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ADRF5702/3 DSA IIO support #3217

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Merged
nunojsa merged 2 commits into from
Mar 28, 2026
Merged

ADRF5702/3 DSA IIO support #3217

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4eb8aa1
dt-bindings: iio: amplifiers: ad8366: add adrf5702/3 support
rodrigo455 Mar 26, 2026
53314d3
iio: amplifiers: ad8366: add support for adrf5702/3
rodrigo455 Mar 26, 2026
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4 changes: 4 additions & 0 deletions Documentation/devicetree/bindings/iio/amplifiers/adi,ad8366.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ properties:
- adi,ad8366
- adi,ada4961
- adi,adl5240
- adi,adrf5702
- adi,adrf5703
- adi,adrf5720
- adi,adrf5730
- adi,adrf5731
Expand Down Expand Up @@ -66,6 +68,8 @@ allOf:
anyOf:
- const: adi,ad8366
- const: adi,ada4961
- const: adi,adrf5702
- const: adi,adrf5703
- const: adi,adrf5720
- const: adi,adrf5730
- const: adi,adrf5731
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6 changes: 6 additions & 0 deletions drivers/iio/amplifiers/Kconfig
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Expand Up @@ -18,6 +18,12 @@ config AD8366
AD8366 Dual-Digital Variable Gain Amplifier (VGA)
ADA4961 BiCMOS RF Digital Gain Amplifier (DGA)
ADL5240 Digitally controlled variable gain amplifier (VGA)
ADRF5702: 0.125 dB LSB, 8-Bit, Silicon Digital Attenuator
ADRF5703: 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator
ADRF5720: 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator
ADRF5730: 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator
ADRF5731: 2 dB LSB, 4-Bit, Silicon Digital Attenuator
HMC271A: 1dB LSB 5-Bit Digital Attenuator SMT
HMC792A 0.25 dB LSB GaAs MMIC 6-Bit Digital Attenuator
HMC1119 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator

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22 changes: 22 additions & 0 deletions drivers/iio/amplifiers/ad8366.c
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Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
// SPDX-License-Identifier: GPL-2.0
/*
* AD8366 and similar Gain Amplifiers
Expand All @@ -5,6 +5,8 @@
* AD8366 Dual-Digital Variable Gain Amplifier (VGA)
* ADA4961 BiCMOS RF Digital Gain Amplifier (DGA)
* ADL5240 Digitally controlled variable gain amplifier (VGA)
* ADRF5702: 0.125 dB LSB, 8-Bit, Silicon Digital Attenuator, 50 MHz to 20 GHz
* ADRF5703: 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator, 9 kHz to 20 GHz
* ADRF5720: 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator, 9 kHz to 40 GHz
* ADRF5730: 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator, 100 MHz to 40 GHz
* ADRF5731: 2 dB LSB, 4-Bit, Silicon Digital Attenuator, 100 MHz to 40 GHz
Expand Down Expand Up @@ -106,6 +108,22 @@
.num_channels = 1,
};

static const struct ad8366_info adrf5702_chip_info = {
.name = "adrf5702",
.gain_min = -31875,
.gain_max = 0,
.gain_step = -125,
.num_channels = 1,
};

static const struct ad8366_info adrf5703_chip_info = {
.name = "adrf5703",
.gain_min = -31750,
.gain_max = 0,
.gain_step = -250,
.num_channels = 1,
};

static const struct ad8366_info adrf5720_chip_info = {
.name = "adrf5720",
.gain_min = -31500,
Expand Down Expand Up @@ -341,6 +359,8 @@
{ "ad8366", (kernel_ulong_t)&ad8366_chip_info },
{ "ada4961", (kernel_ulong_t)&ada4961_chip_info },
{ "adl5240", (kernel_ulong_t)&adl5240_chip_info },
{ "adrf5702", (kernel_ulong_t)&adrf5702_chip_info },
{ "adrf5703", (kernel_ulong_t)&adrf5703_chip_info },
{ "adrf5720", (kernel_ulong_t)&adrf5720_chip_info },
{ "adrf5730", (kernel_ulong_t)&adrf5730_chip_info },
{ "adrf5731", (kernel_ulong_t)&adrf5731_chip_info },
Expand All @@ -357,6 +377,8 @@
{ .compatible = "adi,ad8366", .data = &ad8366_chip_info },
{ .compatible = "adi,ada4961", .data = &ada4961_chip_info },
{ .compatible = "adi,adl5240", .data = &adl5240_chip_info },
{ .compatible = "adi,adrf5702", .data = &adrf5702_chip_info },
{ .compatible = "adi,adrf5703", .data = &adrf5703_chip_info },
{ .compatible = "adi,adrf5720", .data = &adrf5720_chip_info },
{ .compatible = "adi,adrf5730", .data = &adrf5730_chip_info },
{ .compatible = "adi,adrf5731", .data = &adrf5731_chip_info },
Expand Down
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