diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index a491718..15c931e 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -279,4 +279,18 @@ config QCOM_INLINE_CRYPTO_ENGINE
 	tristate
 	select QCOM_SCM
 
+config QCOM_MINIDUMP
+	tristate "QCOM Minidump Support"
+	depends on ARCH_QCOM || COMPILE_TEST
+	select QCOM_SMEM
+	help
+	  Enablement of core minidump feature is controlled from boot firmware
+	  side, and this config allow linux to query and manages APPS minidump
+	  table.
+
+	  Client drivers can register their internal data structures and debug
+	  messages as part of the minidump region and when the SoC is crashed,
+	  these selective regions will be dumped instead of the entire DDR.
+	  This saves significant amount of time and/or storage space.
+
 endmenu
diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile
index 0f43a88..1ebe081 100644
--- a/drivers/soc/qcom/Makefile
+++ b/drivers/soc/qcom/Makefile
@@ -33,3 +33,4 @@ obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o
 obj-$(CONFIG_QCOM_KRYO_L2_ACCESSORS) +=	kryo-l2-accessors.o
 obj-$(CONFIG_QCOM_ICC_BWMON)	+= icc-bwmon.o
 obj-$(CONFIG_QCOM_INLINE_CRYPTO_ENGINE)	+= ice.o
+obj-$(CONFIG_QCOM_MINIDUMP) += qcom_minidump.o
diff --git a/drivers/soc/qcom/qcom_minidump.c b/drivers/soc/qcom/qcom_minidump.c
new file mode 100644
index 0000000..d107a86
--- /dev/null
+++ b/drivers/soc/qcom/qcom_minidump.c
@@ -0,0 +1,581 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/elf.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/export.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <linux/soc/qcom/smem.h>
+#include <soc/qcom/qcom_minidump.h>
+
+/**
+ * struct minidump_elfhdr - Minidump table elf header
+ * @ehdr: Elf main header
+ * @shdr: Section header
+ * @phdr: Program header
+ * @elf_offset: Section offset in elf
+ * @strtable_idx: String table current index position
+ */
+struct minidump_elfhdr {
+	struct elfhdr		*ehdr;
+	struct elf_shdr		*shdr;
+	struct elf_phdr		*phdr;
+	size_t			elf_offset;
+	size_t			strtable_idx;
+};
+
+/**
+ * struct minidump - Minidump driver private data
+ * @md_gbl_toc	: Global TOC pointer
+ * @md_apss_toc	: Application Subsystem TOC pointer
+ * @md_regions	: High level OS region base pointer
+ * @elf		: Minidump elf header
+ * @dev		: Minidump device
+ */
+struct minidump {
+	struct minidump_global_toc	*md_gbl_toc;
+	struct minidump_subsystem	*md_apss_toc;
+	struct minidump_region		*md_regions;
+	struct minidump_elfhdr		elf;
+	struct device			*dev;
+};
+
+/*
+ * In some of the Old Qualcomm devices, boot firmware statically allocates 300
+ * as total number of supported region (including all co-processors) in
+ * minidump table out of which linux was using 201. In future, this limitation
+ * from boot firmware might get removed by allocating the region dynamically.
+ * So, keep it compatible with older devices, we can keep the current limit for
+ * Linux to 201.
