diff --git a/drivers/media/platform/renesas/vsp1/Makefile b/drivers/media/platform/renesas/vsp1/Makefile
index de8c802e1d1a..2057c8f7be47 100644
--- a/drivers/media/platform/renesas/vsp1/Makefile
+++ b/drivers/media/platform/renesas/vsp1/Makefile
@@ -6,5 +6,6 @@ vsp1-y					+= vsp1_clu.o vsp1_hsit.o vsp1_lut.o
 vsp1-y					+= vsp1_brx.o vsp1_sru.o vsp1_uds.o
 vsp1-y					+= vsp1_hgo.o vsp1_hgt.o vsp1_histo.o
 vsp1-y					+= vsp1_iif.o vsp1_lif.o vsp1_uif.o
+vsp1-y					+= vsp1_vspx.o
 
 obj-$(CONFIG_VIDEO_RENESAS_VSP1)	+= vsp1.o
diff --git a/drivers/media/platform/renesas/vsp1/vsp1.h b/drivers/media/platform/renesas/vsp1/vsp1.h
index 263024639dd2..1872e403f26b 100644
--- a/drivers/media/platform/renesas/vsp1/vsp1.h
+++ b/drivers/media/platform/renesas/vsp1/vsp1.h
@@ -110,6 +110,7 @@ struct vsp1_device {
 	struct media_entity_operations media_ops;
 
 	struct vsp1_drm *drm;
+	struct vsp1_vspx *vspx;
 };
 
 int vsp1_device_get(struct vsp1_device *vsp1);
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drv.c b/drivers/media/platform/renesas/vsp1/vsp1_drv.c
index d13e9b31aa7c..e338ab8af292 100644
--- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c
@@ -38,6 +38,7 @@
 #include "vsp1_uds.h"
 #include "vsp1_uif.h"
 #include "vsp1_video.h"
+#include "vsp1_vspx.h"
 
 /* -----------------------------------------------------------------------------
  * Interrupt Handling
@@ -488,7 +489,10 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
 
 		ret = media_device_register(mdev);
 	} else {
-		ret = vsp1_drm_init(vsp1);
+		if (vsp1->info->version == VI6_IP_VERSION_MODEL_VSPX_GEN4)
+			ret = vsp1_vspx_init(vsp1);
+		else
+			ret = vsp1_drm_init(vsp1);
 	}
 
 done:
@@ -846,6 +850,13 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uif_count = 2,
 		.wpf_count = 1,
 		.num_bru_inputs = 5,
+	}, {
+		.version = VI6_IP_VERSION_MODEL_VSPX_GEN4,
+		.model = "VSP2-X",
+		.gen = 4,
+		.features = VSP1_HAS_IIF,
+		.rpf_count = 2,
+		.wpf_count = 1,
 	},
 };
 
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_regs.h b/drivers/media/platform/renesas/vsp1/vsp1_regs.h
index 86e47c2d991f..10cfbcd1b6e0 100644
--- a/drivers/media/platform/renesas/vsp1/vsp1_regs.h
+++ b/drivers/media/platform/renesas/vsp1/vsp1_regs.h
@@ -799,6 +799,7 @@
 #define VI6_IP_VERSION_MODEL_VSPDL_GEN3	(0x19 << 8)
 #define VI6_IP_VERSION_MODEL_VSPBS_GEN3	(0x1a << 8)
 #define VI6_IP_VERSION_MODEL_VSPD_GEN4	(0x1c << 8)
+#define VI6_IP_VERSION_MODEL_VSPX_GEN4	(0x1d << 8)
 /* RZ/G2L SoCs have no version register, So use 0x80 as the model version */
 #define VI6_IP_VERSION_MODEL_VSPD_RZG2L	(0x80 << 8)
 
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_vspx.c b/drivers/media/platform/renesas/vsp1/vsp1_vspx.c
new file mode 100644
index 000000000000..7c6a0d8fffd8
--- /dev/null
+++ b/drivers/media/platform/renesas/vsp1/vsp1_vspx.c
@@ -0,0 +1,567 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * vsp1_vspx.c  --  R-Car Gen 4 VSPX
+ *
+ * Copyright (C) 2025 Ideas On Board Oy
+ * Copyright (C) 2025 Renesas Electronics Corporation
+ */
+
+#include "vsp1_vspx.h"
+
+#include <linux/cleanup.h>
+#include <linux/container_of.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <media/media-entity.h>
+#include <media/v4l2-subdev.h>
+#include <media/vsp1.h>
+
+#include "vsp1_dl.h"
+#include "vsp1_iif.h"
