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From: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
To: Jonathan Cameron <jic23@kernel.org>,
	linux-iio@vger.kernel.org, devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Subject: [PATCH 3/9] iio: imu: inv_mpu6050: add support of ICM20609 & ICM20689
Date: Mon, 20 Jan 2020 10:36:14 +0100	[thread overview]
Message-ID: <20200120093620.9681-4-jmaneyrol@invensense.com> (raw)
In-Reply-To: <20200120093620.9681-1-jmaneyrol@invensense.com>

They are similar to ICM20608 chip.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
---
 drivers/iio/imu/inv_mpu6050/Kconfig        |  8 +++----
 drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 26 ++++++++++++++++++----
 drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c  | 12 ++++++++++
 drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h  |  5 +++++
 drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c  | 10 +++++++++
 5 files changed, 53 insertions(+), 8 deletions(-)

diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig
index 003134734646..e933db3a5a89 100644
--- a/drivers/iio/imu/inv_mpu6050/Kconfig
+++ b/drivers/iio/imu/inv_mpu6050/Kconfig
@@ -16,8 +16,8 @@ config INV_MPU6050_I2C
 	select REGMAP_I2C
 	help
 	  This driver supports the Invensense MPU6050/9150,
-	  MPU6500/6515/9250/9255, ICM20608 and ICM20602 motion tracking devices
-	  over I2C.
+	  MPU6500/6515/9250/9255, ICM20608/20609/20689 and ICM20602
+	  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,
-	  MPU6500/6515/9250/9255, ICM20608 and ICM20602 motion tracking devices
-	  over SPI.
+	  MPU6500/6515/9250/9255, ICM20608/20609/20689 and ICM20602
+	  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 5096fc49012d..5fd57a1bee90 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -176,6 +176,22 @@ static const struct inv_mpu6050_hw hw_info[] = {
 		.fifo_size = 512,
 		.temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
 	},
+	{
+		.whoami = INV_ICM20609_WHOAMI_VALUE,
+		.name = "ICM20609",
+		.reg = &reg_set_6500,
+		.config = &chip_config_6050,
+		.fifo_size = 4 * 1024,
+		.temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
+	},
+	{
+		.whoami = INV_ICM20689_WHOAMI_VALUE,
+		.name = "ICM20689",
+		.reg = &reg_set_6500,
+		.config = &chip_config_6050,
+		.fifo_size = 4 * 1024,
+		.temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
+	},
 	{
 		.whoami = INV_ICM20602_WHOAMI_VALUE,
 		.name = "ICM20602",
@@ -286,20 +302,22 @@ static int inv_mpu6050_set_lpf_regs(struct inv_mpu6050_state *st,
 	if (result)
 		return result;
 
+	/* set accel lpf */
 	switch (st->chip_type) {
 	case INV_MPU6050:
 	case INV_MPU6000:
 	case INV_MPU9150:
 		/* old chips, nothing to do */
-		result = 0;
+		return 0;
+	case INV_ICM20689:
+		/* set FIFO size to maximum value */
+		val |= INV_ICM20689_BITS_FIFO_SIZE_MAX;
 		break;
 	default:
-		/* set accel lpf */
-		result = regmap_write(st->map, st->reg->accel_lpf, val);
 		break;
 	}
 
-	return result;
+	return regmap_write(st->map, st->reg->accel_lpf, val);
 }
 
 /**
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index f47a28b4be23..c2b5621edadb 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -74,6 +74,8 @@ static bool inv_mpu_i2c_aux_bus(struct device *dev)
 