+ */
+#define MAX_NUM_ENTRIES	  201
+#define MAX_STRTBL_SIZE	  (MAX_NUM_ENTRIES * MAX_REGION_NAME_LENGTH)
+
+static struct minidump *__md;
+static DEFINE_MUTEX(minidump_lock);
+
+static struct elf_shdr *elf_shdr_entry_addr(struct elfhdr *ehdr, int idx)
+{
+	struct elf_shdr *eshdr = (struct elf_shdr *)((size_t)ehdr + ehdr->e_shoff);
+
+	return &eshdr[idx];
+}
+
+static struct elf_phdr *elf_phdr_entry_addr(struct elfhdr *ehdr, int idx)
+{
+	struct elf_phdr *ephdr = (struct elf_phdr *)((size_t)ehdr + ehdr->e_phoff);
+
+	return &ephdr[idx];
+}
+
+static char *elf_str_table_start(struct elfhdr *ehdr)
+{
+	struct elf_shdr *eshdr;
+
+	if (ehdr->e_shstrndx == SHN_UNDEF)
+		return NULL;
+
+	eshdr = elf_shdr_entry_addr(ehdr, ehdr->e_shstrndx);
+	return (char *)ehdr + eshdr->sh_offset;
+}
+
+static char *elf_lookup_string(struct elfhdr *ehdr, int offset)
+{
+	char *strtab = elf_str_table_start(ehdr);
+
+	if (!strtab || (__md->elf.strtable_idx < offset))
+		return NULL;
+
+	return strtab + offset;
+}
+
+static unsigned int append_str_to_strtable(const char *name)
+{
+	char *strtab = elf_str_table_start(__md->elf.ehdr);
+	unsigned int old_idx = __md->elf.strtable_idx;
+	unsigned int ret;
+
+	if (!strtab || !name)
+		return 0;
+
+	ret = old_idx;
+	old_idx += strscpy((strtab + old_idx), name, MAX_REGION_NAME_LENGTH);
+	__md->elf.strtable_idx = old_idx + 1;
+	return ret;
+}
+
+static int
+get_apss_minidump_region_index(const struct qcom_apss_minidump_region *region)
+{
+	struct minidump_region *mdr;
+	unsigned int i;
+	unsigned int count;
+
+	count = le32_to_cpu(__md->md_apss_toc->region_count);
+	for (i = 0; i < count; i++) {
+		mdr = &__md->md_regions[i];
+		if (!strcmp(mdr->name, region->name))
+			return i;
+	}
+	return -ENOENT;
+}
+
+static void
+qcom_apss_minidump_update_elf_header(const struct qcom_apss_minidump_region *region)
+{
+	struct elfhdr *ehdr = __md->elf.ehdr;
+	struct elf_shdr *shdr;
+	struct elf_phdr *phdr;
+
+	shdr = elf_shdr_entry_addr(ehdr, ehdr->e_shnum++);
+	phdr = elf_phdr_entry_addr(ehdr, ehdr->e_phnum++);
+
+	shdr->sh_type = SHT_PROGBITS;
+	shdr->sh_name = append_str_to_strtable(region->name);
+	shdr->sh_addr = (elf_addr_t)region->virt_addr;
+	shdr->sh_size = region->size;
+	shdr->sh_flags = SHF_WRITE;
+	shdr->sh_offset = __md->elf.elf_offset;
+	shdr->sh_entsize = 0;
+
+	phdr->p_type = PT_LOAD;
+	phdr->p_offset = __md->elf.elf_offset;
+	phdr->p_vaddr = (elf_addr_t)region->virt_addr;
+	phdr->p_paddr = region->phys_addr;
+	phdr->p_filesz = phdr->p_memsz = region->size;
+	phdr->p_flags = PF_R | PF_W;
+	__md->elf.elf_offset += shdr->sh_size;
+}
+
+static void
+qcom_apss_minidump_add_region(const struct qcom_apss_minidump_region *region)
+{
+	struct minidump_region *mdr;
+	unsigned int region_cnt = le32_to_cpu(__md->md_apss_toc->region_count);
+
+	mdr = &__md->md_regions[region_cnt];
+	strscpy(mdr->name, region->name, sizeof(mdr->name));
+	mdr->address = cpu_to_le64(region->phys_addr);
+	mdr->size = cpu_to_le64(region->size);
+	mdr->valid = cpu_to_le32(MINIDUMP_REGION_VALID);
+	region_cnt++;
+	__md->md_apss_toc->region_count = cpu_to_le32(region_cnt);
+}
+
+static bool
+qcom_apss_minidump_valid_region(const struct qcom_apss_minidump_region *region)
+{
+	return region &&
+		strnlen(region->name, MAX_NAME_LENGTH) < MAX_NAME_LENGTH &&
+		region->virt_addr &&
+		region->size &&
+		IS_ALIGNED(region->size, 4);
+}
+
+static int qcom_apss_minidump_add_elf_header(void)
+{
+	struct qcom_apss_minidump_region elfregion;
+	struct elfhdr *ehdr;
+	struct elf_shdr *shdr;
+	struct elf_phdr *phdr;
+	unsigned int  elfh_size;
+	unsigned int strtbl_off;
+	unsigned int phdr_off;
+	char *banner;
+	unsigned int banner_len;
+
+	banner_len = strlen(linux_banner);
+	/*
+	 * Header buffer contains:
+	 * ELF header, (MAX_NUM_ENTRIES + 4) of Section and Program ELF headers,
+	 * where, 4 additional entries, one for empty header, one for string table
+	 * one for minidump table and one for linux banner.
