diff --git a/MAINTAINERS b/MAINTAINERS
index 4cc6bf79fdd8..c0004b25b524 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9264,6 +9264,13 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
 F:	drivers/input/touchscreen/himax_hx83112b.c
 
+HIMAX HX852X TOUCHSCREEN DRIVER
+M:	Stephan Gerhold <stephan@gerhold.net>
+L:	linux-input@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/input/touchscreen/himax,hx852es.yaml
+F:	drivers/input/touchscreen/himax_hx852x.c
+
 HIPPI
 M:	Jes Sorensen <jes@trained-monkey.org>
 L:	linux-hippi@sunsite.dk
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index e3e2324547b9..8e5667ae5dab 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -427,6 +427,16 @@ config TOUCHSCREEN_HIDEEP
 	  To compile this driver as a module, choose M here : the
 	  module will be called hideep_ts.
 
+config TOUCHSCREEN_HIMAX_HX852X
+	tristate "Himax HX852x(ES) touchscreen"
+	depends on I2C
+	help
+	  Say Y here if you have a Himax HX852x(ES) touchscreen.
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called himax_hx852x.
+
 config TOUCHSCREEN_HYCON_HY46XX
 	tristate "Hycon hy46xx touchscreen support"
 	depends on I2C
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 62bd24f3ac8e..f42a87faa86c 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_TOUCHSCREEN_EXC3000)	+= exc3000.o
 obj-$(CONFIG_TOUCHSCREEN_FUJITSU)	+= fujitsu_ts.o
 obj-$(CONFIG_TOUCHSCREEN_GOODIX)	+= goodix_ts.o
 obj-$(CONFIG_TOUCHSCREEN_HIDEEP)	+= hideep.o
+obj-$(CONFIG_TOUCHSCREEN_HIMAX_HX852X)	+= himax_hx852x.o
 obj-$(CONFIG_TOUCHSCREEN_HYNITRON_CSTXXX)	+= hynitron_cstxxx.o
 obj-$(CONFIG_TOUCHSCREEN_ILI210X)	+= ili210x.o
 obj-$(CONFIG_TOUCHSCREEN_ILITEK)	+= ilitek_ts_i2c.o
diff --git a/drivers/input/touchscreen/himax_hx852x.c b/drivers/input/touchscreen/himax_hx852x.c
new file mode 100644
index 000000000000..6aa39f02829d
--- /dev/null
+++ b/drivers/input/touchscreen/himax_hx852x.c
@@ -0,0 +1,500 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Himax HX852x(ES) Touchscreen Driver
+ * Copyright (c) 2020-2023 Stephan Gerhold <stephan@gerhold.net>
+ * Copyright (c) 2020 Jonathan Albrieux <jonathan.albrieux@gmail.com>
+ *
+ * Based on the Himax Android Driver Sample Code Ver 0.3 for HMX852xES chipset:
+ * Copyright (c) 2014 Himax Corporation.
