linux-kernel - [PATCH V3 4/6] iio: accel: bmi088: Add support for bmi085 accel

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Date:   Wed, 18 May 2022 15:04:23 +0000
From:   LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn>
To:     jic23@...nel.org, lars@...afoo.de, mchehab+huawei@...nel.org,
        ardeleanalex@...il.com, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, Qing-wu.Li@...ca-geosystems.com.cn,
        robh+dt@...nel.org, mike.looijmans@...ic.nl,
        devicetree@...r.kernel.org, thomas.haemmerle@...ca-geosystems.com
Subject: [PATCH V3 4/6] iio: accel: bmi088: Add support for bmi085 accel

Add supports for BMI085, an Inertial Measurement Unit,
with an accelerometer and gyroscope.
The commit adds the accelerometer driver for the SPI interface.
The gyroscope part is already supported by the BMG160 driver.
Different from BMI088, the BMI085 accelerometer has the range of
+/-2, 4, 6, and 8g.

Reviewed-by: Alexandru Ardelean <ardeleanalex@...il.com>
Signed-off-by: LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn>
---
 drivers/iio/accel/bmi088-accel-core.c | 7 +++++++
 drivers/iio/accel/bmi088-accel-spi.c  | 2 ++
 drivers/iio/accel/bmi088-accel.h      | 1 +
 3 files changed, 10 insertions(+)

diff --git a/drivers/iio/accel/bmi088-accel-core.c b/drivers/iio/accel/bmi088-accel-core.c
index c30c2d510b92..d5e93ac7f1e1 100644
--- a/drivers/iio/accel/bmi088-accel-core.c
+++ b/drivers/iio/accel/bmi088-accel-core.c
@@ -464,6 +464,13 @@ static const struct iio_chan_spec bmi088_accel_channels[] = {
 };
 
 static const struct bmi088_accel_chip_info bmi088_accel_chip_info_tbl[] = {
+	[BOSCH_BMI085] = {
+		.name = "bmi085-accel",
+		.chip_id = 0x1F,
+		.channels = bmi088_accel_channels,
+		.num_channels = ARRAY_SIZE(bmi088_accel_channels),
+		.scale_table = {{0, 598}, {0, 1196}, {0, 2393}, {0, 4785}},
+	},
 	[BOSCH_BMI088] = {
 		.name = "bmi088-accel",
 		.chip_id = 0x1E,
diff --git a/drivers/iio/accel/bmi088-accel-spi.c b/drivers/iio/accel/bmi088-accel-spi.c
index 24cdeb41d2a6..f2cd70f362b8 100644
--- a/drivers/iio/accel/bmi088-accel-spi.c
+++ b/drivers/iio/accel/bmi088-accel-spi.c
@@ -62,12 +62,14 @@ static int bmi088_accel_remove(struct spi_device *spi)
 }
 
 static const struct of_device_id bmi088_of_match[] = {
+	{ .compatible = "bosch,bmi085-accel" },
 	{ .compatible = "bosch,bmi088-accel" },
 	{}
 };
 MODULE_DEVICE_TABLE(of, bmi088_of_match);
 
 static const struct spi_device_id bmi088_accel_id[] = {
+	{"bmi085-accel",  BOSCH_BMI085},
 	{"bmi088-accel",  BOSCH_BMI088},
 	{}
 };
diff --git a/drivers/iio/accel/bmi088-accel.h b/drivers/iio/accel/bmi088-accel.h
index b6a0281a847f..9b23f50c8271 100644
--- a/drivers/iio/accel/bmi088-accel.h
+++ b/drivers/iio/accel/bmi088-accel.h
@@ -9,6 +9,7 @@
 struct device;
 
 enum bmi_device_type {
+	BOSCH_BMI085,
 	BOSCH_BMI088,
 	BOSCH_UNKNOWN,
 };
-- 
2.25.1