diff --git a/linux_gpio_spi.c b/linux_gpio_spi.c
new file mode 100644
index 0000000..0103d19
--- /dev/null
+++ b/linux_gpio_spi.c
@@ -0,0 +1,183 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2023 Steve Markgraf <steve@steve-m.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+#include <gpiod.h>
+#include "programmer.h"
+#include "spi.h"
+#include "flash.h"
+
+#define CONSUMER "flashrom"
+
+struct linux_gpio_spi {
+	struct gpiod_chip *chip;
+	struct gpiod_line_bulk bulk;
+	struct gpiod_line *cs_line, *sck_line, *mosi_line, *miso_line;
+};
+
+static void linux_gpio_spi_bitbang_set_cs(int val, void *spi_data)
+{
+	struct linux_gpio_spi *data = spi_data;
+	if (gpiod_line_set_value(data->cs_line, val) < 0)
+		msg_perr("Setting cs line failed\n");
+}
+
+static void linux_gpio_spi_bitbang_set_sck(int val, void *spi_data)
+{
+	struct linux_gpio_spi *data = spi_data;
+	if (gpiod_line_set_value(data->sck_line, val) < 0)
+		msg_perr("Setting sck line failed\n");
+}
+
+static void linux_gpio_spi_bitbang_set_mosi(int val, void *spi_data)
+{
+	struct linux_gpio_spi *data = spi_data;
+	if (gpiod_line_set_value(data->mosi_line, val) < 0)
+		msg_perr("Setting sck line failed\n");
+}
+
+static int linux_gpio_spi_bitbang_get_miso(void *spi_data)
+{
+	struct linux_gpio_spi *data = spi_data;
+	int r = gpiod_line_get_value(data->miso_line);
+	if (r < 0)
+		msg_perr("Getting miso line failed\n");
+	return r;
+}
+
+static const struct bitbang_spi_master bitbang_spi_master_gpiod = {
+	.set_cs		= linux_gpio_spi_bitbang_set_cs,
+	.set_sck	= linux_gpio_spi_bitbang_set_sck,
+	.set_mosi	= linux_gpio_spi_bitbang_set_mosi,
+	.get_miso	= linux_gpio_spi_bitbang_get_miso,
+};
+
+static int linux_gpio_spi_shutdown(void *spi_data)
+{
+	struct linux_gpio_spi *data = spi_data;
+
+	if (gpiod_line_bulk_num_lines(&data->bulk) > 0)
+		gpiod_line_release_bulk(&data->bulk);
+
+	if (data->chip)
+		gpiod_chip_close(data->chip);
+
+	free(data);
+
+	return 0;
+}
+
+static int linux_gpio_spi_init(void)
+{
+	struct linux_gpio_spi *data = NULL;
+	struct gpiod_chip *chip = NULL;
+	const char *param_str[] = { "cs", "sck", "mosi", "miso", "gpiochip" };
+	const bool param_required[] = { true, true, true, true, false };
+	unsigned int param_int[ARRAY_SIZE(param_str)];
+	unsigned int i;
+	int r;
+
+	data = calloc(1, sizeof(*data));
+	if (!data) {
+		msg_perr("Unable to allocate space for SPI master data\n");
+		return 1;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(param_str); i++) {
+		char *param = extract_programmer_param(param_str[i]);
+		char *endptr;
+		r = 1;
+
+		if (param) {
+			errno = 0;
+			param_int[i] = strtoul(param, &endptr, 10);
+			r = (*endptr != '\0') || (errno != 0);
+			free(param);
+		} else {
+			param_int[i] = UINT_MAX;
+		}
+
+		if ((param_required[i] || param) && r) {
+			msg_perr("Missing or invalid required programmer "
+				 "parameter %s=<n>\n", param_str[i]);
+			goto err_exit;
+		}
+	}
+
+	char *const dev = extract_programmer_param("dev");
+	if (!dev && param_int[4] == UINT_MAX) {
+		msg_perr("Either a 'dev' or 'gpiochip' parameter must be specified.\n");
+		goto err_exit;
+	}
+	if (dev && param_int[4] != UINT_MAX) {
+		msg_perr("Only one of 'dev' or 'gpiochip' parameters can be specified.\n");
+		free(dev);
+		goto err_exit;
+	}
+
+	if (dev) {
+		chip = gpiod_chip_open(dev);
+		free(dev);
+	} else {
+		chip = gpiod_chip_open_by_number(param_int[4]);
+	}
+	if (!chip) {
+		msg_perr("Failed to open gpiochip: %s\n", strerror(errno));
+		goto err_exit;
+	}
+
+	data->chip = chip;
+
+	if (gpiod_chip_get_lines(chip, param_int, 4, &data->bulk)) {
+		msg_perr("Error getting GPIO lines\n");
+		goto err_exit;
+	}
+
+	data->cs_line = gpiod_line_bulk_get_line(&data->bulk, 0);
+	data->sck_line = gpiod_line_bulk_get_line(&data->bulk, 1);
+	data->mosi_line = gpiod_line_bulk_get_line(&data->bulk, 2);
+	data->miso_line = gpiod_line_bulk_get_line(&data->bulk, 3);
+
+	r = gpiod_line_request_output(data->cs_line, CONSUMER, 1);
+	r |= gpiod_line_request_output(data->sck_line, CONSUMER, 1);
+	r |= gpiod_line_request_output(data->mosi_line, CONSUMER, 1);
+	r |= gpiod_line_request_input(data->miso_line, CONSUMER);
+
+	if (r < 0) {
+		msg_perr("Requesting GPIO lines failed\n");
+		goto err_exit;
+	}
+
+	if (register_shutdown(linux_gpio_spi_shutdown, data))
+		goto err_exit;
+
+	/* shutdown function does the cleanup */
+	return register_spi_bitbang_master(&bitbang_spi_master_gpiod, data);
+
+err_exit:
+	linux_gpio_spi_shutdown(data);
+	return 1;
+}
+
+const struct programmer_entry programmer_linux_gpio_spi = {
+	.name		= "linux_gpio_spi",
+	.type		= OTHER,
+	.devs.note	= "Device file /dev/gpiochip<n>\n",
+	.init		= linux_gpio_spi_init,
+};