iio: amplifiers: ad8366: update device support

Add support for the following digital step attenuators:
- HMC271A: 1dB LSB 5-Bit Digital Attenuator SMT, 0.7 - 3.7 GHz
- ADRF5720: 0.5 dB LSB, 6-Bit, Digital Attenuator, 9 kHz to 40 GHz
- ADRF5730: 0.5 dB LSB, 6-Bit, Digital Attenuator, 100 MHz to 40 GHz
- ADRF5731: 2 dB LSB, 4-Bit, Digital Attenuator, 100 MHz to 40 GHz
- HMC1018A: 1.0 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 30 GHz
- HMC1019A: 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 30 GHz

Additionally, copyright notice was updated with current year.

Co-developed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Co-developed-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/amplifiers/Kconfig b/drivers/iio/amplifiers/Kconfig
index a8a604863eedff6a032f96da0a35c8dfdfc80c69..39d280d4d437747bae68e78e9c37ec8cbceba3f7 100644 (file)
--- a/drivers/iio/amplifiers/Kconfig
+++ b/drivers/iio/amplifiers/Kconfig
@@ -18,7 +18,13 @@ config AD8366
            AD8366 Dual-Digital Variable Gain Amplifier (VGA)
            ADA4961 BiCMOS RF Digital Gain Amplifier (DGA)
            ADL5240 Digitally controlled variable gain amplifier (VGA)
+           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
+           HMC1018A: 1.0 dB LSB GaAs MMIC 5-BIT Digital Attenuator
+           HMC1019A: 0.5 dB LSB GaAs MMIC 5-BIT Digital Attenuator
            HMC1119 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator
 
          To compile this driver as a module, choose M here: the

diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c
index d4499af0518a72f665ec4497f307dcd01e370f65..334ca91c0f597f12d2c5f6f717f4a42785b2f114 100644 (file)
--- a/drivers/iio/amplifiers/ad8366.c
+++ b/drivers/iio/amplifiers/ad8366.c
@@ -5,10 +5,16 @@
  *   AD8366 Dual-Digital Variable Gain Amplifier (VGA)
  *   ADA4961 BiCMOS RF Digital Gain Amplifier (DGA)
  *   ADL5240 Digitally controlled variable gain amplifier (VGA)
+ *   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
+ *   HMC271A: 1dB LSB 5-Bit Digital Attenuator SMT, 0.7 - 3.7 GHz
  *   HMC792A 0.25 dB LSB GaAs MMIC 6-Bit Digital Attenuator
+ *   HMC1018A: 1.0 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 30 GHz
+ *   HMC1019A: 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 30 GHz
  *   HMC1119 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator
  *
- * Copyright 2012-2019 Analog Devices Inc.
+ * Copyright 2012-2026 Analog Devices Inc.
  */
 
 #include <linux/bitrev.h>
@@ -61,6 +67,20 @@ static size_t ad8366_pack_code(const unsigned char *code, size_t num_channels,
        return sizeof(__be16);
 }
 
+static size_t adrf5731_pack_code(const unsigned char *code, size_t num_channels,
+                                unsigned char *data)
+{
+       data[0] = code[0] << 2;
+       return 1;
+}
+
+static size_t hmc271_pack_code(const unsigned char *code, size_t num_channels,
+                              unsigned char *data)
+{
+       data[0] = bitrev8(code[0]) >> 3;
+       return 1;
+}
+
 static const struct ad8366_info ad8366_chip_info = {
        .name = "ad8366",
        .gain_min = 4500,
@@ -86,6 +106,40 @@ static const struct ad8366_info adl5240_chip_info = {
        .num_channels = 1,
 };
 
+static const struct ad8366_info adrf5720_chip_info = {
+       .name = "adrf5720",
+       .gain_min = -31500,
+       .gain_max = 0,
+       .gain_step = -500,
+       .num_channels = 1,
+};
+
+static const struct ad8366_info adrf5730_chip_info = {
+       .name = "adrf5730",
+       .gain_min = -31500,
+       .gain_max = 0,
+       .gain_step = -500,
+       .num_channels = 1,
+};
+
+static const struct ad8366_info adrf5731_chip_info = {
+       .name = "adrf5731",
+       .gain_min = -30000,
+       .gain_max = 0,
+       .gain_step = -2000,
+       .num_channels = 1,
+       .pack_code = adrf5731_pack_code,
+};
+
+static const struct ad8366_info hmc271_chip_info = {
+       .name = "hmc271a",
+       .gain_min = -31000,
+       .gain_max = 0,
+       .gain_step = 1000,
+       .num_channels = 1,
+       .pack_code = hmc271_pack_code,
+};
+
 static const struct ad8366_info hmc792_chip_info = {
        .name = "hmc792a",
        .gain_min = -15750,
@@ -94,6 +148,22 @@ static const struct ad8366_info hmc792_chip_info = {
        .num_channels = 1,
 };
 
+static const struct ad8366_info hmc1018_chip_info = {
+       .name = "hmc1018a",
+       .gain_min = -31000,
+       .gain_max = 0,
+       .gain_step = 1000,
+       .num_channels = 1,
+};
+
+static const struct ad8366_info hmc1019_chip_info = {
+       .name = "hmc1019a",
+       .gain_min = -15500,
+       .gain_max = 0,
+       .gain_step = 500,
+       .num_channels = 1,
+};
+
 static const struct ad8366_info hmc1119_chip_info = {
        .name = "hmc1119",
        .gain_min = -31750,
@@ -267,7 +337,13 @@ static const struct spi_device_id ad8366_id[] = {
        { "ad8366", (kernel_ulong_t)&ad8366_chip_info },
        { "ada4961", (kernel_ulong_t)&ada4961_chip_info },
        { "adl5240", (kernel_ulong_t)&adl5240_chip_info },
+       { "adrf5720", (kernel_ulong_t)&adrf5720_chip_info },
+       { "adrf5730", (kernel_ulong_t)&adrf5730_chip_info },
+       { "adrf5731", (kernel_ulong_t)&adrf5731_chip_info },
+       { "hmc271a", (kernel_ulong_t)&hmc271_chip_info },
        { "hmc792a", (kernel_ulong_t)&hmc792_chip_info },
+       { "hmc1018a", (kernel_ulong_t)&hmc1018_chip_info },
+       { "hmc1019a", (kernel_ulong_t)&hmc1019_chip_info },
        { "hmc1119", (kernel_ulong_t)&hmc1119_chip_info },
        { }
 };
@@ -277,7 +353,13 @@ static const struct of_device_id ad8366_of_match[] = {
        { .compatible = "adi,ad8366", .data = &ad8366_chip_info },
        { .compatible = "adi,ada4961", .data = &ada4961_chip_info },
        { .compatible = "adi,adl5240", .data = &adl5240_chip_info },
+       { .compatible = "adi,adrf5720", .data = &adrf5720_chip_info },
+       { .compatible = "adi,adrf5730", .data = &adrf5730_chip_info },
+       { .compatible = "adi,adrf5731", .data = &adrf5731_chip_info },
+       { .compatible = "adi,hmc271a", .data = &hmc271_chip_info },
        { .compatible = "adi,hmc792a", .data = &hmc792_chip_info },
+       { .compatible = "adi,hmc1018a", .data = &hmc1018_chip_info },
+       { .compatible = "adi,hmc1019a", .data = &hmc1019_chip_info },
        { .compatible = "adi,hmc1119", .data = &hmc1119_chip_info },
        { }
 };