+#include "vsp1_pipe.h"
+#include "vsp1_rwpf.h"
+
+/*
+ * struct vsp1_vspx_pipeline - VSPX pipeline
+ * @pipe: the VSP1 pipeline
+ * @partition: the pre-calculated partition used by the pipeline
+ * @lock: protect access to the VSPX configuration
+ * @enabled: the enable flag
+ * @vspx_frame_end: frame end callback
+ * @frame_end_data: data for the frame end callback
+ */
+struct vsp1_vspx_pipeline {
+	struct vsp1_pipeline pipe;
+	struct vsp1_partition partition;
+
+	/* Protects the pipeline configuration */
+	spinlock_t lock;
+	bool enabled;
+
+	void (*vspx_frame_end)(void *frame_end_data);
+	void *frame_end_data;
+};
+
+static inline struct vsp1_vspx_pipeline *
+to_vsp1_vspx_pipeline(struct vsp1_pipeline *pipe)
+{
+	return container_of(pipe, struct vsp1_vspx_pipeline, pipe);
+}
+
+/*
+ * struct vsp1_vspx - VSPX device
+ * @vsp1: the VSP1 device
+ * @pipe: the VSPX pipeline
+ */
+struct vsp1_vspx {
+	struct vsp1_device *vsp1;
+	struct vsp1_vspx_pipeline pipe;
+};
+
+/* Apply the given width, height and fourcc to the RWPF's subdevice */
+static int vsp1_vspx_rwpf_set_subdev_fmt(struct vsp1_device *vsp1,
+					 struct vsp1_rwpf *rwpf,
+					 u32 isp_fourcc,
+					 unsigned int width,
+					 unsigned int height)
+{
+	struct vsp1_entity *ent = &rwpf->entity;
+	struct v4l2_subdev_format format = {};
+	u32 vspx_fourcc;
+
+	switch (isp_fourcc) {
+	case V4L2_PIX_FMT_GREY:
+		/* 8 bit RAW Bayer image. */
+		vspx_fourcc = V4L2_PIX_FMT_RGB332;
+		break;
+	case V4L2_PIX_FMT_Y10:
+	case V4L2_PIX_FMT_Y12:
+	case V4L2_PIX_FMT_Y16:
+		/* 10, 12 and 16 bit RAW Bayer image. */
+		vspx_fourcc = V4L2_PIX_FMT_RGB565;
+		break;
+	case V4L2_META_FMT_GENERIC_8:
+		/* ConfigDMA parameters buffer. */
+		vspx_fourcc = V4L2_PIX_FMT_XBGR32;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	rwpf->fmtinfo = vsp1_get_format_info(vsp1, vspx_fourcc);
+
+	format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+	format.pad = RWPF_PAD_SINK;
+	format.format.width = width;
+	format.format.height = height;
+	format.format.field = V4L2_FIELD_NONE;
+	format.format.code = rwpf->fmtinfo->mbus;
+
+	return v4l2_subdev_call(&ent->subdev, pad, set_fmt, NULL, &format);
+}
+
+/* Configure the RPF->IIF->WPF pipeline for ConfigDMA or RAW image transfer. */
+static int vsp1_vspx_pipeline_configure(struct vsp1_device *vsp1,
+					dma_addr_t addr, u32 isp_fourcc,
+					unsigned int width, unsigned int height,
+					unsigned int stride,
+					unsigned int iif_sink_pad,
+					struct vsp1_dl_list *dl,
+					struct vsp1_dl_body *dlb)
+{
+	struct vsp1_vspx_pipeline *vspx_pipe = &vsp1->vspx->pipe;
+	struct vsp1_pipeline *pipe = &vspx_pipe->pipe;
+	struct vsp1_rwpf *rpf0 = pipe->inputs[0];
+	int ret;
+
+	ret = vsp1_vspx_rwpf_set_subdev_fmt(vsp1, rpf0, isp_fourcc, width,
+					    height);
+	if (ret)
+		return ret;
+
+	ret = vsp1_vspx_rwpf_set_subdev_fmt(vsp1, pipe->output, isp_fourcc,
+					    width, height);
+	if (ret)
+		return ret;
+
+	vsp1_pipeline_calculate_partition(pipe, &pipe->part_table[0],
+					  width, 0);
+
+	pipe->part_table[0].rpf[0].width = width;
+	pipe->part_table[0].rpf[0].height = height;
+	rpf0->format.plane_fmt[0].bytesperline = stride;
+	rpf0->format.num_planes = 1;
+	rpf0->mem.addr[0] = addr;
+
+	/*
+	 * Connect RPF0 to the IIF sink pad corresponding to the config or image
+	 * path.
