iio: accel: bmc150-accel: Add support for BMA222

This adds support for the BMA222 version of this sensor,
found in for example the Samsung GT-I9070 mobile phone.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201115205745.618455-2-linus.walleij@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index c641ee5..1c9e44f 100644 (file)
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -5,6 +5,7 @@
  *  - BMI055
  *  - BMA255
  *  - BMA250E
+ *  - BMA222
  *  - BMA222E
  *  - BMA280
  *
@@ -1063,6 +1064,20 @@ static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
                                 {153277, BMC150_ACCEL_DEF_RANGE_8G},
                                 {306457, BMC150_ACCEL_DEF_RANGE_16G} },
        },
+       [bma222] = {
+               .name = "BMA222",
+               .chip_id = 0x03,
+               .channels = bma222e_accel_channels,
+               .num_channels = ARRAY_SIZE(bma222e_accel_channels),
+               /*
+                * The datasheet page 17 says:
+                * 15.6, 31.3, 62.5 and 125 mg per LSB.
+                */
+               .scale_table = { {156000, BMC150_ACCEL_DEF_RANGE_2G},
+                                {313000, BMC150_ACCEL_DEF_RANGE_4G},
+                                {625000, BMC150_ACCEL_DEF_RANGE_8G},
+                                {1250000, BMC150_ACCEL_DEF_RANGE_16G} },
+       },
        [bma222e] = {
                .name = "BMA222E",
                .chip_id = 0xF8,

diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c
index 06021c8..bba92dd 100644 (file)
--- a/drivers/iio/accel/bmc150-accel-i2c.c
+++ b/drivers/iio/accel/bmc150-accel-i2c.c
@@ -5,6 +5,7 @@
  *  - BMI055
  *  - BMA255
  *  - BMA250E
+ *  - BMA222
  *  - BMA222E
  *  - BMA280
  *
@@ -54,6 +55,7 @@ static const struct acpi_device_id bmc150_accel_acpi_match[] = {
        {"BMI055A",     bmi055},
        {"BMA0255",     bma255},
        {"BMA250E",     bma250e},
+       {"BMA222",      bma222},
        {"BMA222E",     bma222e},
        {"BMA0280",     bma280},
        {"BOSC0200"},
@@ -66,6 +68,7 @@ static const struct i2c_device_id bmc150_accel_id[] = {
        {"bmi055_accel",        bmi055},
        {"bma255",              bma255},
        {"bma250e",             bma250e},
+       {"bma222",              bma222},
        {"bma222e",             bma222e},
        {"bma280",              bma280},
        {}
@@ -78,6 +81,7 @@ static const struct of_device_id bmc150_accel_of_match[] = {
        { .compatible = "bosch,bmi055_accel" },
        { .compatible = "bosch,bma255" },
        { .compatible = "bosch,bma250e" },
+       { .compatible = "bosch,bma222" },
        { .compatible = "bosch,bma222e" },
        { .compatible = "bosch,bma280" },
        { },

diff --git a/drivers/iio/accel/bmc150-accel-spi.c b/drivers/iio/accel/bmc150-accel-spi.c
index 2a8c311..74a8aee 100644 (file)
--- a/drivers/iio/accel/bmc150-accel-spi.c
+++ b/drivers/iio/accel/bmc150-accel-spi.c
@@ -39,6 +39,7 @@ static const struct acpi_device_id bmc150_accel_acpi_match[] = {
        {"BMI055A",     bmi055},
        {"BMA0255",     bma255},
        {"BMA250E",     bma250e},
+       {"BMA222",      bma222},
        {"BMA222E",     bma222e},
        {"BMA0280",     bma280},
        { },
@@ -50,6 +51,7 @@ static const struct spi_device_id bmc150_accel_id[] = {
        {"bmi055_accel",        bmi055},
        {"bma255",              bma255},
        {"bma250e",             bma250e},
+       {"bma222",              bma222},
        {"bma222e",             bma222e},
        {"bma280",              bma280},
        {}

diff --git a/drivers/iio/accel/bmc150-accel.h b/drivers/iio/accel/bmc150-accel.h
index ae6118a..f542710 100644 (file)
--- a/drivers/iio/accel/bmc150-accel.h
+++ b/drivers/iio/accel/bmc150-accel.h
@@ -9,6 +9,7 @@ enum {
        bmi055,
        bma255,
        bma250e,
+       bma222,
        bma222e,
        bma280,
 };