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-rw-r--r--include/linux/clk.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index ba7e9eda4347..8381bbfbc308 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -314,6 +314,34 @@ int clk_set_rate(struct clk *clk, unsigned long rate);
bool clk_has_parent(struct clk *clk, struct clk *parent);
/**
+ * clk_set_rate_range - set a rate range for a clock source
+ * @clk: clock source
+ * @min: desired minimum clock rate in Hz, inclusive
+ * @max: desired maximum clock rate in Hz, inclusive
+ *
+ * Returns success (0) or negative errno.
+ */
+int clk_set_rate_range(struct clk *clk, unsigned long min, unsigned long max);
+
+/**
+ * clk_set_min_rate - set a minimum clock rate for a clock source
+ * @clk: clock source
+ * @rate: desired minimum clock rate in Hz, inclusive
+ *
+ * Returns success (0) or negative errno.
+ */
+int clk_set_min_rate(struct clk *clk, unsigned long rate);
+
+/**
+ * clk_set_max_rate - set a maximum clock rate for a clock source
+ * @clk: clock source
+ * @rate: desired maximum clock rate in Hz, inclusive
+ *
+ * Returns success (0) or negative errno.
+ */
+int clk_set_max_rate(struct clk *clk, unsigned long rate);
+
+/**
* clk_set_parent - set the parent clock source for this clock
* @clk: clock source
* @parent: parent clock source