+	 *
+	 * Linux banner is stored in minidump to aid post mortem tools to determine
+	 * the kernel version.
+	 */
+	elfh_size = sizeof(*ehdr);
+	elfh_size += MAX_STRTBL_SIZE;
+	elfh_size += banner_len + 1;
+	elfh_size += ((sizeof(*shdr) + sizeof(*phdr)) * (MAX_NUM_ENTRIES + 4));
+	elfh_size = ALIGN(elfh_size, 4);
+
+	__md->elf.ehdr = kzalloc(elfh_size, GFP_KERNEL);
+	if (!__md->elf.ehdr)
+		return -ENOMEM;
+
+	/* Register ELF header as first region */
+	strscpy(elfregion.name, "KELF_HEADER", sizeof(elfregion.name));
+	elfregion.virt_addr = __md->elf.ehdr;
+	elfregion.phys_addr = virt_to_phys(__md->elf.ehdr);
+	elfregion.size = elfh_size;
+	qcom_apss_minidump_add_region(&elfregion);
+
+	ehdr = __md->elf.ehdr;
+	/* Assign Section/Program headers offset */
+	__md->elf.shdr = shdr = (struct elf_shdr *)(ehdr + 1);
+	__md->elf.phdr = phdr = (struct elf_phdr *)(shdr + MAX_NUM_ENTRIES);
+	phdr_off = sizeof(*ehdr) + (sizeof(*shdr) * MAX_NUM_ENTRIES);
+
+	memcpy(ehdr->e_ident, ELFMAG, SELFMAG);
+	ehdr->e_ident[EI_CLASS] = ELF_CLASS;
+	ehdr->e_ident[EI_DATA] = ELF_DATA;
+	ehdr->e_ident[EI_VERSION] = EV_CURRENT;
+	ehdr->e_ident[EI_OSABI] = ELF_OSABI;
+	ehdr->e_type = ET_CORE;
+	ehdr->e_machine  = ELF_ARCH;
+	ehdr->e_version = EV_CURRENT;
+	ehdr->e_ehsize = sizeof(*ehdr);
+	ehdr->e_phoff = phdr_off;
+	ehdr->e_phentsize = sizeof(*phdr);
+	ehdr->e_shoff = sizeof(*ehdr);
+	ehdr->e_shentsize = sizeof(*shdr);
+	ehdr->e_shstrndx = 1;
+
+	__md->elf.elf_offset = elfh_size;
+
+	/*
+	 * The zeroth index of the section header is reserved and is rarely used.
+	 * Set the section header as null (SHN_UNDEF) and move to the next one.
+	 * 2nd Section is String table.
+	 */
+	__md->elf.strtable_idx = 1;
+	strtbl_off = sizeof(*ehdr) + ((sizeof(*phdr) + sizeof(*shdr)) * MAX_NUM_ENTRIES);
+	shdr++;
+	shdr->sh_type = SHT_STRTAB;
+	shdr->sh_offset = (elf_addr_t)strtbl_off;
+	shdr->sh_size = MAX_STRTBL_SIZE;
+	shdr->sh_entsize = 0;
+	shdr->sh_flags = 0;
+	shdr->sh_name = append_str_to_strtable("STR_TBL");
+	shdr++;
+
+	/* 3rd Section is Linux banner */
+	banner = (char *)ehdr + strtbl_off + MAX_STRTBL_SIZE;
+	memcpy(banner, linux_banner, banner_len);
+
+	shdr->sh_type = SHT_PROGBITS;
+	shdr->sh_offset = (elf_addr_t)(strtbl_off + MAX_STRTBL_SIZE);
+	shdr->sh_size = banner_len + 1;
+	shdr->sh_addr = (elf_addr_t)linux_banner;
+	shdr->sh_entsize = 0;
+	shdr->sh_flags = SHF_WRITE;
+	shdr->sh_name = append_str_to_strtable("linux_banner");
+
+	phdr->p_type = PT_LOAD;
+	phdr->p_offset = (elf_addr_t)(strtbl_off + MAX_STRTBL_SIZE);
+	phdr->p_vaddr = (elf_addr_t)linux_banner;
+	phdr->p_paddr = virt_to_phys(linux_banner);
+	phdr->p_filesz = phdr->p_memsz = banner_len + 1;
+	phdr->p_flags = PF_R | PF_W;
+
+	/*
+	 * Above are some prdefined sections/program header used
+	 * for debug, update their count here.
