diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
index 06db446ba71cb20d4c690e76b3dbd249b96e3c40..ab757b84daa7edab473d2ec907cb0da3386d0b0a 100644
--- a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
@@ -6,6 +6,7 @@ Required properties:
     * "samsung,s3c2416-rtc" - for controllers compatible with s3c2416 rtc.
     * "samsung,s3c2443-rtc" - for controllers compatible with s3c2443 rtc.
     * "samsung,s3c6410-rtc" - for controllers compatible with s3c6410 rtc.
+    * "samsung,exynos3250-rtc" - for controllers compatible with exynos3250 rtc.
 - reg: physical base address of the controller and length of memory mapped
   region.
 - interrupts: Two interrupt numbers to the cpu should be specified. First
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 0d9089228bb0681e77367f5bfab0f5df5bac0ab8..a6b1252c9941884a93dac49ed4c10c828ad0964d 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -38,6 +38,7 @@ struct s3c_rtc {
 
 	void __iomem *base;
 	struct clk *rtc_clk;
+	struct clk *rtc_src_clk;
 	bool enabled;
 
 	struct s3c_rtc_data *data;
@@ -54,6 +55,7 @@ struct s3c_rtc {
 
 struct s3c_rtc_data {
 	int max_user_freq;
+	bool needs_src_clk;
 
 	void (*irq_handler) (struct s3c_rtc *info, int mask);
 	void (*set_freq) (struct s3c_rtc *info, int freq);
@@ -73,10 +75,14 @@ static void s3c_rtc_alarm_clk_enable(struct s3c_rtc *info, bool enable)
 	if (enable) {
 		if (!info->enabled) {
 			clk_enable(info->rtc_clk);
+			if (info->data->needs_src_clk)
+				clk_enable(info->rtc_src_clk);
 			info->enabled = true;
 		}
 	} else {
 		if (info->enabled) {
+			if (info->data->needs_src_clk)
+				clk_disable(info->rtc_src_clk);
 			clk_disable(info->rtc_clk);
 			info->enabled = false;
 		}
@@ -114,12 +120,16 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled)
 	dev_dbg(info->dev, "%s: aie=%d\n", __func__, enabled);
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 	tmp = readb(info->base + S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN;
 
 	if (enabled)
 		tmp |= S3C2410_RTCALM_ALMEN;
 
 	writeb(tmp, info->base + S3C2410_RTCALM);
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	s3c_rtc_alarm_clk_enable(info, enabled);
@@ -134,12 +144,16 @@ static int s3c_rtc_setfreq(struct s3c_rtc *info, int freq)
 		return -EINVAL;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 	spin_lock_irq(&info->pie_lock);
 
 	if (info->data->set_freq)
 		info->data->set_freq(info, freq);
 
 	spin_unlock_irq(&info->pie_lock);
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -152,6 +166,9 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 	unsigned int have_retried = 0;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
+
  retry_get_time:
 	rtc_tm->tm_min  = readb(info->base + S3C2410_RTCMIN);
 	rtc_tm->tm_hour = readb(info->base + S3C2410_RTCHOUR);
@@ -185,6 +202,8 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 
 	rtc_tm->tm_mon -= 1;
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return rtc_valid_tm(rtc_tm);
@@ -207,6 +226,8 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 	}
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	writeb(bin2bcd(tm->tm_sec),  info->base + S3C2410_RTCSEC);
 	writeb(bin2bcd(tm->tm_min),  info->base + S3C2410_RTCMIN);
@@ -215,6 +236,8 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 	writeb(bin2bcd(tm->tm_mon + 1), info->base + S3C2410_RTCMON);
 	writeb(bin2bcd(year), info->base + S3C2410_RTCYEAR);
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -227,6 +250,9 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	unsigned int alm_en;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
+
 	alm_tm->tm_sec  = readb(info->base + S3C2410_ALMSEC);
 	alm_tm->tm_min  = readb(info->base + S3C2410_ALMMIN);
 	alm_tm->tm_hour = readb(info->base + S3C2410_ALMHOUR);
@@ -278,7 +304,10 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	else
 		alm_tm->tm_year = -1;
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
+
 	return 0;
 }
 
@@ -289,6 +318,9 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	unsigned int alrm_en;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
+
 	dev_dbg(dev, "s3c_rtc_setalarm: %d, %04d.%02d.%02d %02d:%02d:%02d\n",
 		 alrm->enabled,
 		 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
@@ -318,6 +350,8 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	s3c_rtc_setaie(dev, alrm->enabled);
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -328,10 +362,14 @@ static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
 	struct s3c_rtc *info = dev_get_drvdata(dev);
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	if (info->data->enable_tick)
 		info->data->enable_tick(info, seq);
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -351,6 +389,8 @@ static void s3c24xx_rtc_enable(struct s3c_rtc *info)
 	unsigned int con, tmp;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	con = readw(info->base + S3C2410_RTCCON);
 	/* re-enable the device, and check it is ok */
@@ -378,6 +418,8 @@ static void s3c24xx_rtc_enable(struct s3c_rtc *info)
 			info->base + S3C2410_RTCCON);
 	}
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 }
 
