diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index d0484ad0cdb13e..379c8fdb2cfc4a 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -949,6 +949,8 @@
 				/* This interrupt must be the same as the GIC interrupt 122 index in the arcsync node interrupts */
 				/* ARCsync v0c0arc_irq1_a -> VPX irq19_a in the FPGA bitfile */
 				interrupts = <0 90 4>;
+				/* Shared memory mapping protection properties: 0 - noncached, 1 - write-combine */
+				/* snps,pgprot-bits = <1>; */
 				/* How many address bits the VPX master can use for DMA to system RAM */
 				snps,dma-bits = <0x1f>;
 				#stream-id-cells = <0x01>;
@@ -967,6 +969,8 @@
 				/* This interrupt must be the same as the GIC interrupt 122 index in the arcsync node interrupts */
 				/* ARCsync v0c0arc_irq1_a -> VPX irq19_a in the FPGA bitfile */
 				interrupts = <0 90 4>;
+				/* Shared memory mapping protection properties: 0 - noncached, 1 - write-combine */
+				/* snps,pgprot-bits = <1>; */
 				/* How many address bits the VPX master can use for DMA to system RAM */
 				snps,dma-bits = <0x1f>;
 				#stream-id-cells = <0x01>;
diff --git a/drivers/misc/snps_accel/snps_accel_drv.c b/drivers/misc/snps_accel/snps_accel_drv.c
index 74887773cc8de5..166bb970b2e0fa 100644
--- a/drivers/misc/snps_accel/snps_accel_drv.c
+++ b/drivers/misc/snps_accel/snps_accel_drv.c
@@ -28,6 +28,10 @@
 static struct class *snps_accel_class;
 static unsigned int snps_accel_major;
 
+static const enum {
+	snps_accel_pgprot_noncached,
+	snps_accel_pgprot_writecombine = 1
+};
 
 static int
 snps_accel_info_shmem(struct snps_accel_app *accel_app, char __user *argp)
@@ -276,7 +280,12 @@ static int snps_accel_mmap(struct file *filp, struct vm_area_struct *vma)
 			dev_dbg(accel_app->device, "Shared memory size mismatch\n");
 			return -EINVAL;
 		}
-		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+		if (accel_app->pgprot_bits & snps_accel_pgprot_writecombine) {
+			vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+		}
+		else {
+			vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+		}
 		ret = remap_pfn_range(vma, vma->vm_start,
 				      vma->vm_pgoff,
 				      size,
@@ -365,6 +374,7 @@ snps_accel_add_app(struct platform_device *pdev, struct device_node *node)
 	struct resource ctrl;
 	struct resource shmem;
 	u32 dma_bits = 32;
+	u32 pgprot_bits = snps_accel_pgprot_noncached;
 
 	ret = snps_accel_get_ctrl_mem(node, &ctrl);
 	if (ret < 0) {
@@ -440,6 +450,17 @@ snps_accel_add_app(struct platform_device *pdev, struct device_node *node)
 			accel_app->device->dma_mask ? *accel_app->device->dma_mask : 0,
 			accel_app->device->coherent_dma_mask);
 
+	ret = of_property_read_u32(node, "snps,pgprot-bits", &pgprot_bits);
+	if (ret) {
+		dev_warn(accel_app->device,
+				"snps,pgprot-bits DTS property read error %d, use noncached\n",
+				ret);
+	}
+	else {
+		accel_app->pgprot_bits = pgprot_bits;
+		dev_dbg(accel_app->device, "shmem pgprot 0x%x\n", accel_app->pgprot_bits);
+	}
+
 #if IS_ENABLED(CONFIG_OF_IOMMU)
 	accel_app->device->bus = pdev->dev.bus;
 	accel_app->device->of_node = node;
diff --git a/drivers/misc/snps_accel/snps_accel_drv.h b/drivers/misc/snps_accel/snps_accel_drv.h
index aa3a14668b4a96..7522ea4e5d0498 100644
--- a/drivers/misc/snps_accel/snps_accel_drv.h
+++ b/drivers/misc/snps_accel/snps_accel_drv.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (C) 2024 Synopsys, Inc. (www.synopsys.com)
+ * Copyright (C) 2024-2025 Synopsys, Inc. (www.synopsys.com)
  */
 
 #ifndef _SNPS_ACCEL_DRV_H
@@ -55,6 +55,7 @@ struct snps_accel_app {
 	resource_size_t shmem_size;
 	resource_size_t ctrl_base;
 	resource_size_t ctrl_size;
+	u32 pgprot_bits;
 };
 
 /**