diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c
index 8107fc0a2be5..77f21331ae21 100644
--- a/drivers/rtc/rtc-mcp795.c
+++ b/drivers/rtc/rtc-mcp795.c
@@ -44,12 +44,22 @@
 #define MCP795_REG_DAY		0x04
 #define MCP795_REG_MONTH	0x06
 #define MCP795_REG_CONTROL	0x08
+#define MCP795_REG_ALM0_SECONDS	0x0C
+#define MCP795_REG_ALM0_DAY	0x0F
 
 #define MCP795_ST_BIT		BIT(7)
 #define MCP795_24_BIT		BIT(6)
 #define MCP795_LP_BIT		BIT(5)
 #define MCP795_EXTOSC_BIT	BIT(3)
 #define MCP795_OSCON_BIT	BIT(5)
+#define MCP795_ALM0_BIT		BIT(4)
+#define MCP795_ALM1_BIT		BIT(5)
+#define MCP795_ALM0IF_BIT	BIT(3)
+#define MCP795_ALM0C0_BIT	BIT(4)
+#define MCP795_ALM0C1_BIT	BIT(5)
+#define MCP795_ALM0C2_BIT	BIT(6)
+
+#define SEC_PER_DAY		(24 * 60 * 60)
 
 static int mcp795_rtcc_read(struct device *dev, u8 addr, u8 *buf, u8 count)
 {
@@ -150,6 +160,30 @@ static int mcp795_start_oscillator(struct device *dev, bool *extosc)
 			dev, MCP795_REG_SECONDS, MCP795_ST_BIT, MCP795_ST_BIT);
 }
 
+/* Enable or disable Alarm 0 in RTC */
+static int mcp795_update_alarm(struct device *dev, bool enable)
+{
+	int ret;
+
+	dev_dbg(dev, "%s alarm\n", enable ? "Enable" : "Disable");
+
+	if (enable) {
+		/* clear ALM0IF (Alarm 0 Interrupt Flag) bit */
+		ret = mcp795_rtcc_set_bits(dev, MCP795_REG_ALM0_DAY,
+					MCP795_ALM0IF_BIT, 0);
+		if (ret)
+			return ret;
+		/* enable alarm 0 */
+		ret = mcp795_rtcc_set_bits(dev, MCP795_REG_CONTROL,
+					MCP795_ALM0_BIT, MCP795_ALM0_BIT);
+	} else {
+		/* disable alarm 0 and alarm 1 */
+		ret = mcp795_rtcc_set_bits(dev, MCP795_REG_CONTROL,
+					MCP795_ALM0_BIT | MCP795_ALM1_BIT, 0);
+	}
+	return ret;
+}
+
 static int mcp795_set_time(struct device *dev, struct rtc_time *tim)
 {
 	int ret;
@@ -231,9 +265,127 @@ static int mcp795_read_time(struct device *dev, struct rtc_time *tim)
 	return rtc_valid_tm(tim);
 }
 
