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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/kxsd9-i2c.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/accel/kxsd9-i2c.c')
-rw-r--r--drivers/iio/accel/kxsd9-i2c.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c
new file mode 100644
index 000000000..38411e1c1
--- /dev/null
+++ b/drivers/iio/accel/kxsd9-i2c.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/regmap.h>
+
+#include "kxsd9.h"
+
+static int kxsd9_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ static const struct regmap_config config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x0e,
+ };
+ struct regmap *regmap;
+
+ regmap = devm_regmap_init_i2c(i2c, &config);
+ if (IS_ERR(regmap)) {
+ dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
+ (int)PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ return kxsd9_common_probe(&i2c->dev,
+ regmap,
+ i2c->name);
+}
+
+static int kxsd9_i2c_remove(struct i2c_client *client)
+{
+ return kxsd9_common_remove(&client->dev);
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id kxsd9_of_match[] = {
+ { .compatible = "kionix,kxsd9", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, kxsd9_of_match);
+#else
+#define kxsd9_of_match NULL
+#endif
+
+static const struct i2c_device_id kxsd9_i2c_id[] = {
+ {"kxsd9", 0},
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
+
+static struct i2c_driver kxsd9_i2c_driver = {
+ .driver = {
+ .name = "kxsd9",
+ .of_match_table = of_match_ptr(kxsd9_of_match),
+ .pm = &kxsd9_dev_pm_ops,
+ },
+ .probe = kxsd9_i2c_probe,
+ .remove = kxsd9_i2c_remove,
+ .id_table = kxsd9_i2c_id,
+};
+module_i2c_driver(kxsd9_i2c_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("KXSD9 accelerometer I2C interface");