: add rk3562 (diff) | |
| download | wireguard-linux-f66d625c4d48e58ad38cc1953092f8b632b99671.tar.xz wireguard-linux-f66d625c4d48e58ad38cc1953092f8b632b99671.zip | |
iio: adc: ad7380: add adaq4381-4 support
adaq4381-4 is the 14 bits version of adaq4380-1 chip. Add support for
it.
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250226-ad7380-add-adaq4381-4-support-v1-1-f350ab872d37@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/adc/ad7380.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c index f232ad1a4963..407930f1f5dd 100644 --- a/drivers/iio/adc/ad7380.c +++ b/drivers/iio/adc/ad7380.c @@ -15,6 +15,7 @@ * ad7386/7/8-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7386-4-7387-4-7388-4.pdf * adaq4370-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4370-4.pdf * adaq4380-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4380-4.pdf + * adaq4381-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4381-4.pdf */ #include <linux/align.h> @@ -287,6 +288,7 @@ DEFINE_AD7380_2_CHANNEL(ad7381_channels, 14, 1, s); DEFINE_AD7380_4_CHANNEL(ad7380_4_channels, 16, 1, s); DEFINE_AD7380_4_CHANNEL(ad7381_4_channels, 14, 1, s); DEFINE_ADAQ4380_4_CHANNEL(adaq4380_4_channels, 16, 1, s); +DEFINE_ADAQ4380_4_CHANNEL(adaq4381_4_channels, 14, 1, s); /* pseudo differential */ DEFINE_AD7380_2_CHANNEL(ad7383_channels, 16, 0, s); DEFINE_AD7380_2_CHANNEL(ad7384_channels, 14, 0, s); @@ -599,6 +601,19 @@ static const struct ad7380_chip_info adaq4380_4_chip_info = { .timing_specs = &ad7380_4_timing, }; +static const struct ad7380_chip_info adaq4381_4_chip_info = { + .name = "adaq4381-4", + .channels = adaq4381_4_channels, + .num_channels = ARRAY_SIZE(adaq4381_4_channels), + .num_simult_channels = 4, + .supplies = adaq4380_supplies, + .num_supplies = ARRAY_SIZE(adaq4380_supplies), + .adaq_internal_ref_only = true, + .has_hardware_gain = true, + .available_scan_masks = ad7380_4_channel_scan_masks, + .timing_specs = &ad7380_4_timing, +}; + struct ad7380_state { const struct ad7380_chip_info *chip_info; struct spi_device *spi; @@ -1582,6 +1597,7 @@ static const struct of_device_id ad7380_of_match_table[] = { { .compatible = "adi,ad7388-4", .data = &ad7388_4_chip_info }, { .compatible = "adi,adaq4370-4", .data = &adaq4370_4_chip_info }, { .compatible = "adi,adaq4380-4", .data = &adaq4380_4_chip_info }, + { .compatible = "adi,adaq4381-4", .data = &adaq4381_4_chip_info }, { } }; @@ -1602,6 +1618,7 @@ static const struct spi_device_id ad7380_id_table[] = { { "ad7388-4", (kernel_ulong_t)&ad7388_4_chip_info }, { "adaq4370-4", (kernel_ulong_t)&adaq4370_4_chip_info }, { "adaq4380-4", (kernel_ulong_t)&adaq4380_4_chip_info }, + { "adaq4381-4", (kernel_ulong_t)&adaq4381_4_chip_info }, { } }; MODULE_DEVICE_TABLE(spi, ad7380_id_table); |