+	 */
+	ehdr->e_phnum = 1;
+	ehdr->e_shnum = 3;
+
+	return 0;
+}
+
+/**
+ * qcom_minidump_subsystem_desc() - Get minidump subsystem descriptor.
+ * @minidump_index: minidump index for a subsystem in minidump table
+ *
+ * Return: minidump subsystem descriptor address on success and error
+ * on failure
+ */
+struct minidump_subsystem *qcom_minidump_subsystem_desc(unsigned int minidump_index)
+{
+	struct minidump_subsystem *md_ss_toc;
+
+	mutex_lock(&minidump_lock);
+	if (!__md) {
+		md_ss_toc = ERR_PTR(-EPROBE_DEFER);
+		goto unlock;
+	}
+
+	md_ss_toc = &__md->md_gbl_toc->subsystems[minidump_index];
+unlock:
+	mutex_unlock(&minidump_lock);
+	return md_ss_toc;
+}
+EXPORT_SYMBOL_GPL(qcom_minidump_subsystem_desc);
+
+/**
+ * qcom_apss_minidump_region_register() - Register a region in Minidump table.
+ * @region: minidump region.
+ *
+ * Return: On success, it returns 0, otherwise a negative error value on failure.
+ */
+int qcom_apss_minidump_region_register(const struct qcom_apss_minidump_region *region)
+{
+	unsigned int num_region;
+	int ret;
+
+	if (!__md)
+		return -EPROBE_DEFER;
+
+	if (!qcom_apss_minidump_valid_region(region))
+		return -EINVAL;
+
+	mutex_lock(&minidump_lock);
+	ret = get_apss_minidump_region_index(region);
+	if (ret >= 0) {
+		dev_info(__md->dev, "%s region is already registered\n", region->name);
+		ret = -EEXIST;
+		goto unlock;
+	}
+
+	/* Check if there is a room for a new entry */
+	num_region = le32_to_cpu(__md->md_apss_toc->region_count);
+	if (num_region >= MAX_NUM_ENTRIES) {
+		dev_err(__md->dev, "maximum region limit %u reached\n", num_region);
+		ret = -ENOSPC;
+		goto unlock;
+	}
+
+	qcom_apss_minidump_add_region(region);
+	qcom_apss_minidump_update_elf_header(region);
+	ret = 0;
+unlock:
+	mutex_unlock(&minidump_lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(qcom_apss_minidump_region_register);
+
+static int
+qcom_apss_minidump_clear_header(const struct qcom_apss_minidump_region *region)
+{
+	struct elfhdr *ehdr = __md->elf.ehdr;
+	struct elf_shdr *shdr;
+	struct elf_shdr *tmp_shdr;
+	struct elf_phdr *phdr;
+	struct elf_phdr *tmp_phdr;
+	unsigned int phidx;
+	unsigned int shidx;
+	unsigned int len;
+	unsigned int i;
+	char *shname;
+
+	for (i = 0; i < ehdr->e_phnum; i++) {
+		phdr = elf_phdr_entry_addr(ehdr, i);
+		if (phdr->p_paddr == region->phys_addr &&
+		    phdr->p_memsz == region->size)
+			break;
+	}
+
+	if (i == ehdr->e_phnum) {
+		dev_err(__md->dev, "Cannot find program header entry in elf\n");
+		return -EINVAL;
+	}
+
+	phidx = i;