+ */
+
+#include <asm/unaligned.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/mt.h>
+#include <linux/input/touchscreen.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#define HX852X_COORD_SIZE(fingers)	((fingers) * sizeof(struct hx852x_coord))
+#define HX852X_WIDTH_SIZE(fingers)	ALIGN(fingers, 4)
+#define HX852X_BUF_SIZE(fingers)	(HX852X_COORD_SIZE(fingers) + \
+					 HX852X_WIDTH_SIZE(fingers) + \
+					 sizeof(struct hx852x_touch_info))
+
+#define HX852X_MAX_FINGERS		12
+#define HX852X_MAX_KEY_COUNT		4
+#define HX852X_MAX_BUF_SIZE		HX852X_BUF_SIZE(HX852X_MAX_FINGERS)
+
+#define HX852X_TS_SLEEP_IN		0x80
+#define HX852X_TS_SLEEP_OUT		0x81
+#define HX852X_TS_SENSE_OFF		0x82
+#define HX852X_TS_SENSE_ON		0x83
+#define HX852X_READ_ONE_EVENT		0x85
+#define HX852X_READ_ALL_EVENTS		0x86
+#define HX852X_READ_LATEST_EVENT	0x87
+#define HX852X_CLEAR_EVENT_STACK	0x88
+
+#define HX852X_REG_SRAM_SWITCH		0x8c
+#define HX852X_REG_SRAM_ADDR		0x8b
+#define HX852X_REG_FLASH_RPLACE		0x5a
+
+#define HX852X_SRAM_SWITCH_TEST_MODE	0x14
+#define HX852X_SRAM_ADDR_CONFIG		0x7000
+
+struct hx852x {
+	struct i2c_client *client;
+	struct input_dev *input_dev;
+	struct touchscreen_properties props;
+	struct gpio_desc *reset_gpiod;
+	struct regulator_bulk_data supplies[2];
+	unsigned int max_fingers;
+	unsigned int keycount;
+	unsigned int keycodes[HX852X_MAX_KEY_COUNT];
+};
+
+struct hx852x_config {
+	u8 rx_num;
+	u8 tx_num;
+	u8 max_pt;
+	u8 padding1[3];
+	__be16 x_res;
+	__be16 y_res;
+	u8 padding2[2];
+} __packed __aligned(4);
+
+struct hx852x_coord {
+	__be16 x;
+	__be16 y;
+} __packed __aligned(4);
+
+struct hx852x_touch_info {
+	u8 finger_num;
+	__le16 finger_pressed;
+	u8 padding;
+} __packed __aligned(4);
+
+static int hx852x_i2c_read(struct hx852x *hx, u8 cmd, void *data, u16 len)
+{
+	struct i2c_client *client = hx->client;
+	int ret;
+
+	struct i2c_msg msg[] = {
+		{
+			.addr = client->addr,
+			.flags = 0,
+			.len = 1,
+			.buf = &cmd,
+		},
+		{
+			.addr = client->addr,
+			.flags = I2C_M_RD,
+			.len = len,
+			.buf = data,
+		},
+	};
+
+	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+	if (ret != ARRAY_SIZE(msg)) {
+		dev_err(&client->dev, "failed to read %#x: %d\n", cmd, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int hx852x_power_on(struct hx852x *hx)
+{
+	struct device *dev = &hx->client->dev;
+	int error;
+
+	error = regulator_bulk_enable(ARRAY_SIZE(hx->supplies), hx->supplies);
+	if (error) {
+		dev_err(dev, "failed to enable regulators: %d\n", error);
+		return error;
+	}
+
+	gpiod_set_value_cansleep(hx->reset_gpiod, 1);
+	msleep(20);
+	gpiod_set_value_cansleep(hx->reset_gpiod, 0);
+	msleep(20);
+
+	return 0;
+}
+
+static int hx852x_start(struct hx852x *hx)
+{
+	struct device *dev = &hx->client->dev;
+	int error;
+
+	error = i2c_smbus_write_byte(hx->client, HX852X_TS_SLEEP_OUT);
+	if (error) {
+		dev_err(dev, "failed to send TS_SLEEP_OUT: %d\n", error);
+		return error;
+	}
+	msleep(30);
+
+	error = i2c_smbus_write_byte(hx->client, HX852X_TS_SENSE_ON);