+	 */
+	rpf0->entity.sink_pad = iif_sink_pad;
+
+	vsp1_entity_route_setup(&rpf0->entity, pipe, dlb);
+	vsp1_entity_configure_stream(&rpf0->entity, rpf0->entity.state, pipe,
+				     dl, dlb);
+	vsp1_entity_configure_partition(&rpf0->entity, pipe,
+					&pipe->part_table[0], dl, dlb);
+
+	return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Interrupt handling
+ */
+
+static void vsp1_vspx_pipeline_frame_end(struct vsp1_pipeline *pipe,
+					 unsigned int completion)
+{
+	struct vsp1_vspx_pipeline *vspx_pipe = to_vsp1_vspx_pipeline(pipe);
+
+	if (vspx_pipe->vspx_frame_end)
+		vspx_pipe->vspx_frame_end(vspx_pipe->frame_end_data);
+}
+
+/* -----------------------------------------------------------------------------
+ * ISP Driver API (include/media/vsp1.h)
+ */
+
+/**
+ * vsp1_isp_init() - Initialize the VSPX
+ * @dev: The VSP1 struct device
+ *
+ * Return: %0 on success or a negative error code on failure
+ */
+int vsp1_isp_init(struct device *dev)
+{
+	struct vsp1_device *vsp1 = dev_get_drvdata(dev);
+
+	if (!vsp1)
+		return -EPROBE_DEFER;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_init);
+
+/**
+ * vsp1_isp_get_bus_master - Get VSPX bus master
+ * @dev: The VSP1 struct device
+ *
+ * The VSPX accesses memory through an FCPX instance. When allocating memory
+ * buffers that will have to be accessed by the VSPX the 'struct device' of
+ * the FCPX should be used. Use this function to get a reference to it.
+ *
+ * Return: a pointer to the bus master's device
+ */
+struct device *vsp1_isp_get_bus_master(struct device *dev)
+{
+	struct vsp1_device *vsp1 = dev_get_drvdata(dev);
+
+	if (!vsp1)
+		return ERR_PTR(-ENODEV);
+
+	return vsp1->bus_master;
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_get_bus_master);
+
+/**
+ * vsp1_isp_alloc_buffer - Allocate a buffer in the VSPX address space
+ * @dev: The VSP1 struct device
+ * @size: The size of the buffer to be allocated by the VSPX
+ * @buffer_desc: The buffer descriptor. Will be filled with the buffer
+ *		 CPU-mapped address, the bus address and the size of the
+ *		 allocated buffer
+ *
+ * Allocate a buffer that will be later accessed by the VSPX. Buffers allocated
+ * using vsp1_isp_alloc_buffer() shall be released with a call to
+ * vsp1_isp_free_buffer(). This function is used by the ISP driver to allocate
+ * memory for the ConfigDMA parameters buffer.
+ *
+ * Return: %0 on success or a negative error code on failure
+ */
+int vsp1_isp_alloc_buffer(struct device *dev, size_t size,
+			  struct vsp1_isp_buffer_desc *buffer_desc)
+{
+	struct device *bus_master = vsp1_isp_get_bus_master(dev);
+
+	if (IS_ERR_OR_NULL(bus_master))
+		return -ENODEV;
+
+	buffer_desc->cpu_addr = dma_alloc_coherent(bus_master, size,
+						   &buffer_desc->dma_addr,
+						   GFP_KERNEL);
+	if (!buffer_desc->cpu_addr)
+		return -ENOMEM;
+
+	buffer_desc->size = size;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_alloc_buffer);
+
+/**
+ * vsp1_isp_free_buffer - Release a buffer allocated by vsp1_isp_alloc_buffer()
+ * @dev: The VSP1 struct device
+ * @buffer_desc: The descriptor of the buffer to release as returned by
+ *		 vsp1_isp_alloc_buffer()
+ *
+ * Release memory in the VSPX address space allocated by
+ * vsp1_isp_alloc_buffer().