+	for (i = 0; i < ehdr->e_shnum; i++) {
+		shdr = elf_shdr_entry_addr(ehdr, i);
+		shname = elf_lookup_string(ehdr, shdr->sh_name);
+		if (shname && !strcmp(shname, region->name) &&
+		    shdr->sh_addr == (elf_addr_t)region->virt_addr &&
+		    shdr->sh_size == region->size)
+			break;
+	}
+
+	if (i == ehdr->e_shnum) {
+		dev_err(__md->dev, "Cannot find section header entry in elf\n");
+		return -EINVAL;
+	}
+
+	shidx = i;
+	if (shdr->sh_offset != phdr->p_offset) {
+		dev_err(__md->dev, "Invalid entry details for region: %s\n", region->name);
+		return -EINVAL;
+	}
+
+	/* Clear name in string table */
+	len = strlen(shname) + 1;
+	memmove(shname, shname + len,
+		__md->elf.strtable_idx - shdr->sh_name - len);
+	__md->elf.strtable_idx -= len;
+
+	/* Clear program header */
+	tmp_phdr = elf_phdr_entry_addr(ehdr, phidx);
+	for (i = phidx; i < ehdr->e_phnum - 1; i++) {
+		tmp_phdr = elf_phdr_entry_addr(ehdr, i + 1);
+		phdr = elf_phdr_entry_addr(ehdr, i);
+		memcpy(phdr, tmp_phdr, sizeof(struct elf_phdr));
+		phdr->p_offset = phdr->p_offset - region->size;
+	}
+	memset(tmp_phdr, 0, sizeof(struct elf_phdr));
+	ehdr->e_phnum--;
+
+	/* Clear section header */
+	tmp_shdr = elf_shdr_entry_addr(ehdr, shidx);
+	for (i = shidx; i < ehdr->e_shnum - 1; i++) {
+		tmp_shdr = elf_shdr_entry_addr(ehdr, i + 1);
+		shdr = elf_shdr_entry_addr(ehdr, i);
+		memcpy(shdr, tmp_shdr, sizeof(struct elf_shdr));
+		shdr->sh_offset -= region->size;
+		shdr->sh_name -= len;
+	}
+
+	memset(tmp_shdr, 0, sizeof(struct elf_shdr));
+	ehdr->e_shnum--;
+	__md->elf.elf_offset -= region->size;
+
+	return 0;
+}
+
+/**
+ * qcom_apss_minidump_region_unregister() - Unregister region from Minidump table.
+ * @region: minidump region.
+ *
+ * Return: On success, it returns 0 and negative error value on failure.
+ */
+int qcom_apss_minidump_region_unregister(const struct qcom_apss_minidump_region *region)
+{
+	struct minidump_region *mdr;
+	unsigned int num_region;
+	unsigned int idx;
+	int ret;
+
+	if (!region)
+		return -EINVAL;
+
+	mutex_lock(&minidump_lock);
+	if (!__md) {
+		ret = -EPROBE_DEFER;
+		goto unlock;
+	}
+
+	idx = get_apss_minidump_region_index(region);
+	if (idx < 0) {
+		dev_err(__md->dev, "%s region is not present\n", region->name);
+		ret = idx;
+		goto unlock;
+	}
+
+	mdr = &__md->md_regions[0];
+	num_region = le32_to_cpu(__md->md_apss_toc->region_count);
+	/*
+	 * Left shift all the regions exist after this removed region
+	 * index by 1 to fill the gap and zero out the last region
+	 * present at the end.
