1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/iio/pressure/abp2030pa_i2c.c b/drivers/iio/pressure/abp2030pa_i2c.c
new file mode 100644
index 000000000000..9f1c1c8a9afb
--- /dev/null
+++ b/drivers/iio/pressure/abp2030pa_i2c.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Honeywell ABP2 series pressure sensor driver
+ *
+ * Copyright (c) 2025 Petre Rodan <petre.rodan@subdimension.ro>
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#include "abp2030pa.h"
+
+static int abp2_i2c_read(struct abp2_data *data, u8 unused, u8 nbytes)
+{
+	struct i2c_client *client = to_i2c_client(data->dev);
+	int ret;
+
+	if (nbytes > ABP2_MEASUREMENT_RD_SIZE)
+		return -EOVERFLOW;
+
+	ret = i2c_master_recv(client, data->rx_buf, nbytes);
+	if (ret < 0)
+		return ret;
+	if (ret != nbytes)
+		return -EIO;
+
+	return 0;
+}
+
+static int abp2_i2c_write(struct abp2_data *data, u8 cmd, u8 nbytes)
+{
+	struct i2c_client *client = to_i2c_client(data->dev);
+	int ret;
+
+	if (nbytes > ABP2_MEASUREMENT_RD_SIZE)
+		return -EOVERFLOW;
+
+	data->tx_buf[0] = cmd;
+	ret = i2c_master_send(client, data->tx_buf, nbytes);
+	if (ret < 0)
+		return ret;
+	if (ret != nbytes)
+		return -EIO;
+
+	return 0;
+}
+
+static const struct abp2_ops abp2_i2c_ops = {
+	.read = abp2_i2c_read,
+	.write = abp2_i2c_write,
+};
+
+static int abp2_i2c_probe(struct i2c_client *client)
+{
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
+		return -EOPNOTSUPP;
+
+	return abp2_common_probe(&client->dev, &abp2_i2c_ops, client->irq);
+}
+
+static const struct of_device_id abp2_i2c_match[] = {
+	{ .compatible = "honeywell,abp2030pa" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, abp2_i2c_match);
+
+static const struct i2c_device_id abp2_i2c_id[] = {
+	{ "abp2030pa" },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, abp2_i2c_id);
+
+static struct i2c_driver abp2_i2c_driver = {
+	.driver = {
+		.name = "abp2030pa",
+		.of_match_table = abp2_i2c_match,
+	},
+	.probe = abp2_i2c_probe,
+	.id_table = abp2_i2c_id,
+};
+module_i2c_driver(abp2_i2c_driver);
+
+MODULE_AUTHOR("Petre Rodan <petre.rodan@subdimension.ro>");
+MODULE_DESCRIPTION("Honeywell ABP2 pressure sensor i2c driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("IIO_HONEYWELL_ABP2030PA");