+ */
+void vsp1_isp_free_buffer(struct device *dev,
+			  struct vsp1_isp_buffer_desc *buffer_desc)
+{
+	struct device *bus_master = vsp1_isp_get_bus_master(dev);
+
+	if (IS_ERR_OR_NULL(bus_master))
+		return;
+
+	dma_free_coherent(bus_master, buffer_desc->size, buffer_desc->cpu_addr,
+			  buffer_desc->dma_addr);
+}
+
+/**
+ * vsp1_isp_start_streaming - Start processing VSPX jobs
+ * @dev: The VSP1 struct device
+ * @frame_end: The frame end callback description
+ *
+ * Start the VSPX and prepare for accepting buffer transfer job requests.
+ *
+ * Return: %0 on success or a negative error code on failure
+ */
+int vsp1_isp_start_streaming(struct device *dev,
+			     struct vsp1_vspx_frame_end *frame_end)
+{
+	struct vsp1_device *vsp1 = dev_get_drvdata(dev);
+	struct vsp1_vspx_pipeline *vspx_pipe = &vsp1->vspx->pipe;
+	struct vsp1_pipeline *pipe = &vspx_pipe->pipe;
+	u32 value;
+	int ret;
+
+	if (!frame_end)
+		return -EINVAL;
+
+	scoped_guard(spinlock_irqsave, &vspx_pipe->lock) {
+
+		if (vspx_pipe->enabled)
+			return -EBUSY;
+
+		vspx_pipe->vspx_frame_end = frame_end->vspx_frame_end;
+		vspx_pipe->frame_end_data = frame_end->frame_end_data;
+		vspx_pipe->enabled = true;
+	}
+
+	/* Enable the VSP1 and prepare for streaming. */
+	vsp1_pipeline_dump(pipe, "VSPX job");
+
+	ret = vsp1_device_get(vsp1);
+	if (ret < 0)
+		goto error_disable;
+
+	/*
+	 * Make sure VSPX is not active. This should never happen in normal
+	 * usage
+	 */
+	value = vsp1_read(vsp1, VI6_CMD(0));
+	if (value & VI6_CMD_STRCMD) {
+		dev_err(vsp1->dev,
+			"%s: Starting of WPF0 already reserved\n", __func__);
+		ret = -EBUSY;
+		goto error_put;
+	}
+
+	value = vsp1_read(vsp1, VI6_STATUS);
+	if (value & VI6_STATUS_SYS_ACT(0)) {
+		dev_err(vsp1->dev,
+			"%s: WPF0 has not entered idle state\n", __func__);
+		ret = -EBUSY;
+		goto error_put;
+	}
+
+	return 0;
+
+error_put:
+	vsp1_device_put(vsp1);
+error_disable:
+	guard(spinlock_irqsave)(&vspx_pipe->lock);
+	vspx_pipe->enabled = false;
+	return ret;
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_start_streaming);
+
+/**
+ * vsp1_isp_stop_streaming - Stop the VSPX
+ * @dev: The VSP1 struct device
+ */
+void vsp1_isp_stop_streaming(struct device *dev)
+{
+	struct vsp1_device *vsp1 = dev_get_drvdata(dev);
+	struct vsp1_vspx_pipeline *vspx_pipe = &vsp1->vspx->pipe;
+	struct vsp1_pipeline *pipe = &vspx_pipe->pipe;
+
+	scoped_guard(spinlock_irqsave, &vspx_pipe->lock) {
+
+		if (!vspx_pipe->enabled)
+			return;
+
+		vspx_pipe->enabled = false;
+	}
+
+	vsp1_pipeline_stop(pipe);
+	pipe->state = VSP1_PIPELINE_STOPPED;
+	vspx_pipe->vspx_frame_end = NULL;
+	vsp1_dlm_reset(pipe->output->dlm);
+	vsp1_device_put(vsp1);
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_stop_streaming);
+
+/**
+ * vsp1_vspx_job_prepare - Prepare a new buffer transfer job
+ * @dev: The VSP1 struct device
+ * @job: The job description
+ *
+ * Prepare a new buffer transfer job by populating a display list that will be
+ * later executed by a call to vsp1_isp_job_run().