+	 */
+	memmove(&mdr[idx], &mdr[idx + 1],
+		(num_region - idx - 1) * sizeof(struct minidump_region));
+	memset(&mdr[num_region - 1], 0, sizeof(struct minidump_region));
+	ret = qcom_apss_minidump_clear_header(region);
+	if (ret) {
+		dev_err(__md->dev, "Failed to remove region: %s\n", region->name);
+		goto unlock;
+	}
+
+	num_region--;
+	__md->md_apss_toc->region_count = cpu_to_le32(num_region);
+unlock:
+	mutex_unlock(&minidump_lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(qcom_apss_minidump_region_unregister);
+
+static int qcom_minidump_init_apss_subsystem(struct minidump *md)
+{
+	struct minidump_subsystem *apsstoc;
+
+	apsstoc = &md->md_gbl_toc->subsystems[MINIDUMP_APSS_DESC];
+	md->md_regions = devm_kcalloc(md->dev, MAX_NUM_ENTRIES,
+				      sizeof(struct minidump_region), GFP_KERNEL);
+	if (!md->md_regions)
+		return -ENOMEM;
+
+	md->md_apss_toc = apsstoc;
+	apsstoc->regions_baseptr = cpu_to_le64(virt_to_phys(md->md_regions));
+	apsstoc->enabled = cpu_to_le32(MINIDUMP_SS_ENABLED);
+	apsstoc->status = cpu_to_le32(1);
+	apsstoc->region_count = cpu_to_le32(0);
+
+	/* Tell bootloader not to encrypt the regions of this subsystem */
+	apsstoc->encryption_status = cpu_to_le32(MINIDUMP_SS_ENCR_DONE);
+	apsstoc->encryption_required = cpu_to_le32(MINIDUMP_SS_ENCR_NOTREQ);
+
+	return 0;
+}
+
+static int qcom_minidump_probe(struct platform_device *pdev)
+{
+	struct minidump_global_toc *mdgtoc;
+	struct minidump *md;
+	size_t size;
+	int ret;
+
+	md = devm_kzalloc(&pdev->dev, sizeof(*md), GFP_KERNEL);
+	if (!md)
+		return -ENOMEM;
+
+	mdgtoc = qcom_smem_get(QCOM_SMEM_HOST_ANY, SBL_MINIDUMP_SMEM_ID, &size);
+	if (IS_ERR(mdgtoc)) {
+		ret = PTR_ERR(mdgtoc);
+		dev_err(&pdev->dev, "Couldn't find minidump smem item: %d\n", ret);
+		return ret;
+	}
+
+	if (size < sizeof(*mdgtoc) || !mdgtoc->status) {
+		ret = -EINVAL;
+		dev_err(&pdev->dev, "minidump table is not initialized: %d\n", ret);
+		return ret;
+	}
+
+	mutex_lock(&minidump_lock);
+	md->dev = &pdev->dev;
+	md->md_gbl_toc = mdgtoc;
+	ret = qcom_minidump_init_apss_subsystem(md);
+	if (ret) {
+		dev_err(&pdev->dev, "apss minidump initialization failed: %d\n", ret);
+		goto unlock;
+	}
+
+	__md = md;
+	/* First entry would be ELF header */
+	ret = qcom_apss_minidump_add_elf_header();
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to add elf header: %d\n", ret);
+		memset(md->md_apss_toc, 0, sizeof(struct minidump_subsystem));
+		__md = NULL;
+	}
+
+unlock:
+	mutex_unlock(&minidump_lock);
+	return ret;
+}
+
+static int qcom_minidump_remove(struct platform_device *pdev)
+{
+	memset(__md->md_apss_toc, 0, sizeof(struct minidump_subsystem));
+	__md = NULL;
+
+	return 0;
+}
+
+static struct platform_driver qcom_minidump_driver = {
+	.probe = qcom_minidump_probe,
+	.remove = qcom_minidump_remove,
+	.driver  = {
+		.name = "qcom-minidump",
+	},
+};
+
+module_platform_driver(qcom_minidump_driver);
+
+MODULE_DESCRIPTION("Qualcomm APSS minidump driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qcom-minidump");
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index 6be7ea9..d459656 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -279,6 +279,7 @@ struct qcom_smem {
 
 	u32 item_count;
 	struct platform_device *socinfo;
+	struct platform_device *minidump;
 	struct smem_ptable *ptable;
 	struct smem_partition global_partition;
 	struct smem_partition partitions[SMEM_HOST_COUNT];
@@ -1151,12 +1152,19 @@ static int qcom_smem_probe(struct platform_device *pdev)
 	if (IS_ERR(smem->socinfo))
