Adding upstream version 6.8.9.upstream/6.8.9

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/drivers/iio/pressure/hsc030pa_spi.c b/drivers/iio/pressure/hsc030pa_spi.c
new file mode 100644
index 0000000000..a719bade83
--- /dev/null
+++ b/drivers/iio/pressure/hsc030pa_spi.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Honeywell TruStability HSC Series pressure/temperature sensor
+ *
+ * Copyright (c) 2023 Petre Rodan <petre.rodan@subdimension.ro>
+ *
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf
+ */
+
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/stddef.h>
+
+#include <linux/iio/iio.h>
+
+#include "hsc030pa.h"
+
+static int hsc_spi_recv(struct hsc_data *data)
+{
+	struct spi_device *spi = to_spi_device(data->dev);
+	struct spi_transfer xfer = {
+		.tx_buf = NULL,
+		.rx_buf = data->buffer,
+		.len = HSC_REG_MEASUREMENT_RD_SIZE,
+	};
+
+	return spi_sync_transfer(spi, &xfer, 1);
+}
+
+static int hsc_spi_probe(struct spi_device *spi)
+{
+	return hsc_common_probe(&spi->dev, hsc_spi_recv);
+}
+
+static const struct of_device_id hsc_spi_match[] = {
+	{ .compatible = "honeywell,hsc030pa" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, hsc_spi_match);
+
+static const struct spi_device_id hsc_spi_id[] = {
+	{ "hsc030pa" },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, hsc_spi_id);
+
+static struct spi_driver hsc_spi_driver = {
+	.driver = {
+		.name = "hsc030pa",
+		.of_match_table = hsc_spi_match,
+	},
+	.probe = hsc_spi_probe,
+	.id_table = hsc_spi_id,
+};
+module_spi_driver(hsc_spi_driver);
+
+MODULE_AUTHOR("Petre Rodan <petre.rodan@subdimension.ro>");
+MODULE_DESCRIPTION("Honeywell HSC and SSC pressure sensor spi driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HONEYWELL_HSC030PA);