iio: amplifiers: ad8366: add support for adrf5702/3

Add chip info structs and device table entries for ADRF5702 and ADRF5703
Digital Step Attenuators.

Reviewed-by: Nuno Sá <nuno.sa@analog.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 39d280d4d437747bae68e78e9c37ec8cbceba3f7..9e24421b5e975bc0aa5772fea316a89bc6a600aa 100644 (file)
--- a/drivers/iio/amplifiers/Kconfig
+++ b/drivers/iio/amplifiers/Kconfig
@@ -18,6 +18,8 @@ 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

diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c
index 334ca91c0f597f12d2c5f6f717f4a42785b2f114..bbf41a1fb3a128987342705eb8cb714d1467d844 100644 (file)
--- a/drivers/iio/amplifiers/ad8366.c
+++ b/drivers/iio/amplifiers/ad8366.c
@@ -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
@@ -106,6 +108,22 @@ static const struct ad8366_info adl5240_chip_info = {
        .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,
@@ -337,6 +355,8 @@ 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 },
+       { "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 },
@@ -353,6 +373,8 @@ 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,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 },