+ * All pending jobs must be released after stopping the streaming operations
+ * with a call to vsp1_isp_job_release().
+ *
+ * Return: %0 on success or a negative error code on failure
+ */
+int vsp1_isp_job_prepare(struct device *dev, struct vsp1_isp_job_desc *job)
+{
+	struct vsp1_device *vsp1 = dev_get_drvdata(dev);
+	struct vsp1_vspx_pipeline *vspx_pipe = &vsp1->vspx->pipe;
+	struct vsp1_pipeline *pipe = &vspx_pipe->pipe;
+	const struct v4l2_pix_format_mplane *pix_mp;
+	struct vsp1_dl_list *second_dl = NULL;
+	struct vsp1_dl_body *dlb;
+	struct vsp1_dl_list *dl;
+	int ret;
+
+	/*
+	 * Transfer the buffers described in the job: an optional ConfigDMA
+	 * parameters buffer and a RAW image.
+	 */
+
+	job->dl = vsp1_dl_list_get(pipe->output->dlm);
+	if (!job->dl)
+		return -ENOMEM;
+
+	dl = job->dl;
+	dlb = vsp1_dl_list_get_body0(dl);
+
+	/* Configure IIF routing and enable IIF function. */
+	vsp1_entity_route_setup(pipe->iif, pipe, dlb);
+	vsp1_entity_configure_stream(pipe->iif, pipe->iif->state, pipe,
+				     dl, dlb);
+
+	/* Configure WPF0 to enable RPF0 as source. */
+	vsp1_entity_route_setup(&pipe->output->entity, pipe, dlb);
+	vsp1_entity_configure_stream(&pipe->output->entity,
+				     pipe->output->entity.state, pipe,
+				     dl, dlb);
+
+	if (job->config.pairs) {
+		/*
+		 * Configure RPF0 for ConfigDMA data. Transfer the number of
+		 * configuration pairs plus 2 words for the header.
+		 */
+		ret = vsp1_vspx_pipeline_configure(vsp1, job->config.mem,
+						   V4L2_META_FMT_GENERIC_8,
+						   job->config.pairs * 2 + 2, 1,
+						   job->config.pairs * 2 + 2,
+						   VSPX_IIF_SINK_PAD_CONFIG,
+						   dl, dlb);
+		if (ret)
+			goto error_put_dl;
+
+		second_dl = vsp1_dl_list_get(pipe->output->dlm);
+		if (!second_dl) {
+			ret = -ENOMEM;
+			goto error_put_dl;
+		}
+
+		dl = second_dl;
+		dlb = vsp1_dl_list_get_body0(dl);
+	}
+
+	/* Configure RPF0 for RAW image transfer. */
+	pix_mp = &job->img.fmt.fmt.pix_mp;
+	ret = vsp1_vspx_pipeline_configure(vsp1, job->img.mem,
+					   pix_mp->pixelformat,
+					   pix_mp->width, pix_mp->height,
+					   pix_mp->plane_fmt[0].bytesperline,
+					   VSPX_IIF_SINK_PAD_IMG, dl, dlb);
+	if (ret)
+		goto error_put_dl;
+
+	if (second_dl)
+		vsp1_dl_list_add_chain(job->dl, second_dl);
+
+	return 0;
+
+error_put_dl:
+	if (second_dl)
+		vsp1_dl_list_put(second_dl);
+	vsp1_dl_list_put(job->dl);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_job_prepare);
+
+/**
+ * vsp1_isp_job_run - Run a buffer transfer job
+ * @dev: The VSP1 struct device
+ * @job: The job to be run
+ *
+ * Run the display list contained in the job description provided by the caller.
+ * The job must have been prepared with a call to vsp1_isp_job_prepare() and
+ * the job's display list shall be valid.
