diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 701b6cc0f9a3..b75ba780f902 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -75,10 +75,14 @@ struct sdhci_arasan_soc_ctl_map {
  * struct sdhci_arasan_clk_data
  * @sdcardclk_hw:	Struct for the clock we might provide to a PHY.
  * @sdcardclk:		Pointer to normal 'struct clock' for sdcardclk_hw.
+ * @sampleclk_hw:	Struct for the clock we might provide to a PHY.
+ * @sampleclk:		Pointer to normal 'struct clock' for sampleclk_hw.
  */
 struct sdhci_arasan_clk_data {
 	struct clk_hw	sdcardclk_hw;
 	struct clk      *sdcardclk;
+	struct clk_hw	sampleclk_hw;
+	struct clk      *sampleclk;
 };
 
 /**
@@ -541,6 +545,33 @@ static const struct clk_ops arasan_sdcardclk_ops = {
 	.recalc_rate = sdhci_arasan_sdcardclk_recalc_rate,
 };
 
+/**
+ * sdhci_arasan_sampleclk_recalc_rate - Return the sampling clock rate
+ *
+ * Return the current actual rate of the sampling clock.  This can be used
+ * to communicate with out PHY.
+ *
+ * @hw:			Pointer to the hardware clock structure.
+ * @parent_rate		The parent rate (should be rate of clk_xin).
+ * Returns the sample clock rate.
+ */
+static unsigned long sdhci_arasan_sampleclk_recalc_rate(struct clk_hw *hw,
+						      unsigned long parent_rate)
+
+{
+	struct sdhci_arasan_clk_data *clk_data =
+		container_of(hw, struct sdhci_arasan_clk_data, sampleclk_hw);
+	struct sdhci_arasan_data *sdhci_arasan =
+		container_of(clk_data, struct sdhci_arasan_data, clk_data);
+	struct sdhci_host *host = sdhci_arasan->host;
+
+	return host->mmc->actual_clock;
+}
+
+static const struct clk_ops arasan_sampleclk_ops = {
+	.recalc_rate = sdhci_arasan_sampleclk_recalc_rate,
+};
+
 /**
  * sdhci_arasan_update_clockmultiplier - Set corecfg_clockmultiplier
  *
@@ -620,28 +651,21 @@ static void sdhci_arasan_update_baseclkfreq(struct sdhci_host *host)
 }
 
 /**
- * sdhci_arasan_register_sdclk - Register the sdclk for a PHY to use
+ * sdhci_arasan_register_sdcardclk - Register the sdcardclk for a PHY to use
  *
  * Some PHY devices need to know what the actual card clock is.  In order for
  * them to find out, we'll provide a clock through the common clock framework
  * for them to query.
  *
- * Note: without seriously re-architecting SDHCI's clock code and testing on
- * all platforms, there's no way to create a totally beautiful clock here
- * with all clock ops implemented.  Instead, we'll just create a clock that can
- * be queried and set the CLK_GET_RATE_NOCACHE attribute to tell common clock
- * framework that we're doing things behind its back.  This should be sufficient
- * to create nice clean device tree bindings and later (if needed) we can try
- * re-architecting SDHCI if we see some benefit to it.
- *
  * @sdhci_arasan:	Our private data structure.
  * @clk_xin:		Pointer to the functional clock
  * @dev:		Pointer to our struct device.
  * Returns 0 on success and error value on error
  */
-static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
-				       struct clk *clk_xin,
-				       struct device *dev)
+static int
+sdhci_arasan_register_sdcardclk(struct sdhci_arasan_data *sdhci_arasan,
+				struct clk *clk_xin,
+				struct device *dev)
 {
 	struct sdhci_arasan_clk_data *clk_data = &sdhci_arasan->clk_data;
 	struct device_node *np = dev->of_node;
@@ -649,10 +673,6 @@ static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
 	const char *parent_clk_name;
 	int ret;
 