@@ -386,6 +428,8 @@ static void s3c24xx_rtc_disable(struct s3c_rtc *info)
 	unsigned int con;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	con = readw(info->base + S3C2410_RTCCON);
 	con &= ~S3C2410_RTCCON_RTCEN;
@@ -395,6 +439,8 @@ static void s3c24xx_rtc_disable(struct s3c_rtc *info)
 	con &= ~S3C2410_TICNT_ENABLE;
 	writeb(con, info->base + S3C2410_TICNT);
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 }
 
@@ -403,12 +449,16 @@ static void s3c6410_rtc_disable(struct s3c_rtc *info)
 	unsigned int con;
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	con = readw(info->base + S3C2410_RTCCON);
 	con &= ~S3C64XX_RTCCON_TICEN;
 	con &= ~S3C2410_RTCCON_RTCEN;
 	writew(con, info->base + S3C2410_RTCCON);
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 }
 
@@ -480,11 +530,19 @@ static int s3c_rtc_probe(struct platform_device *pdev)
 
 	info->rtc_clk = devm_clk_get(&pdev->dev, "rtc");
 	if (IS_ERR(info->rtc_clk)) {
-		dev_err(&pdev->dev, "failed to find rtc clock source\n");
+		dev_err(&pdev->dev, "failed to find rtc clock\n");
 		return PTR_ERR(info->rtc_clk);
 	}
 	clk_prepare_enable(info->rtc_clk);
 
+	info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src");
+	if (IS_ERR(info->rtc_src_clk)) {
+		dev_err(&pdev->dev, "failed to find rtc source clock\n");
+		return PTR_ERR(info->rtc_src_clk);
+	}
+	clk_prepare_enable(info->rtc_src_clk);
+
+
 	/* check to see if everything is setup correctly */
 	if (info->data->enable)
 		info->data->enable(info);
@@ -538,6 +596,8 @@ static int s3c_rtc_probe(struct platform_device *pdev)
 
 	s3c_rtc_setfreq(info, 1);
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -557,6 +617,8 @@ static int s3c_rtc_suspend(struct device *dev)
 	struct s3c_rtc *info = dev_get_drvdata(dev);
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	/* save TICNT for anyone using periodic interrupts */
 	if (info->data->save_tick_cnt)
@@ -572,6 +634,8 @@ static int s3c_rtc_suspend(struct device *dev)
 			dev_err(dev, "enable_irq_wake failed\n");
 	}
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -582,6 +646,8 @@ static int s3c_rtc_resume(struct device *dev)
 	struct s3c_rtc *info = dev_get_drvdata(dev);
 
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 
 	if (info->data->enable)
 		info->data->enable(info);
@@ -594,6 +660,8 @@ static int s3c_rtc_resume(struct device *dev)
 		info->wake_en = false;
 	}
 
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	return 0;
@@ -604,7 +672,11 @@ static SIMPLE_DEV_PM_OPS(s3c_rtc_pm_ops, s3c_rtc_suspend, s3c_rtc_resume);
 static void s3c24xx_rtc_irq(struct s3c_rtc *info, int mask)
 {
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 	rtc_update_irq(info->rtc, 1, RTC_AF | RTC_IRQF);
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	s3c_rtc_alarm_clk_enable(info, false);
@@ -613,8 +685,12 @@ static void s3c24xx_rtc_irq(struct s3c_rtc *info, int mask)
 static void s3c6410_rtc_irq(struct s3c_rtc *info, int mask)
 {
 	clk_enable(info->rtc_clk);
+	if (info->data->needs_src_clk)
+		clk_enable(info->rtc_src_clk);
 	rtc_update_irq(info->rtc, 1, RTC_AF | RTC_IRQF);
 	writeb(mask, info->base + S3C2410_INTP);
+	if (info->data->needs_src_clk)
+		clk_disable(info->rtc_src_clk);
 	clk_disable(info->rtc_clk);
 
 	s3c_rtc_alarm_clk_enable(info, false);
@@ -780,6 +856,18 @@ static struct s3c_rtc_data const s3c6410_rtc_data = {
 	.disable		= s3c6410_rtc_disable,
 };
 
+static struct s3c_rtc_data const exynos3250_rtc_data = {
+	.max_user_freq		= 32768,
+	.needs_src_clk		= true,
+	.irq_handler		= s3c6410_rtc_irq,
+	.set_freq		= s3c6410_rtc_setfreq,
+	.enable_tick		= s3c6410_rtc_enable_tick,
+	.save_tick_cnt		= s3c6410_rtc_save_tick_cnt,
+	.restore_tick_cnt	= s3c6410_rtc_restore_tick_cnt,
+	.enable			= s3c24xx_rtc_enable,
+	.disable		= s3c6410_rtc_disable,
+};
+
 static const struct of_device_id s3c_rtc_dt_match[] = {
 	{
 		.compatible = "samsung,s3c2410-rtc",
@@ -793,6 +881,9 @@ static const struct of_device_id s3c_rtc_dt_match[] = {
 	}, {
 		.compatible = "samsung,s3c6410-rtc",
 		.data = (void *)&s3c6410_rtc_data,
+	}, {
+		.compatible = "samsung,exynos3250-rtc",
+		.data = (void *)&exynos3250_rtc_data,
 	},
 	{ /* sentinel */ },
 };