diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 5c54931a7b99..7cb7eba2b997 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -74,6 +74,15 @@ config QCOM_RMTFS_MEM
 
 	  Say y here if you intend to boot the modem remoteproc.
 
+config QCOM_RPMHPD
+	tristate "Qualcomm RPMh Power domain driver"
+	depends on QCOM_RPMH && QCOM_COMMAND_DB
+	help
+	  QCOM RPMh Power domain driver to support power-domains with
+	  performance states. The driver communicates a performance state
+	  value to RPMh which then translates it into corresponding voltage
+	  for the voltage rail.
+
 config QCOM_RPMPD
 	tristate "Qualcomm RPM Power domain driver"
 	depends on MFD_QCOM_RPM && QCOM_SMD_RPM
diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile
index 9550c170de93..499513f63bef 100644
--- a/drivers/soc/qcom/Makefile
+++ b/drivers/soc/qcom/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_QCOM_SMSM)	+= smsm.o
 obj-$(CONFIG_QCOM_WCNSS_CTRL) += wcnss_ctrl.o
 obj-$(CONFIG_QCOM_APR) += apr.o
 obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o
+obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o
diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
new file mode 100644
index 000000000000..7083ec1590ff
--- /dev/null
+++ b/drivers/soc/qcom/rpmhpd.c
@@ -0,0 +1,427 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/
+
+#include <linux/err.h>
+#include <linux/export.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <soc/qcom/cmd-db.h>
+#include <soc/qcom/rpmh.h>
+#include <dt-bindings/power/qcom-rpmhpd.h>
+
+#define domain_to_rpmhpd(domain) container_of(domain, struct rpmhpd, pd)
+
+#define DEFINE_RPMHPD_AO(_platform, _name, _active)			\
+	static struct rpmhpd _platform##_##_active;			\
+	static struct rpmhpd _platform##_##_name = {			\
+		.pd = {	.name = #_name,	},				\
+		.peer = &_platform##_##_active,				\
+		.res_name = #_name".lvl",				\
+		.valid_state_mask = (BIT(RPMH_ACTIVE_ONLY_STATE) |	\
+					BIT(RPMH_WAKE_ONLY_STATE) |	\
+					BIT(RPMH_SLEEP_STATE)),		\
+	};								\
+	static struct rpmhpd _platform##_##_active = {			\
+		.pd = { .name = #_active, },				\
+		.peer = &_platform##_##_name,				\
+		.active_only = true,					\
+		.res_name = #_name".lvl",				\
+		.valid_state_mask = (BIT(RPMH_ACTIVE_ONLY_STATE) |	\
+					BIT(RPMH_WAKE_ONLY_STATE) |	\
+					BIT(RPMH_SLEEP_STATE)),		\
+	}
+
+#define DEFINE_RPMHPD(_platform, _name)					\
+	static struct rpmhpd _platform##_##_name = {			\
+		.pd = { .name = #_name, },				\
+		.res_name = #_name".lvl",				\
+		.valid_state_mask = BIT(RPMH_ACTIVE_ONLY_STATE),	\
+	}
+
+/*
+ * This is the number of bytes used for each command DB aux data entry of an
+ * ARC resource.