 	switch (st->chip_type) {
 	case INV_ICM20608:
+	case INV_ICM20609:
+	case INV_ICM20689:
 	case INV_ICM20602:
 		/* no i2c auxiliary bus on the chip */
 		return false;
@@ -218,6 +220,8 @@ static const struct i2c_device_id inv_mpu_id[] = {
 	{"mpu9250", INV_MPU9250},
 	{"mpu9255", INV_MPU9255},
 	{"icm20608", INV_ICM20608},
+	{"icm20609", INV_ICM20609},
+	{"icm20689", INV_ICM20689},
 	{"icm20602", INV_ICM20602},
 	{}
 };
@@ -253,6 +257,14 @@ static const struct of_device_id inv_of_match[] = {
 		.compatible = "invensense,icm20608",
 		.data = (void *)INV_ICM20608
 	},
+	{
+		.compatible = "invensense,icm20609",
+		.data = (void *)INV_ICM20609
+	},
+	{
+		.compatible = "invensense,icm20689",
+		.data = (void *)INV_ICM20689
+	},
 	{
 		.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 6158fca7f70e..75b8903450eb 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -75,6 +75,8 @@ enum inv_devices {
 	INV_MPU9250,
 	INV_MPU9255,
 	INV_ICM20608,
+	INV_ICM20609,
+	INV_ICM20689,
 	INV_ICM20602,
 	INV_NUM_PARTS
 };
@@ -276,6 +278,7 @@ struct inv_mpu6050_state {
 
 /* mpu6500 registers */
 #define INV_MPU6500_REG_ACCEL_CONFIG_2      0x1D
+#define INV_ICM20689_BITS_FIFO_SIZE_MAX     0xC0
 #define INV_MPU6500_REG_ACCEL_OFFSET        0x77
 
 /* delay time in milliseconds */
@@ -340,6 +343,8 @@ struct inv_mpu6050_state {
 #define INV_MPU9255_WHOAMI_VALUE		0x73
 #define INV_MPU6515_WHOAMI_VALUE		0x74
 #define INV_ICM20608_WHOAMI_VALUE		0xAF
+#define INV_ICM20609_WHOAMI_VALUE		0xA6
+#define INV_ICM20689_WHOAMI_VALUE		0x98
 #define INV_ICM20602_WHOAMI_VALUE		0x12
 
 /* scan element definition for generic MPU6xxx devices */
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index f7276f9d83fc..189df8bae7b4 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -78,6 +78,8 @@ static const struct spi_device_id inv_mpu_id[] = {
 	{"mpu9250", INV_MPU9250},
 	{"mpu9255", INV_MPU9255},
 	{"icm20608", INV_ICM20608},
+	{"icm20609", INV_ICM20609},
+	{"icm20689", INV_ICM20689},
 	{"icm20602", INV_ICM20602},
 	{}
 };
@@ -109,6 +111,14 @@ static const struct of_device_id inv_of_match[] = {
 		.compatible = "invensense,icm20608",
 		.data = (void *)INV_ICM20608
 	},
+	{
+		.compatible = "invensense,icm20609",
+		.data = (void *)INV_ICM20609
+	},
+	{
+		.compatible = "invensense,icm20689",
+		.data = (void *)INV_ICM20689
+	},
 	{
 		.compatible = "invensense,icm20602",
 		.data = (void *)INV_ICM20602
-- 
2.17.1


  parent reply	other threads:[~2020-01-20  9:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-20  9:36 [PATCH 0/9] Add support of similar chips Jean-Baptiste Maneyrol
2020-01-20  9:36 ` [PATCH 1/9] dt-bindings: iio: imu: inv_mpu6050: add missing entry for mpu6000 Jean-Baptiste Maneyrol
2020-01-31 14:37   ` Rob Herring
2020-01-20  9:36 ` [PATCH 2/9] iio: imu: inv_mpu6050: cleanup spi support Jean-Baptiste Maneyrol
2020-02-01 16:16   ` Jonathan Cameron
2020-01-20  9:36 ` Jean-Baptiste Maneyrol [this message]
2020-01-20  9:36 ` [PATCH 4/9] dt-bindings: add description for icm20609 and icm20689 Jean-Baptiste Maneyrol
2020-01-20  9:36 ` [PATCH 5/9] iio: imu: inv_mpu6050: add support of IAM20680 Jean-Baptiste Maneyrol
2020-01-20  9:36 ` [PATCH 6/9] dt-bindings: add description for iam20680 Jean-Baptiste Maneyrol
2020-01-20  9:36 ` [PATCH 7/9] iio: imu: inv_mpu6050: add support of ICM20690 Jean-Baptiste Maneyrol
2020-01-20  9:36 ` [PATCH 8/9] dt-bindings: add description for icm20690 Jean-Baptiste Maneyrol
2020-01-20  9:36 ` [PATCH 9/9] iio: imu: inv_mpu6050: fix LPF bandwidth setting Jean-Baptiste Maneyrol
2020-02-01 16:23   ` Jonathan Cameron

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