diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index 52f94bebe434..015d519dc049 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2010-2011, 2019-2020, The Linux Foundation. All rights reserved. */
+/* Copyright (c) 2010-2011, 2019-2021, The Linux Foundation. All rights reserved. */
 
 #include <linux/of.h>
 #include <linux/module.h>
@@ -462,6 +462,16 @@ static const struct pm8xxx_rtc_regs pmk8350_regs = {
 	.alarm_en	= BIT(7),
 };
 
+static const struct pm8xxx_rtc_regs pm5100_regs = {
+	.ctrl		= 0x6446,
+	.write		= 0x6440,
+	.read		= 0x6448,
+	.alarm_rw	= 0x6540,
+	.alarm_ctrl	= 0x6546,
+	.alarm_ctrl2	= 0x6548,
+	.alarm_en	= BIT(7),
+};
+
 /*
  * Hardcoded RTC bases until IORESOURCE_REG mapping is figured out
  */
@@ -471,6 +481,7 @@ static const struct of_device_id pm8xxx_id_table[] = {
 	{ .compatible = "qcom,pm8058-rtc", .data = &pm8058_regs },
 	{ .compatible = "qcom,pm8941-rtc", .data = &pm8941_regs },
 	{ .compatible = "qcom,pmk8350-rtc", .data = &pmk8350_regs },
+	{ .compatible = "qcom,pm5100-rtc", .data = &pm5100_regs },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, pm8xxx_id_table);