-	/* Providing a clock to the PHY is optional; no error if missing */
-	if (!of_find_property(np, "#clock-cells", NULL))
-		return 0;
-
 	ret = of_property_read_string_index(np, "clock-output-names", 0,
 					    &sdcardclk_init.name);
 	if (ret) {
@@ -674,7 +694,56 @@ static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
 	ret = of_clk_add_provider(np, of_clk_src_simple_get,
 				  clk_data->sdcardclk);
 	if (ret)
-		dev_err(dev, "Failed to add clock provider\n");
+		dev_err(dev, "Failed to add sdcard clock provider\n");
+
+	return ret;
+}
+
+/**
+ * sdhci_arasan_register_sampleclk - Register the sampleclk for a PHY to use
+ *
+ * Some PHY devices need to know what the actual card clock is.  In order for
+ * them to find out, we'll provide a clock through the common clock framework
+ * for them to query.
+ *
+ * @sdhci_arasan:	Our private data structure.
+ * @clk_xin:		Pointer to the functional clock
+ * @dev:		Pointer to our struct device.
+ * Returns 0 on success and error value on error
+ */
+static int
+sdhci_arasan_register_sampleclk(struct sdhci_arasan_data *sdhci_arasan,
+				struct clk *clk_xin,
+				struct device *dev)
+{
+	struct sdhci_arasan_clk_data *clk_data = &sdhci_arasan->clk_data;
+	struct device_node *np = dev->of_node;
+	struct clk_init_data sampleclk_init;
+	const char *parent_clk_name;
+	int ret;
+
+	ret = of_property_read_string_index(np, "clock-output-names", 1,
+					    &sampleclk_init.name);
+	if (ret) {
+		dev_err(dev, "DT has #clock-cells but no clock-output-names\n");
+		return ret;
+	}
+
+	parent_clk_name = __clk_get_name(clk_xin);
+	sampleclk_init.parent_names = &parent_clk_name;
+	sampleclk_init.num_parents = 1;
+	sampleclk_init.flags = CLK_GET_RATE_NOCACHE;
+	sampleclk_init.ops = &arasan_sampleclk_ops;
+
+	clk_data->sampleclk_hw.init = &sampleclk_init;
+	clk_data->sampleclk =
+		devm_clk_register(dev, &clk_data->sampleclk_hw);
+	clk_data->sampleclk_hw.init = NULL;
+
+	ret = of_clk_add_provider(np, of_clk_src_simple_get,
+				  clk_data->sampleclk);
+	if (ret)
+		dev_err(dev, "Failed to add sample clock provider\n");
 
 	return ret;
 }
@@ -697,6 +766,54 @@ static void sdhci_arasan_unregister_sdclk(struct device *dev)
 	of_clk_del_provider(dev->of_node);
 }
 
+/**
+ * sdhci_arasan_register_sdclk - Register the sdcardclk for a PHY to use
+ *
+ * Some PHY devices need to know what the actual card clock is.  In order for
+ * them to find out, we'll provide a clock through the common clock framework
+ * for them to query.
+ *
+ * Note: without seriously re-architecting SDHCI's clock code and testing on
+ * all platforms, there's no way to create a totally beautiful clock here
+ * with all clock ops implemented.  Instead, we'll just create a clock that can
+ * be queried and set the CLK_GET_RATE_NOCACHE attribute to tell common clock
+ * framework that we're doing things behind its back.  This should be sufficient
+ * to create nice clean device tree bindings and later (if needed) we can try
+ * re-architecting SDHCI if we see some benefit to it.
+ *
+ * @sdhci_arasan:	Our private data structure.
+ * @clk_xin:		Pointer to the functional clock
+ * @dev:		Pointer to our struct device.
+ * Returns 0 on success and error value on error
+ */
+static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
+				       struct clk *clk_xin,
+				       struct device *dev)
+{
+	struct device_node *np = dev->of_node;
+	u32 num_clks = 0;
+	int ret;
+
+	/* Providing a clock to the PHY is optional; no error if missing */
+	if (of_property_read_u32(np, "#clock-cells", &num_clks) < 0)
+		return 0;
+
+	ret = sdhci_arasan_register_sdcardclk(sdhci_arasan, clk_xin, dev);
+	if (ret)
+		return ret;
+
+	if (num_clks) {
+		ret = sdhci_arasan_register_sampleclk(sdhci_arasan, clk_xin,
+						      dev);
+		if (ret) {
+			sdhci_arasan_unregister_sdclk(dev);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
 static int sdhci_arasan_add_host(struct sdhci_arasan_data *sdhci_arasan)
 {
 	struct sdhci_host *host = sdhci_arasan->host;
