iio: gyro: Add support for iam20380 sensor

Add support for the Invensense IAM20380 sensor to the MPU6050 driver. It is
similar to the IAM20680. But IAM20380 only supports gyro and WHOAMI
register data is difference.

Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241115-iam20380-v2-2-d8d9dc6891f5@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 844b611b825a961375193b726e9722c7a0d0887f..5bcd5e7970468d0279aa81f104d1355d8ed3c648 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -277,6 +277,14 @@ static const struct inv_mpu6050_hw hw_info[] = {
                .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
                .startup_time = {INV_ICM20690_GYRO_STARTUP_TIME, INV_ICM20690_ACCEL_STARTUP_TIME},
        },
+       {       .whoami = INV_IAM20380_WHOAMI_VALUE,
+               .name = "IAM20380",
+               .reg = &reg_set_6500,
+               .config = &chip_config_6500,
+               .fifo_size = 512,
+               .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
+               .startup_time = {INV_MPU6500_GYRO_STARTUP_TIME, INV_MPU6500_ACCEL_STARTUP_TIME},
+       },
        {
                .whoami = INV_IAM20680_WHOAMI_VALUE,
                .name = "IAM20680",
@@ -1519,6 +1527,14 @@ static const struct iio_chan_spec inv_mpu6050_channels[] = {
        INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_MPU6050_SCAN_ACCL_Z),
 };
 
+static const struct iio_chan_spec inv_iam20380_channels[] = {
+       IIO_CHAN_SOFT_TIMESTAMP(INV_MPU6050_SCAN_TIMESTAMP),
+
+       INV_MPU6050_CHAN(IIO_ANGL_VEL, IIO_MOD_X, INV_MPU6050_SCAN_GYRO_X),
+       INV_MPU6050_CHAN(IIO_ANGL_VEL, IIO_MOD_Y, INV_MPU6050_SCAN_GYRO_Y),
+       INV_MPU6050_CHAN(IIO_ANGL_VEL, IIO_MOD_Z, INV_MPU6050_SCAN_GYRO_Z),
+};
+
 static const struct iio_chan_spec inv_mpu6500_channels[] = {
        IIO_CHAN_SOFT_TIMESTAMP(INV_MPU6050_SCAN_TIMESTAMP),
 
@@ -1623,6 +1639,10 @@ static const struct iio_chan_spec inv_mpu9250_channels[] = {
        | BIT(INV_MPU9X50_SCAN_MAGN_Y)          \
        | BIT(INV_MPU9X50_SCAN_MAGN_Z))
 
+static const unsigned long inv_iam20380_scan_masks[] = {
+       INV_MPU6050_SCAN_MASK_3AXIS_GYRO,
+};
+
 static const unsigned long inv_mpu9x50_scan_masks[] = {
        /* 3-axis accel */
        INV_MPU6050_SCAN_MASK_3AXIS_ACCEL,
@@ -2026,6 +2046,11 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
                indio_dev->num_channels = ARRAY_SIZE(inv_mpu9250_channels);
                indio_dev->available_scan_masks = inv_mpu9x50_scan_masks;
                break;
+       case INV_IAM20380:
+               indio_dev->channels = inv_iam20380_channels;
+               indio_dev->num_channels = ARRAY_SIZE(inv_iam20380_channels);
+               indio_dev->available_scan_masks = inv_iam20380_scan_masks;
+               break;
        case INV_ICM20600:
        case INV_ICM20602:
                indio_dev->channels = inv_mpu6500_channels;

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index 307a06f4df2e2fb61d67a11dce8e01f901ffc128..91d77f94d2046aa141eaf33c17d0d5391fe606eb 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -34,6 +34,7 @@ static bool inv_mpu_i2c_aux_bus(struct device *dev)
        case INV_ICM20689:
        case INV_ICM20600:
        case INV_ICM20602:
+       case INV_IAM20380:
        case INV_IAM20680:
                /* no i2c auxiliary bus on the chip */
                return false;
@@ -187,6 +188,7 @@ static const struct i2c_device_id inv_mpu_id[] = {
        {"icm20600", INV_ICM20600},
        {"icm20602", INV_ICM20602},
        {"icm20690", INV_ICM20690},
+       {"iam20380", INV_IAM20380},
        {"iam20680", INV_IAM20680},
        {"iam20680hp", INV_IAM20680HP},
        {"iam20680ht", INV_IAM20680HT},
@@ -252,6 +254,10 @@ static const struct of_device_id inv_of_match[] = {
                .compatible = "invensense,icm20690",
                .data = (void *)INV_ICM20690
        },
+       {
+               .compatible = "invensense,iam20380",
+               .data = (void *)INV_IAM20380
+       },
        {
                .compatible = "invensense,iam20680",
                .data = (void *)INV_IAM20680

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
index a6862cf426396cbaf3452bb3451cd58e4f30a4ec..211901f8b8eb6fef72e57afabf5cbc3e5140b9b9 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -84,6 +84,7 @@ enum inv_devices {
        INV_ICM20600,
        INV_ICM20602,
        INV_ICM20690,
+       INV_IAM20380,
        INV_IAM20680,
        INV_IAM20680HP,
        INV_IAM20680HT,
@@ -425,6 +426,7 @@ struct inv_mpu6050_state {
 #define INV_ICM20600_WHOAMI_VALUE              0x11
 #define INV_ICM20602_WHOAMI_VALUE              0x12
 #define INV_ICM20690_WHOAMI_VALUE              0x20
+#define INV_IAM20380_WHOAMI_VALUE              0xB5
 #define INV_IAM20680_WHOAMI_VALUE              0xA9
 #define INV_IAM20680HP_WHOAMI_VALUE            0xF8
 #define INV_IAM20680HT_WHOAMI_VALUE            0xFA

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index ab415874d6994844c94302fa3cd45f05d2e50d45..20de6eb5cd35568623ed3e6ae6aac49a632a681a 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -79,6 +79,7 @@ static const struct spi_device_id inv_mpu_id[] = {
        {"icm20600", INV_ICM20600},
        {"icm20602", INV_ICM20602},
        {"icm20690", INV_ICM20690},
+       {"iam20380", INV_IAM20380},
        {"iam20680", INV_IAM20680},
        {"iam20680hp", INV_IAM20680HP},
        {"iam20680ht", INV_IAM20680HT},
@@ -140,6 +141,10 @@ static const struct of_device_id inv_of_match[] = {
                .compatible = "invensense,icm20690",
                .data = (void *)INV_ICM20690
        },
+       {
+               .compatible = "invensense,iam20380",
+               .data = (void *)INV_IAM20380
+       },
        {
                .compatible = "invensense,iam20680",
                .data = (void *)INV_IAM20680