+static int mcp795_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
+{
+	struct rtc_time now_tm;
+	time64_t now;
+	time64_t later;
+	u8 tmp[6];
+	int ret;
+
+	/* Read current time from RTC hardware */
+	ret = mcp795_read_time(dev, &now_tm);
+	if (ret)
+		return ret;
+	/* Get the number of seconds since 1970 */
+	now = rtc_tm_to_time64(&now_tm);
+	later = rtc_tm_to_time64(&alm->time);
+	if (later <= now)
+		return -EINVAL;
+	/* make sure alarm fires within the next one year */
+	if ((later - now) >=
+		(SEC_PER_DAY * (365 + is_leap_year(alm->time.tm_year))))
+		return -EDOM;
+	/* disable alarm */
+	ret = mcp795_update_alarm(dev, false);
+	if (ret)
+		return ret;
+	/* Read registers, so we can leave configuration bits untouched */
+	ret = mcp795_rtcc_read(dev, MCP795_REG_ALM0_SECONDS, tmp, sizeof(tmp));
+	if (ret)
+		return ret;
+
+	alm->time.tm_year	= -1;
+	alm->time.tm_isdst	= -1;
+	alm->time.tm_yday	= -1;
+
+	tmp[0] = (tmp[0] & 0x80) | bin2bcd(alm->time.tm_sec);
+	tmp[1] = (tmp[1] & 0x80) | bin2bcd(alm->time.tm_min);
+	tmp[2] = (tmp[2] & 0xE0) | bin2bcd(alm->time.tm_hour);
+	tmp[3] = (tmp[3] & 0x80) | bin2bcd(alm->time.tm_wday + 1);
+	/* set alarm match: seconds, minutes, hour, day, date and month */
+	tmp[3] |= (MCP795_ALM0C2_BIT | MCP795_ALM0C1_BIT | MCP795_ALM0C0_BIT);
+	tmp[4] = (tmp[4] & 0xC0) | bin2bcd(alm->time.tm_mday);
+	tmp[5] = (tmp[5] & 0xE0) | bin2bcd(alm->time.tm_mon + 1);
+
+	ret = mcp795_rtcc_write(dev, MCP795_REG_ALM0_SECONDS, tmp, sizeof(tmp));
+	if (ret)
+		return ret;
+
+	/* enable alarm if requested */
+	if (alm->enabled) {
+		ret = mcp795_update_alarm(dev, true);
+		if (ret)
+			return ret;
+		dev_dbg(dev, "Alarm IRQ armed\n");
+	}
+	dev_dbg(dev, "Set alarm: %02d-%02d(%d) %02d:%02d:%02d\n",
+			alm->time.tm_mon, alm->time.tm_mday, alm->time.tm_wday,
+			alm->time.tm_hour, alm->time.tm_min, alm->time.tm_sec);
+	return 0;
+}
+
+static int mcp795_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
+{
+	u8 data[6];
+	int ret;
+
+	ret = mcp795_rtcc_read(
+			dev, MCP795_REG_ALM0_SECONDS, data, sizeof(data));
+	if (ret)
+		return ret;
+
+	alm->time.tm_sec	= bcd2bin(data[0] & 0x7F);
+	alm->time.tm_min	= bcd2bin(data[1] & 0x7F);
+	alm->time.tm_hour	= bcd2bin(data[2] & 0x1F);
+	alm->time.tm_wday	= bcd2bin(data[3] & 0x07) - 1;
+	alm->time.tm_mday	= bcd2bin(data[4] & 0x3F);
+	alm->time.tm_mon	= bcd2bin(data[5] & 0x1F) - 1;
+	alm->time.tm_year	= -1;
+	alm->time.tm_isdst	= -1;
+	alm->time.tm_yday	= -1;
+
+	dev_dbg(dev, "Read alarm: %02d-%02d(%d) %02d:%02d:%02d\n",
+			alm->time.tm_mon, alm->time.tm_mday, alm->time.tm_wday,
+			alm->time.tm_hour, alm->time.tm_min, alm->time.tm_sec);
+	return 0;
+}
+
+static int mcp795_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	return mcp795_update_alarm(dev, !!enabled);
+}
+
+static irqreturn_t mcp795_irq(int irq, void *data)
+{
+	struct spi_device *spi = data;
+	struct rtc_device *rtc = spi_get_drvdata(spi);
+	struct mutex *lock = &rtc->ops_lock;
+	int ret;
+
+	mutex_lock(lock);
+
+	/* Disable alarm.
+	 * There is no need to clear ALM0IF (Alarm 0 Interrupt Flag) bit,
+	 * because it is done every time when alarm is enabled.
+	 */
+	ret = mcp795_update_alarm(&spi->dev, false);
+	if (ret)
+		dev_err(&spi->dev,
+			"Failed to disable alarm in IRQ (ret=%d)\n", ret);
+	rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF);
+
+	mutex_unlock(lock);
+
+	return IRQ_HANDLED;
+}
+
 static const struct rtc_class_ops mcp795_rtc_ops = {
 		.read_time = mcp795_read_time,
-		.set_time = mcp795_set_time
+		.set_time = mcp795_set_time,
+		.read_alarm = mcp795_read_alarm,
+		.set_alarm = mcp795_set_alarm,
+		.alarm_irq_enable = mcp795_alarm_irq_enable
 };
 
 static int mcp795_probe(struct spi_device *spi)
@@ -261,6 +413,23 @@ static int mcp795_probe(struct spi_device *spi)
 
 	spi_set_drvdata(spi, rtc);
 
+	if (spi->irq > 0) {
+		dev_dbg(&spi->dev, "Alarm support enabled\n");
+
+		/* Clear any pending alarm (ALM0IF bit) before requesting
+		 * the interrupt.
+		 */
+		mcp795_rtcc_set_bits(&spi->dev, MCP795_REG_ALM0_DAY,
+					MCP795_ALM0IF_BIT, 0);
+		ret = devm_request_threaded_irq(&spi->dev, spi->irq, NULL,
+				mcp795_irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				dev_name(&rtc->dev), spi);
+		if (ret)
+			dev_err(&spi->dev, "Failed to request IRQ: %d: %d\n",
+						spi->irq, ret);
+		else
+			device_init_wakeup(&spi->dev, true);
+	}
 	return 0;
 }