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Message-ID: <20230421071630.524822-2-chenhuiz@axis.com>
Date: Fri, 21 Apr 2023 15:16:29 +0800
From: Hermes Zhang <chenhuiz@...s.com>
To: <jic23@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<robh+dt@...nel.org>
CC: <jmaneyrol@...ensense.com>, <linux-iio@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <kernel@...s.com>,
Hermes Zhang <chenhuiz@...s.com>,
Lars-Peter Clausen <lars@...afoo.de>
Subject: [PATCH 1/2] iio: imu: mpu6050: Add support for the ICM 20600 IMU
The Invensense ICM-20600 is a 6-axis MotionTracking device that combines a
3-axis gyroscope and an 3-axis accelerometer. It is very similar to the
ICM20602 imu which is already supported by the mpu6050 driver. The main
difference is that the ICM-20600 has a different WHOAMI value.
Signed-off-by: Hermes Zhang <chenhuiz@...s.com>
---
drivers/iio/imu/inv_mpu6050/Kconfig | 4 ++--
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 10 ++++++++++
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 +++++
5 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig
index 3636b1bc90f1..64dd73dcc4ba 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(D)/20609/20689, ICM20602/ICM20690
+ MPU6500/6515/6880/9250/9255, ICM20608(D)/20609/20689, ICM20600/20602/20690
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(D)/20609/20689, ICM20602/ICM20690
+ MPU6500/6515/6880/9250/9255, ICM20608(D)/20609/20689, ICM20600/20602/20690
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 8a129120b73d..592a6e60b413 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -244,6 +244,15 @@ static const struct inv_mpu6050_hw hw_info[] = {
.temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
.startup_time = {INV_MPU6500_GYRO_STARTUP_TIME, INV_MPU6500_ACCEL_STARTUP_TIME},
},
+ {
+ .whoami = INV_ICM20600_WHOAMI_VALUE,
+ .name = "ICM20600",
+ .reg = ®_set_icm20602,
+ .config = &chip_config_6500,
+ .fifo_size = 1008,
+ .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
+ .startup_time = {INV_ICM20602_GYRO_STARTUP_TIME, INV_ICM20602_ACCEL_STARTUP_TIME},
+ },
{
.whoami = INV_ICM20602_WHOAMI_VALUE,
.name = "ICM20602",
@@ -1597,6 +1606,7 @@ 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_ICM20600:
case INV_ICM20602:
indio_dev->channels = inv_mpu_channels;
indio_dev->num_channels = ARRAY_SIZE(inv_mpu_channels);
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index 2f2da4cb7321..0e39877678df 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -32,6 +32,7 @@ static bool inv_mpu_i2c_aux_bus(struct device *dev)
case INV_ICM20608D:
case INV_ICM20609:
case INV_ICM20689:
+ case INV_ICM20600:
case INV_ICM20602:
case INV_IAM20680:
/* no i2c auxiliary bus on the chip */
@@ -183,6 +184,7 @@ static const struct i2c_device_id inv_mpu_id[] = {
{"icm20608d", INV_ICM20608D},
{"icm20609", INV_ICM20609},
{"icm20689", INV_ICM20689},
+ {"icm20600", INV_ICM20600},
{"icm20602", INV_ICM20602},
{"icm20690", INV_ICM20690},
{"iam20680", INV_IAM20680},
@@ -236,6 +238,10 @@ static const struct of_device_id inv_of_match[] = {
.compatible = "invensense,icm20689",
.data = (void *)INV_ICM20689
},
+ {
+ .compatible = "invensense,icm20600",
+ .data = (void *)INV_ICM20600
+ },
{
.compatible = "invensense,icm20602",
.data = (void *)INV_ICM20602
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
index 94b54c501ec0..b4ab2c397d0f 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -79,6 +79,7 @@ enum inv_devices {
INV_ICM20608D,
INV_ICM20609,
INV_ICM20689,
+ INV_ICM20600,
INV_ICM20602,
INV_ICM20690,
INV_IAM20680,
@@ -398,6 +399,7 @@ struct inv_mpu6050_state {
#define INV_ICM20608D_WHOAMI_VALUE 0xAE
#define INV_ICM20609_WHOAMI_VALUE 0xA6
#define INV_ICM20689_WHOAMI_VALUE 0x98
+#define INV_ICM20600_WHOAMI_VALUE 0x11
#define INV_ICM20602_WHOAMI_VALUE 0x12
#define INV_ICM20690_WHOAMI_VALUE 0x20
#define INV_IAM20680_WHOAMI_VALUE 0xA9
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index 89f46c2f213d..05451ca1580b 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -76,6 +76,7 @@ static const struct spi_device_id inv_mpu_id[] = {
{"icm20608d", INV_ICM20608D},
{"icm20609", INV_ICM20609},
{"icm20689", INV_ICM20689},
+ {"icm20600", INV_ICM20600},
{"icm20602", INV_ICM20602},
{"icm20690", INV_ICM20690},
{"iam20680", INV_IAM20680},
@@ -125,6 +126,10 @@ static const struct of_device_id inv_of_match[] = {
.compatible = "invensense,icm20689",
.data = (void *)INV_ICM20689
},
+ {
+ .compatible = "invensense,icm20600",
+ .data = (void *)INV_ICM20600
+ },
{
.compatible = "invensense,icm20602",
.data = (void *)INV_ICM20602
--
2.30.2
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