+ */
+#define RPMH_ARC_LEVEL_SIZE	2
+#define RPMH_ARC_MAX_LEVELS	16
+
+struct rpmhpd {
+	struct device	*dev;
+	struct generic_pm_domain pd;
+	struct rpmhpd	*peer;
+	const bool	active_only;
+	unsigned int	corner;
+	unsigned int	active_corner;
+	u32		level[RPMH_ARC_MAX_LEVELS];
+	int		level_count;
+	bool		enabled;
+	const char	*res_name;
+	u32		addr;
+	u8		valid_state_mask;
+};
+
+struct rpmhpd_desc {
+	struct rpmhpd **rpmhpds;
+	size_t num_pds;
+};
+
+static DEFINE_MUTEX(rpmhpd_lock);
+
+/* sdm845 RPMh Power domains */
+DEFINE_RPMHPD(sdm845, ebi);
+DEFINE_RPMHPD_AO(sdm845, mx, mx_ao);
+DEFINE_RPMHPD_AO(sdm845, cx, cx_ao);
+DEFINE_RPMHPD(sdm845, lmx);
+DEFINE_RPMHPD(sdm845, lcx);
+DEFINE_RPMHPD(sdm845, gfx);
+DEFINE_RPMHPD(sdm845, mss);
+
+static struct rpmhpd *sdm845_rpmhpds[] = {
+	[SDM845_EBI] = &sdm845_ebi,
+	[SDM845_MX] = &sdm845_mx,
+	[SDM845_MX_AO] = &sdm845_mx_ao,
+	[SDM845_CX] = &sdm845_cx,
+	[SDM845_CX_AO] = &sdm845_cx_ao,
+	[SDM845_LMX] = &sdm845_lmx,
+	[SDM845_LCX] = &sdm845_lcx,
+	[SDM845_GFX] = &sdm845_gfx,
+	[SDM845_MSS] = &sdm845_mss,
+};
+
+static const struct rpmhpd_desc sdm845_desc = {
+	.rpmhpds = sdm845_rpmhpds,
+	.num_pds = ARRAY_SIZE(sdm845_rpmhpds),
+};
+
+static const struct of_device_id rpmhpd_match_table[] = {
+	{ .compatible = "qcom,sdm845-rpmhpd", .data = &sdm845_desc },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, rpmhpd_match_table);
+
+static int rpmhpd_send_corner(struct rpmhpd *pd, int state,
+			      unsigned int corner, bool sync)
+{
+	struct tcs_cmd cmd = {
+		.addr = pd->addr,
+		.data = corner,
+	};
+
+	if (sync)
+		return rpmh_write(pd->dev, state, &cmd, 1);
+	else
+		return rpmh_write_async(pd->dev, state, &cmd, 1);
+}
+
+static int rpmhpd_send_corner_sync(struct rpmhpd *pd, int state,
+				   unsigned int corner)
+{
+	return rpmhpd_send_corner(pd, state, corner, true);
+}
+
+static int rpmhpd_send_corner_async(struct rpmhpd *pd, int state,
+				    unsigned int corner)
+{
+	return rpmhpd_send_corner(pd, state, corner, false);
+};
+
+static void to_active_sleep(struct rpmhpd *pd, unsigned int corner,
+			    unsigned int *active, unsigned int *sleep)
+{
+	*active = corner;
+
+	if (pd->active_only)
+		*sleep = 0;
+	else
+		*sleep = *active;
+}
+
+/*
+ * This function is used to aggregate the votes across the active only
+ * resources and its peers. The aggregated votes are send to RPMh as
+ * ACTIVE_ONLY votes (which take effect immediately), as WAKE_ONLY votes
+ * (applied by RPMh on system wakeup) and as SLEEP votes (applied by RPMh
+ * on system sleep).
+ * We send ACTIVE_ONLY votes for resources without any peers. For others,
+ * which have an active only peer, all 3 Votes are sent.
+ */
+static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner)
+{
+	int ret = -EINVAL;
+	struct rpmhpd *peer = pd->peer;
+	unsigned int active_corner, sleep_corner;
+	unsigned int this_active_corner = 0, this_sleep_corner = 0;
+	unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
+
+	to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner);
+
+	if (peer && peer->enabled)
+		to_active_sleep(peer, peer->corner, &peer_active_corner,
+				&peer_sleep_corner);
+
+	active_corner = max(this_active_corner, peer_active_corner);
+
+	if (pd->valid_state_mask & BIT(RPMH_ACTIVE_ONLY_STATE)) {
