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Message-Id: <20241115-iam20380-v2-2-d8d9dc6891f5@nxp.com>
Date: Fri, 15 Nov 2024 17:37:23 -0500
From: Frank Li <Frank.Li@....com>
To: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>,
Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Frank Li <Frank.Li@....com>,
Han Xu <han.xu@....com>
Subject: [PATCH v2 2/2] iio: gyro: Add support for iam20380 sensor
From: Han Xu <han.xu@....com>
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@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 25 +++++++++++++++++++++++++
drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 6 ++++++
drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 2 ++
drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c | 5 +++++
4 files changed, 38 insertions(+)
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 40271352b02cf..a7535cbc214e9 100644
--- 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 = ®_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 7a5926ba6b97d..62f7d16c2ddcb 100644
--- 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 a6862cf426396..211901f8b8eb6 100644
--- 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 e6a291fcda958..cd54e9dbf99ce 100644
--- 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
--
2.34.1
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