1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sitronix/st7571-spi.c b/drivers/gpu/drm/sitronix/st7571-spi.c
new file mode 100644
index 000000000000..0206e9162f1c
--- /dev/null
+++ b/drivers/gpu/drm/sitronix/st7571-spi.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for Sitronix ST7571 connected via SPI bus.
+ *
+ * Copyright (C) 2025 Marcus Folkesson <marcus.folkesson@gmail.com>
+ */
+
+#include <linux/spi/spi.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include "st7571.h"
+
+static const struct regmap_config st7571_spi_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.can_multi_write = true,
+};
+
+static int st7571_spi_probe(struct spi_device *spi)
+{
+	struct st7571_device *st7571;
+	struct regmap *regmap;
+
+	regmap = devm_regmap_init_spi(spi, &st7571_spi_regmap_config);
+	if (IS_ERR(regmap)) {
+		return dev_err_probe(&spi->dev, PTR_ERR(regmap),
+				     "Failed to initialize regmap\n");
+	}
+
+	st7571 = st7571_probe(&spi->dev, regmap);
+	if (IS_ERR(st7571))
+		return dev_err_probe(&spi->dev, PTR_ERR(st7571),
+				     "Failed to initialize regmap\n");
+
+	spi_set_drvdata(spi, st7571);
+	return 0;
+}
+
+static void st7571_spi_remove(struct spi_device *spi)
+{
+	struct st7571_device *st7571 = spi_get_drvdata(spi);
+
+	st7571_remove(st7571);
+}
+
+static const struct of_device_id st7571_of_match[] = {
+	{ .compatible = "sitronix,st7567", .data = &st7567_config },
+	{ .compatible = "sitronix,st7571", .data = &st7571_config },
+	{},
+};
+MODULE_DEVICE_TABLE(of, st7571_of_match);
+
+static const struct spi_device_id st7571_spi_id[] = {
+	{ "st7567", 0 },
+	{ "st7571", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, st7571_spi_id);
+
+static struct spi_driver st7571_spi_driver = {
+	.driver = {
+		.name = "st7571-spi",
+		.of_match_table = st7571_of_match,
+	},
+	.probe = st7571_spi_probe,
+	.remove = st7571_spi_remove,
+	.id_table = st7571_spi_id,
+};
+
+module_spi_driver(st7571_spi_driver);
+
+MODULE_AUTHOR("Marcus Folkesson <marcus.folkesson@gmail.com>");
+MODULE_DESCRIPTION("DRM Driver for Sitronix ST7571 LCD controller (SPI)");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("DRM_ST7571");