From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/iio/accel/st_accel_spi.c | 172 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 drivers/iio/accel/st_accel_spi.c

(limited to 'drivers/iio/accel/st_accel_spi.c')

diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c
new file mode 100644
index 000000000..6c0917750
--- /dev/null
+++ b/drivers/iio/accel/st_accel_spi.c
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * STMicroelectronics accelerometers driver
+ *
+ * Copyright 2012-2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/spi/spi.h>
+#include <linux/iio/iio.h>
+
+#include <linux/iio/common/st_sensors.h>
+#include <linux/iio/common/st_sensors_spi.h>
+#include "st_accel.h"
+
+/*
+ * For new single-chip sensors use <device_name> as compatible string.
+ * For old single-chip devices keep <device_name>-accel to maintain
+ * compatibility
+ */
+static const struct of_device_id st_accel_of_match[] = {
+	{
+		/* An older compatible */
+		.compatible = "st,lis302dl-spi",
+		.data = LIS3LV02DL_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lis3lv02dl-accel",
+		.data = LIS3LV02DL_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,lis331dlh-accel",
+		.data = LIS331DLH_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,lis3l02dq",
+		.data = LIS3L02DQ_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lng2dm-accel",
+		.data = LNG2DM_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,h3lis331dl-accel",
+		.data = H3LIS331DL_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lis331dl-accel",
+		.data = LIS331DL_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lis2dw12",
+		.data = LIS2DW12_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lis3dhh",
+		.data = LIS3DHH_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lis3de",
+		.data = LIS3DE_ACCEL_DEV_NAME,
+	},
+	{
+		.compatible = "st,lis302dl",
+		.data = LIS302DL_ACCEL_DEV_NAME,
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, st_accel_of_match);
+
+static int st_accel_spi_probe(struct spi_device *spi)
+{
+	const struct st_sensor_settings *settings;
+	struct st_sensor_data *adata;
+	struct iio_dev *indio_dev;
+	int err;
+
+	st_sensors_dev_name_probe(&spi->dev, spi->modalias, sizeof(spi->modalias));
+
+	settings = st_accel_get_settings(spi->modalias);
+	if (!settings) {
+		dev_err(&spi->dev, "device name %s not recognized.\n",
+			spi->modalias);
+		return -ENODEV;
+	}
+
+	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	adata = iio_priv(indio_dev);
+	adata->sensor_settings = (struct st_sensor_settings *)settings;
+
+	err = st_sensors_spi_configure(indio_dev, spi);
+	if (err < 0)
+		return err;
+
+	err = st_sensors_power_enable(indio_dev);
+	if (err)
+		return err;
+
+	return st_accel_common_probe(indio_dev);
+}
+
+static const struct spi_device_id st_accel_id_table[] = {
+	{ LIS3DH_ACCEL_DEV_NAME },
+	{ LSM330D_ACCEL_DEV_NAME },
+	{ LSM330DL_ACCEL_DEV_NAME },
+	{ LSM330DLC_ACCEL_DEV_NAME },
+	{ LIS331DLH_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 },
+	{ LIS3DHH_ACCEL_DEV_NAME },
+	{ LIS3DE_ACCEL_DEV_NAME },
+	{ LIS302DL_ACCEL_DEV_NAME },
+	{},
+};
+MODULE_DEVICE_TABLE(spi, st_accel_id_table);
+
+static struct spi_driver st_accel_driver = {
+	.driver = {
+		.name = "st-accel-spi",
+		.of_match_table = st_accel_of_match,
+	},
+	.probe = st_accel_spi_probe,
+	.id_table = st_accel_id_table,
+};
+module_spi_driver(st_accel_driver);
+
+MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
-- 
cgit v1.2.3