+	if (error) {
+		dev_err(dev, "failed to send TS_SENSE_ON: %d\n", error);
+		return error;
+	}
+	msleep(20);
+
+	return 0;
+}
+
+static int hx852x_stop(struct hx852x *hx)
+{
+	struct device *dev = &hx->client->dev;
+	int error;
+
+	error = i2c_smbus_write_byte(hx->client, HX852X_TS_SENSE_OFF);
+	if (error) {
+		dev_err(dev, "failed to send TS_SENSE_OFF: %d\n", error);
+		return error;
+	}
+	msleep(20);
+
+	error = i2c_smbus_write_byte(hx->client, HX852X_TS_SLEEP_IN);
+	if (error) {
+		dev_err(dev, "failed to send TS_SLEEP_IN: %d\n", error);
+		return error;
+	}
+	msleep(30);
+
+	return 0;
+}
+
+static int hx852x_power_off(struct hx852x *hx)
+{
+	struct device *dev = &hx->client->dev;
+	int error;
+
+	error = regulator_bulk_disable(ARRAY_SIZE(hx->supplies), hx->supplies);
+	if (error) {
+		dev_err(dev, "failed to disable regulators: %d\n", error);
+		return error;
+	}
+
+	return 0;
+}
+
+static int hx852x_read_config(struct hx852x *hx)
+{
+	struct device *dev = &hx->client->dev;
+	struct hx852x_config conf;
+	int x_res, y_res;
+	int error;
+
+	error = hx852x_power_on(hx);
+	if (error)
+		return error;
+
+	/* Sensing must be turned on briefly to load the config */
+	error = hx852x_start(hx);
+	if (error)
+		goto err_power_off;
+
+	error = hx852x_stop(hx);
+	if (error)
+		goto err_power_off;
+
+	error = i2c_smbus_write_byte_data(hx->client, HX852X_REG_SRAM_SWITCH,
+					  HX852X_SRAM_SWITCH_TEST_MODE);
+	if (error)
+		goto err_power_off;
+
+	error = i2c_smbus_write_word_data(hx->client, HX852X_REG_SRAM_ADDR,
+					  HX852X_SRAM_ADDR_CONFIG);
+	if (error)
+		goto err_test_mode;
+
+	error = hx852x_i2c_read(hx, HX852X_REG_FLASH_RPLACE, &conf, sizeof(conf));
+	if (error)
+		goto err_test_mode;
+
+	x_res = be16_to_cpu(conf.x_res);
+	y_res = be16_to_cpu(conf.y_res);
+	hx->max_fingers = (conf.max_pt & 0xf0) >> 4;
+	dev_dbg(dev, "x res: %u, y res: %u, max fingers: %u\n",
+		x_res, y_res, hx->max_fingers);
+
+	if (hx->max_fingers > HX852X_MAX_FINGERS) {
+		dev_err(dev, "max supported fingers: %u, found: %u\n",
+			HX852X_MAX_FINGERS, hx->max_fingers);
+		error = -EINVAL;
+		goto err_test_mode;
+	}
+
+	if (x_res && y_res) {
+		input_set_abs_params(hx->input_dev, ABS_MT_POSITION_X, 0, x_res - 1, 0, 0);
+		input_set_abs_params(hx->input_dev, ABS_MT_POSITION_Y, 0, y_res - 1, 0, 0);
+	}
+
+err_test_mode:
+	error = i2c_smbus_write_byte_data(hx->client, HX852X_REG_SRAM_SWITCH, 0) ? : error;
+err_power_off:
+	return hx852x_power_off(hx) ? : error;
+}
+
+static int hx852x_handle_events(struct hx852x *hx)
+{
+	/*
+	 * The event packets have variable size, depending on the amount of
+	 * supported fingers (hx->max_fingers). They are laid out as follows:
+	 *  - struct hx852x_coord[hx->max_fingers]: Coordinates for each finger
+	 *  - u8[ALIGN(hx->max_fingers, 4)]: Touch width for each finger
+	 *      with padding for 32-bit alignment
+	 *  - struct hx852x_touch_info
+	 *
+	 * Load everything into a 32-bit aligned buffer so the coordinates
+	 * can be assigned directly, without using get_unaligned_*().