 		dev_dbg(&pdev->dev, "failed to register socinfo device\n");
 
+	smem->minidump = platform_device_register_data(&pdev->dev, "qcom-minidump",
+						      PLATFORM_DEVID_NONE, NULL,
+						      0);
+	if (IS_ERR(smem->minidump))
+		dev_dbg(&pdev->dev, "failed to register minidump device\n");
+
 	return 0;
 }
 
 static int qcom_smem_remove(struct platform_device *pdev)
 {
 	platform_device_unregister(__smem->socinfo);
+	platform_device_unregister(__smem->minidump);
 
 	hwspin_lock_free(__smem->hwlock);
 	__smem = NULL;
diff --git a/include/soc/qcom/qcom_minidump.h b/include/soc/qcom/qcom_minidump.h
index 84c8605..1872668 100644
--- a/include/soc/qcom/qcom_minidump.h
+++ b/include/soc/qcom/qcom_minidump.h
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Qualcomm minidump shared data structures and macros
+ * This file contain Qualcomm minidump data structures and macros shared with
+ * boot firmware and also apss minidump client's data structure
  *
  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
  */
@@ -9,12 +10,27 @@
 #define _QCOM_MINIDUMP_H_
 
 #define MAX_NUM_OF_SS           10
+#define MAX_NAME_LENGTH		12
 #define MAX_REGION_NAME_LENGTH  16
+
+#define MINIDUMP_REVISION	1
 #define SBL_MINIDUMP_SMEM_ID	602
+
+/* Application processor minidump descriptor */
+#define MINIDUMP_APSS_DESC	0
+#define SMEM_ENTRY_SIZE		40
+
 #define MINIDUMP_REGION_VALID		('V' << 24 | 'A' << 16 | 'L' << 8 | 'I' << 0)
+#define MINIDUMP_REGION_INVALID		('I' << 24 | 'N' << 16 | 'V' << 8 | 'A' << 0)
+#define MINIDUMP_REGION_INIT		('I' << 24 | 'N' << 16 | 'I' << 8 | 'T' << 0)
+#define MINIDUMP_REGION_NOINIT		0
+
+#define MINIDUMP_SS_ENCR_REQ		(0 << 24 | 'Y' << 16 | 'E' << 8 | 'S' << 0)
+#define MINIDUMP_SS_ENCR_NOTREQ		(0 << 24 | 0 << 16 | 'N' << 8 | 'R' << 0)
+#define MINIDUMP_SS_ENCR_NONE		('N' << 24 | 'O' << 16 | 'N' << 8 | 'E' << 0)
 #define MINIDUMP_SS_ENCR_DONE		('D' << 24 | 'O' << 16 | 'N' << 8 | 'E' << 0)
+#define MINIDUMP_SS_ENCR_START		('S' << 24 | 'T' << 16 | 'R' << 8 | 'T' << 0)
 #define MINIDUMP_SS_ENABLED		('E' << 24 | 'N' << 16 | 'B' << 8 | 'L' << 0)
-
 /**
  * struct minidump_region - Minidump region
  * @name		: Name of the region to be dumped
@@ -63,4 +79,45 @@ struct minidump_global_toc {
 	struct minidump_subsystem	subsystems[MAX_NUM_OF_SS];
 };
 
+/**
+ * struct qcom_apss_minidump_region - APSS Minidump region information
+ *
+ * @name:	Entry name, Minidump will dump binary with this name.
+ * @virt_addr:  Virtual address of the entry.
+ * @phys_addr:	Physical address of the entry to dump.
+ * @size:	Number of byte to dump from @address location,
+ *		and it should be 4 byte aligned.
+ */
+struct qcom_apss_minidump_region {
+	char		name[MAX_NAME_LENGTH];
+	void		*virt_addr;
+	phys_addr_t	phys_addr;
+	size_t		size;
+};
+
+#if IS_ENABLED(CONFIG_QCOM_MINIDUMP)
+extern struct minidump_subsystem *
+qcom_minidump_subsystem_desc(unsigned int minidump_index);
+extern int
+qcom_apss_minidump_region_register(const struct qcom_apss_minidump_region *region);
+extern int
+qcom_apss_minidump_region_unregister(const struct qcom_apss_minidump_region *region);
+#else
+static inline
+struct minidump_subsystem *qcom_minidump_subsystem_desc(unsigned int minidump_index)
+{
+	return NULL;
+}
+static inline int
+qcom_apss_minidump_region_register(const struct qcom_apss_minidump_region *region)
+{
+	/* Return quietly, if minidump is not enabled */
+	return 0;
+}
+static inline int
+qcom_apss_minidump_region_unregister(const struct qcom_apss_minidump_region *region)
+{
+	return 0;
+}
+#endif
 #endif  /* _QCOM_MINIDUMP_H_ */