+		/*
+		 * Wait for an ack only when we are increasing the
+		 * perf state of the power domain
+		 */
+		if (active_corner > pd->active_corner)
+			ret = rpmhpd_send_corner_sync(pd,
+						      RPMH_ACTIVE_ONLY_STATE,
+						      active_corner);
+		else
+			ret = rpmhpd_send_corner_async(pd,
+						       RPMH_ACTIVE_ONLY_STATE,
+						       active_corner);
+		if (ret)
+			return ret;
+		pd->active_corner = active_corner;
+		if (peer)
+			peer->active_corner = active_corner;
+	}
+
+	if (pd->valid_state_mask & BIT(RPMH_WAKE_ONLY_STATE)) {
+		ret = rpmhpd_send_corner_async(pd, RPMH_WAKE_ONLY_STATE,
+					       active_corner);
+		if (ret)
+			return ret;
+	}
+
+	sleep_corner = max(this_sleep_corner, peer_sleep_corner);
+
+	if (pd->valid_state_mask & BIT(RPMH_SLEEP_STATE))
+		ret = rpmhpd_send_corner_async(pd, RPMH_SLEEP_STATE,
+					       sleep_corner);
+
+	return ret;
+}
+
+static int rpmhpd_power_on(struct generic_pm_domain *domain)
+{
+	struct rpmhpd *pd = domain_to_rpmhpd(domain);
+	int ret = 0;
+
+	mutex_lock(&rpmhpd_lock);
+
+	pd->enabled = true;
+
+	if (pd->corner)
+		ret = rpmhpd_aggregate_corner(pd, pd->corner);
+
+	mutex_unlock(&rpmhpd_lock);
+
+	return ret;
+}
+
+static int rpmhpd_power_off(struct generic_pm_domain *domain)
+{
+	struct rpmhpd *pd = domain_to_rpmhpd(domain);
+	int ret = 0;
+
+	mutex_lock(&rpmhpd_lock);
+
+	if (pd->level[0] == 0)
+		ret = rpmhpd_aggregate_corner(pd, 0);
+
+	if (!ret)
+		pd->enabled = false;
+
+	mutex_unlock(&rpmhpd_lock);
+
+	return ret;
+}
+
+static int rpmhpd_set_performance(struct generic_pm_domain *domain,
+				  unsigned int state)
+{
+	struct rpmhpd *pd = domain_to_rpmhpd(domain);
+	int ret = 0, i;
+
+	mutex_lock(&rpmhpd_lock);
+
+	for (i = 0; i < pd->level_count; i++)
+		if (state <= pd->level[i])
+			break;
+
+	if (i == pd->level_count) {
+		ret = -EINVAL;
+		dev_err(pd->dev, "invalid state=%u for domain %s",
+			state, pd->pd.name);
+			goto out;
+	}
+
+	pd->corner = i;
+
+	if (!pd->enabled)
+		goto out;
+
+	ret = rpmhpd_aggregate_corner(pd, i);
+out:
+	mutex_unlock(&rpmhpd_lock);
+
+	return ret;
+}
+
+static unsigned int rpmhpd_get_performance(struct generic_pm_domain *genpd,
+					   struct dev_pm_opp *opp)
+{
+	struct device_node *np;
+	unsigned int corner = 0;
+
+	np = dev_pm_opp_get_of_node(opp);
+	if (of_property_read_u32(np, "qcom,level", &corner)) {
+		pr_err("%s: missing 'qcom,level' property\n", __func__);
+		return 0;
+	}
+
+	of_node_put(np);
+
+	return corner;
+}
+
+static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)
+{
+	int i, j, len, ret;
+	u8 buf[RPMH_ARC_MAX_LEVELS * RPMH_ARC_LEVEL_SIZE];
+
+	len = cmd_db_read_aux_data_len(rpmhpd->res_name);
+	if (len <= 0)
+		return len;
+
+	if (len > RPMH_ARC_MAX_LEVELS * RPMH_ARC_LEVEL_SIZE)
+		return -EINVAL;
+
+	ret = cmd_db_read_aux_data(rpmhpd->res_name, buf, len);
+	if (ret < 0)
+		return ret;
+
+	rpmhpd->level_count = len / RPMH_ARC_LEVEL_SIZE;
+
+	for (i = 0; i < rpmhpd->level_count; i++) {
+		rpmhpd->level[i] = 0;
+		for (j = 0; j < RPMH_ARC_LEVEL_SIZE; j++)
+			rpmhpd->level[i] |=
+				buf[i * RPMH_ARC_LEVEL_SIZE + j] << (8 * j);
+
+		/*
+		 * The AUX data may be zero padded.  These 0 valued entries at
+		 * the end of the map must be ignored.