+	 */
+	u8 buf[HX852X_MAX_BUF_SIZE] __aligned(4);
+	struct hx852x_coord *coord = (struct hx852x_coord *)buf;
+	u8 *width = &buf[HX852X_COORD_SIZE(hx->max_fingers)];
+	struct hx852x_touch_info *info = (struct hx852x_touch_info *)
+		&width[HX852X_WIDTH_SIZE(hx->max_fingers)];
+	unsigned long finger_pressed, key_pressed;
+	unsigned int i, x, y, w;
+	int error;
+
+	error = hx852x_i2c_read(hx, HX852X_READ_ALL_EVENTS, buf,
+				HX852X_BUF_SIZE(hx->max_fingers));
+	if (error)
+		return error;
+
+	finger_pressed = get_unaligned_le16(&info->finger_pressed);
+	key_pressed = finger_pressed >> HX852X_MAX_FINGERS;
+
+	/* All bits are set when no touch is detected */
+	if (info->finger_num == 0xff || !(info->finger_num & 0x0f))
+		finger_pressed = 0;
+	if (key_pressed == 0xf)
+		key_pressed = 0;
+
+	for_each_set_bit(i, &finger_pressed, hx->max_fingers) {
+		x = be16_to_cpu(coord[i].x);
+		y = be16_to_cpu(coord[i].y);
+		w = width[i];
+
+		input_mt_slot(hx->input_dev, i);
+		input_mt_report_slot_state(hx->input_dev, MT_TOOL_FINGER, 1);
+		touchscreen_report_pos(hx->input_dev, &hx->props, x, y, true);
+		input_report_abs(hx->input_dev, ABS_MT_TOUCH_MAJOR, w);
+	}
+	input_mt_sync_frame(hx->input_dev);
+
+	for (i = 0; i < hx->keycount; i++)
+		input_report_key(hx->input_dev, hx->keycodes[i], key_pressed & BIT(i));
+
+	input_sync(hx->input_dev);
+	return 0;
+}
+
+static irqreturn_t hx852x_interrupt(int irq, void *ptr)
+{
+	struct hx852x *hx = ptr;
+	int error;
+
+	error = hx852x_handle_events(hx);
+	if (error) {
+		dev_err_ratelimited(&hx->client->dev, "failed to handle events: %d\n", error);
+		return IRQ_NONE;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int hx852x_input_open(struct input_dev *dev)
+{
+	struct hx852x *hx = input_get_drvdata(dev);
+	int error;
+
+	error = hx852x_power_on(hx);
+	if (error)
+		return error;
+
+	error = hx852x_start(hx);
+	if (error) {
+		hx852x_power_off(hx);
+		return error;
+	}
+
+	enable_irq(hx->client->irq);
+	return 0;
+}
+
+static void hx852x_input_close(struct input_dev *dev)
+{
+	struct hx852x *hx = input_get_drvdata(dev);
+
+	hx852x_stop(hx);
+	disable_irq(hx->client->irq);
+	hx852x_power_off(hx);
+}
+
+static int hx852x_parse_properties(struct hx852x *hx)
+{
+	struct device *dev = &hx->client->dev;
+	int error, count;
+
+	count = device_property_count_u32(dev, "linux,keycodes");
+	if (count == -EINVAL) {
+		/* Property does not exist, keycodes are optional */
+		return 0;
+	} else if (count < 0) {
+		dev_err(dev, "Failed to read linux,keycodes: %d\n", count);
+		return count;
+	} else if (count > HX852X_MAX_KEY_COUNT) {
+		dev_err(dev, "max supported keys: %u, found: %u\n",
+			HX852X_MAX_KEY_COUNT, hx->keycount);
+		return -EINVAL;
+	}
+	hx->keycount = count;
+
+	error = device_property_read_u32_array(dev, "linux,keycodes",
+					       hx->keycodes, hx->keycount);
+	if (error) {
+		dev_err(dev, "failed to read linux,keycodes: %d\n", error);
+		return error;
+	}
+
+	return 0;
+}
+
+static int hx852x_probe(struct i2c_client *client)
+{
+	struct device *dev = &client->dev;
+	struct hx852x *hx;
+	int error, i;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C |
+				     I2C_FUNC_SMBUS_WRITE_BYTE |
+				     I2C_FUNC_SMBUS_WRITE_BYTE_DATA |
+				     I2C_FUNC_SMBUS_WRITE_WORD_DATA)) {
+		dev_err(dev, "not all required i2c functionality supported\n");
+		return -ENXIO;
+	}
+