+ *
+ * Return: %0 on success or a negative error code on failure
+ */
+int vsp1_isp_job_run(struct device *dev, struct vsp1_isp_job_desc *job)
+{
+	struct vsp1_device *vsp1 = dev_get_drvdata(dev);
+	struct vsp1_vspx_pipeline *vspx_pipe = &vsp1->vspx->pipe;
+	struct vsp1_pipeline *pipe = &vspx_pipe->pipe;
+	u32 value;
+
+	/* Make sure VSPX is not busy processing a frame. */
+	value = vsp1_read(vsp1, VI6_CMD(0));
+	if (value) {
+		dev_err(vsp1->dev,
+			"%s: Starting of WPF0 already reserved\n", __func__);
+		return -EBUSY;
+	}
+
+	scoped_guard(spinlock_irqsave, &vspx_pipe->lock) {
+		/* Apply the display list. */
+		vsp1_dl_list_commit(job->dl, 0);
+	}
+
+	scoped_guard(spinlock_irqsave, &pipe->irqlock) {
+		/*
+		 * Operating the vsp1_pipe in singleshot mode requires to
+		 * manually set the pipeline state to stopped.
+		 */
+		pipe->state = VSP1_PIPELINE_STOPPED;
+		vsp1_pipeline_run(pipe);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_job_run);
+
+/**
+ * vsp1_isp_job_release - Release a non processed transfer job
+ * @dev: The VSP1 struct device
+ * @job: The job to release
+ *
+ * Release a job prepared by a call to vsp1_vspx_job_prepare() and not yet
+ * run. All pending jobs shall be released after streaming has been stopped.
+ */
+void vsp1_isp_job_release(struct device *dev,
+			  struct vsp1_isp_job_desc *job)
+{
+	vsp1_dl_list_put(job->dl);
+}
+EXPORT_SYMBOL_GPL(vsp1_isp_job_release);
+
+/* -----------------------------------------------------------------------------
+ * Initialization and cleanup
+ */
+
+int vsp1_vspx_init(struct vsp1_device *vsp1)
+{
+	struct vsp1_vspx_pipeline *vspx_pipe;
+	struct vsp1_pipeline *pipe;
+
+	vsp1->vspx = devm_kzalloc(vsp1->dev, sizeof(*vsp1->vspx), GFP_KERNEL);
+	if (!vsp1->vspx)
+		return -ENOMEM;
+
+	vsp1->vspx->vsp1 = vsp1;
+
+	vspx_pipe = &vsp1->vspx->pipe;
+	vspx_pipe->enabled = false;
+
+	pipe = &vspx_pipe->pipe;
+
+	vsp1_pipeline_init(pipe);
+
+	pipe->partitions = 1;
+	pipe->part_table = &vspx_pipe->partition;
+	pipe->interlaced = false;
+	pipe->frame_end = vsp1_vspx_pipeline_frame_end;
+
+	spin_lock_init(&vspx_pipe->lock);
+
+	/*
+	 * Initialize RPF0 as input for VSPX and use it unconditionally for
+	 * now.
+	 */
+	pipe->inputs[0] = vsp1->rpf[0];
+	pipe->inputs[0]->entity.pipe = pipe;
+	pipe->inputs[0]->entity.sink = &vsp1->iif->entity;
+	list_add_tail(&pipe->inputs[0]->entity.list_pipe, &pipe->entities);
+
+	pipe->iif = &vsp1->iif->entity;
+	pipe->iif->pipe = pipe;
+	pipe->iif->sink = &vsp1->wpf[0]->entity;
+	pipe->iif->sink_pad = RWPF_PAD_SINK;
+	list_add_tail(&pipe->iif->list_pipe, &pipe->entities);
+
+	pipe->output = vsp1->wpf[0];
+	pipe->output->entity.pipe = pipe;
+	list_add_tail(&pipe->output->entity.list_pipe, &pipe->entities);
+
+	return 0;
+}
+
+void vsp1_vspx_cleanup(struct vsp1_device *vsp1)
+{
+}
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_vspx.h b/drivers/media/platform/renesas/vsp1/vsp1_vspx.h
new file mode 100644
index 000000000000..f871bf9e7dec
--- /dev/null
+++ b/drivers/media/platform/renesas/vsp1/vsp1_vspx.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * vsp1_vspx.h  --  R-Car Gen 4 VSPX
+ *
+ * Copyright (C) 2025 Ideas On Board Oy
+ * Copyright (C) 2025 Renesas Electronics Corporation
+ */
+#ifndef __VSP1_VSPX_H__
+#define __VSP1_VSPX_H__
+
+#include "vsp1.h"
+
+int vsp1_vspx_init(struct vsp1_device *vsp1);
+void vsp1_vspx_cleanup(struct vsp1_device *vsp1);
+
+#endif /* __VSP1_VSPX_H__ */
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index 48f4a5023d81..020bf73f1e61 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -15,6 +15,10 @@
 