+		 */
+		if (i > 0 && rpmhpd->level[i] == 0) {
+			rpmhpd->level_count = i;
+			break;
+		}
+		pr_dbg("%s: ARC hlvl=%2d --> vlvl=%4u\n", rpmhpd->res_name, i,
+		       rpmhpd->level[i]);
+	}
+
+	return 0;
+}
+
+static int rpmhpd_probe(struct platform_device *pdev)
+{
+	int i, ret;
+	size_t num;
+	struct genpd_onecell_data *data;
+	struct rpmhpd **rpmhpds;
+	const struct rpmhpd_desc *desc;
+
+	desc = of_device_get_match_data(&pdev->dev);
+	if (!desc)
+		return -EINVAL;
+
+	rpmhpds = desc->rpmhpds;
+	num = desc->num_pds;
+
+	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	data->domains = devm_kcalloc(&pdev->dev, num, sizeof(*data->domains),
+				     GFP_KERNEL);
+	data->num_domains = num;
+
+	ret = cmd_db_ready();
+	if (ret) {
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "Command DB unavailable, ret=%d\n",
+				ret);
+		return ret;
+	}
+
+	for (i = 0; i < num; i++) {
+		if (!rpmhpds[i]) {
+			dev_warn(&pdev->dev, "rpmhpds[] with empty entry at index=%d\n",
+				 i);
+			continue;
+		}
+
+		rpmhpds[i]->dev = &pdev->dev;
+		rpmhpds[i]->addr = cmd_db_read_addr(rpmhpds[i]->res_name);
+		if (!rpmhpds[i]->addr) {
+			dev_err(&pdev->dev, "Could not find RPMh address for resource %s\n",
+				rpmhpds[i]->res_name);
+			return -ENODEV;
+		}
+
+		ret = cmd_db_read_slave_id(rpmhpds[i]->res_name);
+		if (ret != CMD_DB_HW_ARC) {
+			dev_err(&pdev->dev, "RPMh slave ID mismatch\n");
+			return -EINVAL;
+		}
+
+		ret = rpmhpd_update_level_mapping(rpmhpds[i]);
+		if (ret)
+			return ret;
+
+		rpmhpds[i]->pd.power_off = rpmhpd_power_off;
+		rpmhpds[i]->pd.power_on = rpmhpd_power_on;
+		rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance;
+		rpmhpds[i]->pd.opp_to_performance_state = rpmhpd_get_performance;
+		pm_genpd_init(&rpmhpds[i]->pd, NULL, true);
+
+		data->domains[i] = &rpmhpds[i]->pd;
+	}
+
+	return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
+}
+
+static int rpmhpd_remove(struct platform_device *pdev)
+{
+	of_genpd_del_provider(pdev->dev.of_node);
+	return 0;
+}
+
+static struct platform_driver rpmhpd_driver = {
+	.driver = {
+		.name = "qcom-rpmhpd",
+		.of_match_table = rpmhpd_match_table,
+	},
+	.probe = rpmhpd_probe,
+	.remove = rpmhpd_remove,
+};
+
+static int __init rpmhpd_init(void)
+{
+	return platform_driver_register(&rpmhpd_driver);
+}
+core_initcall(rpmhpd_init);
+
+static void __exit rpmhpd_exit(void)
+{
+	platform_driver_unregister(&rpmhpd_driver);
+}
+module_exit(rpmhpd_exit);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Power Domain Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qcom-rpmhpd");
diff --git a/include/dt-bindings/power/qcom-rpmhpd.h b/include/dt-bindings/power/qcom-rpmhpd.h
new file mode 100644
index 000000000000..b01ae2452603
--- /dev/null
+++ b/include/dt-bindings/power/qcom-rpmhpd.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018, The Linux Foundation. All rights reserved. */
+
+#ifndef _DT_BINDINGS_POWER_QCOM_RPMHPD_H
+#define _DT_BINDINGS_POWER_QCOM_RPMHPD_H
+
+/* SDM845 Power Domain Indexes */
+#define SDM845_EBI	0
+#define SDM845_MX	1
+#define SDM845_MX_AO	2
+#define SDM845_CX	3
+#define SDM845_CX_AO	4
+#define SDM845_LMX	5
+#define SDM845_LCX	6
+#define SDM845_GFX	7
+#define SDM845_MSS	8
+
+/* SDM845 Power Domain performance levels */
+#define RPMH_REGULATOR_LEVEL_OFF	0
+#define RPMH_REGULATOR_LEVEL_RETENTION	16
+#define RPMH_REGULATOR_LEVEL_MIN_SVS	48
+#define RPMH_REGULATOR_LEVEL_LOW_SVS	64
+#define RPMH_REGULATOR_LEVEL_SVS	128
+#define RPMH_REGULATOR_LEVEL_SVS_L1	192
+#define RPMH_REGULATOR_LEVEL_NOM	256
+#define RPMH_REGULATOR_LEVEL_NOM_L1	320
+#define RPMH_REGULATOR_LEVEL_NOM_L2	336
+#define RPMH_REGULATOR_LEVEL_TURBO	384
+#define RPMH_REGULATOR_LEVEL_TURBO_L1	416
+
+#endif