+	hx = devm_kzalloc(dev, sizeof(*hx), GFP_KERNEL);
+	if (!hx)
+		return -ENOMEM;
+
+	hx->client = client;
+	hx->input_dev = devm_input_allocate_device(dev);
+	if (!hx->input_dev)
+		return -ENOMEM;
+
+	hx->input_dev->name = "Himax HX852x";
+	hx->input_dev->id.bustype = BUS_I2C;
+	hx->input_dev->open = hx852x_input_open;
+	hx->input_dev->close = hx852x_input_close;
+
+	i2c_set_clientdata(client, hx);
+	input_set_drvdata(hx->input_dev, hx);
+
+	hx->supplies[0].supply = "vcca";
+	hx->supplies[1].supply = "vccd";
+	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(hx->supplies), hx->supplies);
+	if (error)
+		return dev_err_probe(dev, error, "failed to get regulators\n");
+
+	hx->reset_gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(hx->reset_gpiod))
+		return dev_err_probe(dev, PTR_ERR(hx->reset_gpiod),
+				     "failed to get reset gpio\n");
+
+	error = devm_request_threaded_irq(dev, client->irq, NULL, hx852x_interrupt,
+					  IRQF_ONESHOT | IRQF_NO_AUTOEN, NULL, hx);
+	if (error)
+		return dev_err_probe(dev, error, "failed to request irq %d", client->irq);
+
+	error = hx852x_read_config(hx);
+	if (error)
+		return error;
+
+	input_set_capability(hx->input_dev, EV_ABS, ABS_MT_POSITION_X);
+	input_set_capability(hx->input_dev, EV_ABS, ABS_MT_POSITION_Y);
+	input_set_abs_params(hx->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
+
+	touchscreen_parse_properties(hx->input_dev, true, &hx->props);
+	error = hx852x_parse_properties(hx);
+	if (error)
+		return error;
+
+	hx->input_dev->keycode = hx->keycodes;
+	hx->input_dev->keycodemax = hx->keycount;
+	hx->input_dev->keycodesize = sizeof(hx->keycodes[0]);
+	for (i = 0; i < hx->keycount; i++)
+		input_set_capability(hx->input_dev, EV_KEY, hx->keycodes[i]);
+
+	error = input_mt_init_slots(hx->input_dev, hx->max_fingers,
+				    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);
+	if (error)
+		return dev_err_probe(dev, error, "failed to init MT slots\n");
+
+	error = input_register_device(hx->input_dev);
+	if (error)
+		return dev_err_probe(dev, error, "failed to register input device\n");
+
+	return 0;
+}
+
+static int hx852x_suspend(struct device *dev)
+{
+	struct hx852x *hx = dev_get_drvdata(dev);
+	int error = 0;
+
+	mutex_lock(&hx->input_dev->mutex);
+	if (input_device_enabled(hx->input_dev))
+		error = hx852x_stop(hx);
+	mutex_unlock(&hx->input_dev->mutex);
+
+	return error;
+}
+
+static int hx852x_resume(struct device *dev)
+{
+	struct hx852x *hx = dev_get_drvdata(dev);
+	int error = 0;
+
+	mutex_lock(&hx->input_dev->mutex);
+	if (input_device_enabled(hx->input_dev))
+		error = hx852x_start(hx);
+	mutex_unlock(&hx->input_dev->mutex);
+
+	return error;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(hx852x_pm_ops, hx852x_suspend, hx852x_resume);
+
+#ifdef CONFIG_OF
+static const struct of_device_id hx852x_of_match[] = {
+	{ .compatible = "himax,hx852es" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, hx852x_of_match);
+#endif
+
+static struct i2c_driver hx852x_driver = {
+	.probe = hx852x_probe,
+	.driver = {
+		.name = "himax_hx852x",
+		.pm = pm_sleep_ptr(&hx852x_pm_ops),
+		.of_match_table = of_match_ptr(hx852x_of_match),
+	},
+};
+module_i2c_driver(hx852x_driver);
+
+MODULE_DESCRIPTION("Himax HX852x(ES) Touchscreen Driver");
+MODULE_AUTHOR("Jonathan Albrieux <jonathan.albrieux@gmail.com>");
+MODULE_AUTHOR("Stephan Gerhold <stephan@gerhold.net>");
+MODULE_LICENSE("GPL");
