staging:iio:imu:adis16400 add support for adis16300

Next patch will remove original driver.
Note this leaves holes in the scan indexing.

Untested - except via adis16350...

V3: rebase fixup.
V2: move to single IIO_CHAN macro.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/iio/imu/Kconfig b/drivers/staging/iio/imu/Kconfig
index d8f568f..082614d 100644 (file)
--- a/drivers/staging/iio/imu/Kconfig
+++ b/drivers/staging/iio/imu/Kconfig
@@ -18,7 +18,7 @@ config ADIS16400
        select IIO_SW_RING if IIO_RING_BUFFER
        select IIO_TRIGGER if IIO_RING_BUFFER
        help
-         Say yes here to build support for Analog Devices adis16350, adis16354,
-         adis16355, adis16360, adis16362, adis16364, adis16365, adis16400 and
-         adis16405 triaxial inertial sensors (adis16400 series also have
-         magnetometers).
+         Say yes here to build support for Analog Devices adis16300, adis16350,
+         adis16354, adis16355, adis16360, adis16362, adis16364, adis16365,
+         adis16400 and adis16405 triaxial inertial sensors (adis16400 series
+         also have magnetometers).

diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h
index ec3449b..9804c41 100644 (file)
--- a/drivers/staging/iio/imu/adis16400.h
+++ b/drivers/staging/iio/imu/adis16400.h
@@ -180,6 +180,8 @@ int adis16400_set_irq(struct iio_dev *indio_dev, bool enable);
 #define ADIS16400_SCAN_TEMP    10
 #define ADIS16350_SCAN_ADC_0   10
 #define ADIS16400_SCAN_ADC_0   11
+#define ADIS16300_SCAN_INCLI_X 12
+#define ADIS16300_SCAN_INCLI_Y 13
 
 void adis16400_remove_trigger(struct iio_dev *indio_dev);
 int adis16400_probe_trigger(struct iio_dev *indio_dev);

diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c
index fad7744..ddcae43 100644 (file)
--- a/drivers/staging/iio/imu/adis16400_core.c
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -39,6 +39,7 @@
 #define DRIVER_NAME            "adis16400"
 
 enum adis16400_chip_variant {
+       ADIS16300,
        ADIS16350,
        ADIS16360,
        ADIS16362,
@@ -663,6 +664,42 @@ static struct iio_chan_spec adis16350_channels[] = {
        IIO_CHAN_SOFT_TIMESTAMP(11)
 };
 
+static struct iio_chan_spec adis16300_channels[] = {
+       IIO_CHAN(IIO_IN, 0, 1, 0, "supply", 0, 0,
+                (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+                0, ADIS16400_SCAN_SUPPLY, IIO_ST('u', 12, 16, 0), 0),
+       IIO_CHAN(IIO_GYRO, 1, 0, 0, NULL, 0, IIO_MOD_X,
+                (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) |
+                (1 << IIO_CHAN_INFO_SCALE_SHARED),
+                1, ADIS16400_SCAN_GYRO_X, IIO_ST('s', 14, 16, 0), 0),
+       IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X,
+                (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) |
+                (1 << IIO_CHAN_INFO_SCALE_SHARED),
+                4, ADIS16400_SCAN_ACC_X, IIO_ST('s', 14, 16, 0), 0),
+       IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y,
+                (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) |
+                (1 << IIO_CHAN_INFO_SCALE_SHARED),
+                0, ADIS16400_SCAN_ACC_Y, IIO_ST('s', 14, 16, 0), 0),
+       IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Z,
+                (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) |
+                (1 << IIO_CHAN_INFO_SCALE_SHARED),
+                0, ADIS16400_SCAN_ACC_Z, IIO_ST('s', 14, 16, 0), 0),
+       IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0,
+                (1 << IIO_CHAN_INFO_OFFSET_SEPARATE) |
+                (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+                0, ADIS16400_SCAN_TEMP, IIO_ST('s', 12, 16, 0), 0),
+       IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
+                (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+                0, ADIS16350_SCAN_ADC_0, IIO_ST('s', 12, 16, 0), 0),
+       IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_X,
+                (1 << IIO_CHAN_INFO_SCALE_SHARED),
+                0, ADIS16300_SCAN_INCLI_X, IIO_ST('s', 13, 16, 0), 0),
+       IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_Y,
+                (1 << IIO_CHAN_INFO_SCALE_SHARED),
+                0, ADIS16300_SCAN_INCLI_Y, IIO_ST('s', 13, 16, 0), 0),
+       IIO_CHAN_SOFT_TIMESTAMP(14)
+};
+
 static struct attribute *adis16400_attributes[] = {
        &iio_dev_attr_sampling_frequency.dev_attr.attr,
        &iio_const_attr_sampling_frequency_available.dev_attr.attr,
@@ -676,6 +713,18 @@ static const struct attribute_group adis16400_attribute_group = {
 };
 
 static struct adis16400_chip_info adis16400_chips[] = {
+       [ADIS16300] = {
+               .channels = adis16300_channels,
+               .num_channels = ARRAY_SIZE(adis16300_channels),
+               .gyro_scale_micro = 873,
+               .accel_scale_micro = 5884,
+               .default_scan_mask = (1 << ADIS16400_SCAN_SUPPLY) |
+               (1 << ADIS16400_SCAN_GYRO_X) | (1 << ADIS16400_SCAN_ACC_X) |
+               (1 << ADIS16400_SCAN_ACC_Y) | (1 << ADIS16400_SCAN_ACC_Z) |
+               (1 << ADIS16400_SCAN_TEMP) | (1 << ADIS16400_SCAN_ADC_0) |
+               (1 << ADIS16300_SCAN_INCLI_X) | (1 << ADIS16300_SCAN_INCLI_Y) |
+               (1 << 14),
+       },
        [ADIS16350] = {
                .channels = adis16350_channels,
                .num_channels = ARRAY_SIZE(adis16350_channels),
@@ -852,6 +901,7 @@ err_ret:
 }
 
 static const struct spi_device_id adis16400_id[] = {
+       {"adis16300", ADIS16300},
        {"adis16350", ADIS16350},
        {"adis16354", ADIS16350},
        {"adis16355", ADIS16350},