linux-kernel - [PATCH] iio/gyro/bmg160: Add support for BMI088 chip

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Date:   Mon, 16 Mar 2020 07:34:03 +0100
From:   Mike Looijmans <mike.looijmans@...ic.nl>
To:     jic23@...nel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, robh+dt@...nel.org, mark.rutland@....com,
        hns@...delico.com, rui.silva@...aro.org,
        Mike Looijmans <mike.looijmans@...ic.nl>
Subject: [PATCH] iio/gyro/bmg160: Add support for BMI088 chip

The BMI088 is pin-compatible with the BMI055, and provides
both gyro and accel functions. The gyro part is similar to
the BMI055 and this adds the chip to the list of supported
devices for the gyro part.

The accel part of the chip is not compatible with anything
existing already.

Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
---
 Documentation/devicetree/bindings/iio/gyroscope/bmg160.txt | 2 +-
 drivers/iio/gyro/Kconfig                                   | 2 +-
 drivers/iio/gyro/bmg160_i2c.c                              | 2 ++
 drivers/iio/gyro/bmg160_spi.c                              | 1 +
 4 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/gyroscope/bmg160.txt b/Documentation/devicetree/bindings/iio/gyroscope/bmg160.txt
index 78e18a1e9c1d..bb43d1ad9c9f 100644
--- a/Documentation/devicetree/bindings/iio/gyroscope/bmg160.txt
+++ b/Documentation/devicetree/bindings/iio/gyroscope/bmg160.txt
@@ -2,7 +2,7 @@
 
 Required properties:
 
-  - compatible : should be "bosch,bmg160" or "bosch,bmi055_gyro"
+  - compatible : should be "bosch,bmg160", "bosch,bmi055_gyro" or "bosch,bmi088_gyro"
   - reg : the I2C address of the sensor (0x69)
 
 Optional properties:
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index 7eaf77707b0b..6daeddf37f60 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -61,7 +61,7 @@ config BMG160
 	help
 	  Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor
 	  driver connected via I2C or SPI. This driver also supports BMI055
-	  gyroscope.
+	  and BMI088 gyroscope.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called bmg160_i2c or bmg160_spi.
diff --git a/drivers/iio/gyro/bmg160_i2c.c b/drivers/iio/gyro/bmg160_i2c.c
index 4fc9c6a3321f..de15c6fc3381 100644
--- a/drivers/iio/gyro/bmg160_i2c.c
+++ b/drivers/iio/gyro/bmg160_i2c.c
@@ -42,6 +42,7 @@ static int bmg160_i2c_remove(struct i2c_client *client)
 static const struct acpi_device_id bmg160_acpi_match[] = {
 	{"BMG0160", 0},
 	{"BMI055B", 0},
+	{"BMI088B", 0},
 	{},
 };
 
@@ -50,6 +51,7 @@ MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
 static const struct i2c_device_id bmg160_i2c_id[] = {
 	{"bmg160", 0},
 	{"bmi055_gyro", 0},
+	{"bmi088_gyro", 0},
 	{}
 };
 
diff --git a/drivers/iio/gyro/bmg160_spi.c b/drivers/iio/gyro/bmg160_spi.c
index 182a59c42507..03e80bb2601a 100644
--- a/drivers/iio/gyro/bmg160_spi.c
+++ b/drivers/iio/gyro/bmg160_spi.c
@@ -37,6 +37,7 @@ static int bmg160_spi_remove(struct spi_device *spi)
 static const struct spi_device_id bmg160_spi_id[] = {
 	{"bmg160", 0},
 	{"bmi055_gyro", 0},
+	{"bmi088_gyro", 0},
 	{}
 };
 
-- 
2.17.1