From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/mfd/tps65912-spi.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 drivers/mfd/tps65912-spi.c

(limited to 'drivers/mfd/tps65912-spi.c')

diff --git a/drivers/mfd/tps65912-spi.c b/drivers/mfd/tps65912-spi.c
new file mode 100644
index 000000000..9e976f9c6
--- /dev/null
+++ b/drivers/mfd/tps65912-spi.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * SPI access driver for TI TPS65912x PMICs
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
+ *	Andrew F. Davis <afd@ti.com>
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
+ */
+
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include <linux/mfd/tps65912.h>
+
+static const struct of_device_id tps65912_spi_of_match_table[] = {
+	{ .compatible = "ti,tps65912", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, tps65912_spi_of_match_table);
+
+static int tps65912_spi_probe(struct spi_device *spi)
+{
+	struct tps65912 *tps;
+
+	tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL);
+	if (!tps)
+		return -ENOMEM;
+
+	spi_set_drvdata(spi, tps);
+	tps->dev = &spi->dev;
+	tps->irq = spi->irq;
+
+	tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config);
+	if (IS_ERR(tps->regmap)) {
+		dev_err(tps->dev, "Failed to initialize register map\n");
+		return PTR_ERR(tps->regmap);
+	}
+
+	return tps65912_device_init(tps);
+}
+
+static void tps65912_spi_remove(struct spi_device *spi)
+{
+	struct tps65912 *tps = spi_get_drvdata(spi);
+
+	tps65912_device_exit(tps);
+}
+
+static const struct spi_device_id tps65912_spi_id_table[] = {
+	{ "tps65912", 0 },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table);
+
+static struct spi_driver tps65912_spi_driver = {
+	.driver		= {
+		.name	= "tps65912",
+		.of_match_table = tps65912_spi_of_match_table,
+	},
+	.probe		= tps65912_spi_probe,
+	.remove		= tps65912_spi_remove,
+	.id_table       = tps65912_spi_id_table,
+};
+module_spi_driver(tps65912_spi_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
+MODULE_DESCRIPTION("TPS65912x SPI Interface Driver");
+MODULE_LICENSE("GPL v2");
-- 
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