 struct device;
 
+/* -----------------------------------------------------------------------------
+ * VSP1 DU interface
+ */
+
 int vsp1_du_init(struct device *dev);
 
 #define VSP1_DU_STATUS_COMPLETE		BIT(0)
@@ -117,4 +121,84 @@ void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index,
 int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
 void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
 
+/* -----------------------------------------------------------------------------
+ * VSP1 ISP interface
+ */
+
+/**
+ * struct vsp1_isp_buffer_desc - Describe a buffer allocated by VSPX
+ * @size: Byte size of the buffer allocated by VSPX
+ * @cpu_addr: CPU-mapped address of a buffer allocated by VSPX
+ * @dma_addr: bus address of a buffer allocated by VSPX
+ */
+struct vsp1_isp_buffer_desc {
+	size_t size;
+	void *cpu_addr;
+	dma_addr_t dma_addr;
+};
+
+/**
+ * struct vsp1_isp_job_desc - Describe a VSPX buffer transfer request
+ * @config: ConfigDMA buffer descriptor
+ * @config.pairs: number of reg-value pairs in the ConfigDMA buffer
+ * @config.mem: bus address of the ConfigDMA buffer
+ * @img: RAW image buffer descriptor
+ * @img.fmt: RAW image format
+ * @img.mem: bus address of the RAW image buffer
+ * @dl: pointer to the display list populated by the VSPX driver in the
+ *      vsp1_isp_job_prepare() function
+ *
+ * Describe a transfer request for the VSPX to perform on behalf of the ISP.
+ * The job descriptor contains an optional ConfigDMA buffer and one RAW image
+ * buffer. Set config.pairs to 0 if no ConfigDMA buffer should be transferred.
+ *
+ * The ISP driver shall pass an instance this type to the vsp1_isp_job_prepare()
+ * function that will populate the display list pointer @dl using the @config
+ * and @img descriptors. When the job has to be run on the VSPX, the descriptor
+ * shall be passed to vsp1_isp_job_run() which consumes the display list.
+ *
+ * Job descriptors not yet run shall be released with a call to
+ * vsp1_isp_job_release() when stopping the streaming in order to properly
+ * release the resources acquired by vsp1_isp_job_prepare().
+ */
+struct vsp1_dl_list;
+struct vsp1_isp_job_desc {
+	struct {
+		unsigned int pairs;
+		dma_addr_t mem;
+	} config;
+	struct {
+		struct v4l2_format fmt;
+		dma_addr_t mem;
+	} img;
+	struct vsp1_dl_list *dl;
+};
+
+/**
+ * struct vsp1_vspx_frame_end - VSPX frame end callback data
+ * @vspx_frame_end: Frame end callback. Called after a transfer job has been
+ *		    completed. If the job includes both a ConfigDMA and a
+ *		    RAW image, the callback is called after both have been
+ *		    transferred
+ * @frame_end_data: Frame end callback data, passed to vspx_frame_end
+ */
+struct vsp1_vspx_frame_end {
+	void (*vspx_frame_end)(void *data);
+	void *frame_end_data;
+};
+
+int vsp1_isp_init(struct device *dev);
+struct device *vsp1_isp_get_bus_master(struct device *dev);
+int vsp1_isp_alloc_buffer(struct device *dev, size_t size,
+			  struct vsp1_isp_buffer_desc *buffer_desc);
+void vsp1_isp_free_buffer(struct device *dev,
+			  struct vsp1_isp_buffer_desc *buffer_desc);
+int vsp1_isp_start_streaming(struct device *dev,
+			     struct vsp1_vspx_frame_end *frame_end);
+void vsp1_isp_stop_streaming(struct device *dev);
+int vsp1_isp_job_prepare(struct device *dev,
+			 struct vsp1_isp_job_desc *job);
+int vsp1_isp_job_run(struct device *dev, struct vsp1_isp_job_desc *job);
+void vsp1_isp_job_release(struct device *dev,  struct vsp1_isp_job_desc *job);
+
 #endif /* __MEDIA_VSP1_H__ */
