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authorMichael Srba <Michael.Srba@seznam.cz>2022-03-23 13:15:50 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2022-04-04 09:11:24 +0100
commit6dc2c8711abcf87bb10039e99a0efb6f8b3a2cf9 (patch)
treed0fbceb56d0348c2b07190c09912170685205470
parentdt-bindings: iio: imu: mpu6050: Document invensense,icm20608d (diff)
downloadlinux-dev-6dc2c8711abcf87bb10039e99a0efb6f8b3a2cf9.tar.xz
linux-dev-6dc2c8711abcf87bb10039e99a0efb6f8b3a2cf9.zip
iio: imu: inv_mpu6050: Add support for ICM-20608-D
The difference between the ICM-20608-D and the other ICM-20608 variants is the addition of a DMP (Digital Motion Processor) core. This difference is deemed substantial enough to change the WHOAMI register value. Since this driver doesn't currently acknowledge the exisence of something like a DMP core, simply copy ICM-20608 except for the aforementioned WHOAMI register. Signed-off-by: Michael Srba <Michael.Srba@seznam.cz> Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com> Link: https://lore.kernel.org/r/20220323121550.16096-3-michael.srba@seznam.cz Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/imu/inv_mpu6050/Kconfig4
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_core.c9
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c6
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h2
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c5
5 files changed, 24 insertions, 2 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig
index 9c625517173a..3636b1bc90f1 100644
--- a/drivers/iio/imu/inv_mpu6050/Kconfig
+++ b/drivers/iio/imu/inv_mpu6050/Kconfig
@@ -16,7 +16,7 @@ config INV_MPU6050_I2C
select REGMAP_I2C
help
This driver supports the Invensense MPU6050/9150,
- MPU6500/6515/6880/9250/9255, ICM20608/20609/20689, ICM20602/ICM20690
+ MPU6500/6515/6880/9250/9255, ICM20608(D)/20609/20689, ICM20602/ICM20690
and IAM20680 motion tracking devices over I2C.
This driver can be built as a module. The module will be called
inv-mpu6050-i2c.
@@ -28,7 +28,7 @@ config INV_MPU6050_SPI
select REGMAP_SPI
help
This driver supports the Invensense MPU6000,
- MPU6500/6515/6880/9250/9255, ICM20608/20609/20689, ICM20602/ICM20690
+ MPU6500/6515/6880/9250/9255, ICM20608(D)/20609/20689, ICM20602/ICM20690
and IAM20680 motion tracking devices over SPI.
This driver can be built as a module. The module will be called
inv-mpu6050-spi.
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 597768c29a72..86fbbe904050 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -218,6 +218,15 @@ static const struct inv_mpu6050_hw hw_info[] = {
.startup_time = {INV_MPU6500_GYRO_STARTUP_TIME, INV_MPU6500_ACCEL_STARTUP_TIME},
},
{
+ .whoami = INV_ICM20608D_WHOAMI_VALUE,
+ .name = "ICM20608D",
+ .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_ICM20609_WHOAMI_VALUE,
.name = "ICM20609",
.reg = &reg_set_6500,
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index 55cffb5fa115..2aa647704a79 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -29,6 +29,7 @@ static bool inv_mpu_i2c_aux_bus(struct device *dev)
switch (st->chip_type) {
case INV_ICM20608:
+ case INV_ICM20608D:
case INV_ICM20609:
case INV_ICM20689:
case INV_ICM20602:
@@ -182,6 +183,7 @@ static const struct i2c_device_id inv_mpu_id[] = {
{"mpu9250", INV_MPU9250},
{"mpu9255", INV_MPU9255},
{"icm20608", INV_ICM20608},
+ {"icm20608d", INV_ICM20608D},
{"icm20609", INV_ICM20609},
{"icm20689", INV_ICM20689},
{"icm20602", INV_ICM20602},
@@ -226,6 +228,10 @@ static const struct of_device_id inv_of_match[] = {
.data = (void *)INV_ICM20608
},
{
+ .compatible = "invensense,icm20608d",
+ .data = (void *)INV_ICM20608D
+ },
+ {
.compatible = "invensense,icm20609",
.data = (void *)INV_ICM20609
},
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
index c6aa36ee966a..8e14f20b1314 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -76,6 +76,7 @@ enum inv_devices {
INV_MPU9250,
INV_MPU9255,
INV_ICM20608,
+ INV_ICM20608D,
INV_ICM20609,
INV_ICM20689,
INV_ICM20602,
@@ -394,6 +395,7 @@ struct inv_mpu6050_state {
#define INV_MPU9255_WHOAMI_VALUE 0x73
#define INV_MPU6515_WHOAMI_VALUE 0x74
#define INV_ICM20608_WHOAMI_VALUE 0xAF
+#define INV_ICM20608D_WHOAMI_VALUE 0xAE
#define INV_ICM20609_WHOAMI_VALUE 0xA6
#define INV_ICM20689_WHOAMI_VALUE 0x98
#define INV_ICM20602_WHOAMI_VALUE 0x12
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index 26a7c2521dc4..e6107b0cc38f 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -73,6 +73,7 @@ static const struct spi_device_id inv_mpu_id[] = {
{"mpu9250", INV_MPU9250},
{"mpu9255", INV_MPU9255},
{"icm20608", INV_ICM20608},
+ {"icm20608d", INV_ICM20608D},
{"icm20609", INV_ICM20609},
{"icm20689", INV_ICM20689},
{"icm20602", INV_ICM20602},
@@ -113,6 +114,10 @@ static const struct of_device_id inv_of_match[] = {
.data = (void *)INV_ICM20608
},
{
+ .compatible = "invensense,icm20608d",
+ .data = (void *)INV_ICM20608D
+ },
+ {
.compatible = "invensense,icm20609",
.data = (void *)INV_ICM20609
},