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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/mfd/tps65912-spi.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mfd/tps65912-spi.c')
-rw-r--r--drivers/mfd/tps65912-spi.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/mfd/tps65912-spi.c b/drivers/mfd/tps65912-spi.c
new file mode 100644
index 0000000000..9e976f9c6b
--- /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");