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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/iio/accel/st_accel_i2c.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/accel/st_accel_i2c.c')
-rw-r--r--drivers/iio/accel/st_accel_i2c.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
new file mode 100644
index 000000000..b314ef878
--- /dev/null
+++ b/drivers/iio/accel/st_accel_i2c.c
@@ -0,0 +1,189 @@
+/*
+ * STMicroelectronics accelerometers driver
+ *
+ * Copyright 2012-2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ *
+ * Licensed under the GPL-2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+#include <linux/iio/iio.h>
+#include <linux/property.h>
+
+#include <linux/iio/common/st_sensors_i2c.h>
+#include "st_accel.h"
+
+#ifdef CONFIG_OF
+static const struct of_device_id st_accel_of_match[] = {
+ {
+ /* An older compatible */
+ .compatible = "st,lis3lv02d",
+ .data = LIS3LV02DL_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis3lv02dl-accel",
+ .data = LIS3LV02DL_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm303dlh-accel",
+ .data = LSM303DLH_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm303dlhc-accel",
+ .data = LSM303DLHC_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis3dh-accel",
+ .data = LIS3DH_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330d-accel",
+ .data = LSM330D_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330dl-accel",
+ .data = LSM330DL_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330dlc-accel",
+ .data = LSM330DLC_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis331dl-accel",
+ .data = LIS331DL_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis331dlh-accel",
+ .data = LIS331DLH_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm303dl-accel",
+ .data = LSM303DL_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm303dlm-accel",
+ .data = LSM303DLM_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330-accel",
+ .data = LSM330_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm303agr-accel",
+ .data = LSM303AGR_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis2dh12-accel",
+ .data = LIS2DH12_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,h3lis331dl-accel",
+ .data = H3LIS331DL_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis3l02dq",
+ .data = LIS3L02DQ_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lng2dm-accel",
+ .data = LNG2DM_ACCEL_DEV_NAME,
+ },
+ {
+ .compatible = "st,lis2dw12",
+ .data = LIS2DW12_ACCEL_DEV_NAME,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, st_accel_of_match);
+#else
+#define st_accel_of_match NULL
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id st_accel_acpi_match[] = {
+ {"SMO8840", (kernel_ulong_t)LIS2DH12_ACCEL_DEV_NAME},
+ {"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
+#else
+#define st_accel_acpi_match NULL
+#endif
+
+static const struct i2c_device_id st_accel_id_table[] = {
+ { LSM303DLH_ACCEL_DEV_NAME },
+ { LSM303DLHC_ACCEL_DEV_NAME },
+ { LIS3DH_ACCEL_DEV_NAME },
+ { LSM330D_ACCEL_DEV_NAME },
+ { LSM330DL_ACCEL_DEV_NAME },
+ { LSM330DLC_ACCEL_DEV_NAME },
+ { LIS331DLH_ACCEL_DEV_NAME },
+ { LSM303DL_ACCEL_DEV_NAME },
+ { LSM303DLM_ACCEL_DEV_NAME },
+ { LSM330_ACCEL_DEV_NAME },
+ { LSM303AGR_ACCEL_DEV_NAME },
+ { LIS2DH12_ACCEL_DEV_NAME },
+ { LIS3L02DQ_ACCEL_DEV_NAME },
+ { LNG2DM_ACCEL_DEV_NAME },
+ { H3LIS331DL_ACCEL_DEV_NAME },
+ { LIS331DL_ACCEL_DEV_NAME },
+ { LIS3LV02DL_ACCEL_DEV_NAME },
+ { LIS2DW12_ACCEL_DEV_NAME },
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
+
+static int st_accel_i2c_probe(struct i2c_client *client)
+{
+ struct iio_dev *indio_dev;
+ struct st_sensor_data *adata;
+ const char *match;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ adata = iio_priv(indio_dev);
+
+ match = device_get_match_data(&client->dev);
+ if (match)
+ strlcpy(client->name, match, sizeof(client->name));
+
+ st_sensors_i2c_configure(indio_dev, client, adata);
+
+ ret = st_accel_common_probe(indio_dev);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int st_accel_i2c_remove(struct i2c_client *client)
+{
+ st_accel_common_remove(i2c_get_clientdata(client));
+
+ return 0;
+}
+
+static struct i2c_driver st_accel_driver = {
+ .driver = {
+ .name = "st-accel-i2c",
+ .of_match_table = of_match_ptr(st_accel_of_match),
+ .acpi_match_table = ACPI_PTR(st_accel_acpi_match),
+ },
+ .probe_new = st_accel_i2c_probe,
+ .remove = st_accel_i2c_remove,
+ .id_table = st_accel_id_table,
+};
+module_i2c_driver(st_accel_driver);
+
+MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver");
+MODULE_LICENSE("GPL v2");