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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-spi.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.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/kxsd9-spi.c')
-rw-r--r--drivers/iio/accel/kxsd9-spi.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/iio/accel/kxsd9-spi.c b/drivers/iio/accel/kxsd9-spi.c
new file mode 100644
index 000000000..b7d0078fd
--- /dev/null
+++ b/drivers/iio/accel/kxsd9-spi.c
@@ -0,0 +1,56 @@
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/regmap.h>
+
+#include "kxsd9.h"
+
+static int kxsd9_spi_probe(struct spi_device *spi)
+{
+ static const struct regmap_config config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x0e,
+ };
+ struct regmap *regmap;
+
+ spi->mode = SPI_MODE_0;
+ regmap = devm_regmap_init_spi(spi, &config);
+ if (IS_ERR(regmap)) {
+ dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
+ __func__, PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ return kxsd9_common_probe(&spi->dev,
+ regmap,
+ spi_get_device_id(spi)->name);
+}
+
+static int kxsd9_spi_remove(struct spi_device *spi)
+{
+ return kxsd9_common_remove(&spi->dev);
+}
+
+static const struct spi_device_id kxsd9_spi_id[] = {
+ {"kxsd9", 0},
+ { },
+};
+MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
+
+static struct spi_driver kxsd9_spi_driver = {
+ .driver = {
+ .name = "kxsd9",
+ .pm = &kxsd9_dev_pm_ops,
+ },
+ .probe = kxsd9_spi_probe,
+ .remove = kxsd9_spi_remove,
+ .id_table = kxsd9_spi_id,
+};
+module_spi_driver(kxsd9_spi_driver);
+
+MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
+MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
+MODULE_LICENSE("GPL v2");