3 files changed, 46 insertions, 3 deletions

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 12f13b0673af..17dd6e9439d1 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -175,9 +175,12 @@ struct clk_ops {
                                         unsigned long parent_rate);
         long            (*round_rate)(struct clk_hw *hw, unsigned long rate,
                                         unsigned long *parent_rate);
-        long            (*determine_rate)(struct clk_hw *hw, unsigned long rate,
-                                        unsigned long *best_parent_rate,
-                                        struct clk_hw **best_parent_hw);
+        long            (*determine_rate)(struct clk_hw *hw,
+                                          unsigned long rate,
+                                          unsigned long min_rate,
+                                          unsigned long max_rate,
+                                          unsigned long *best_parent_rate,
+                                          struct clk_hw **best_parent_hw);
         int             (*set_parent)(struct clk_hw *hw, u8 index);
         u8              (*get_parent)(struct clk_hw *hw);
         int             (*set_rate)(struct clk_hw *hw, unsigned long rate,
@@ -573,9 +576,17 @@ bool __clk_is_prepared(struct clk *clk);
 bool __clk_is_enabled(struct clk *clk);
 struct clk *__clk_lookup(const char *name);
 long __clk_mux_determine_rate(struct clk_hw *hw, unsigned long rate,
+                              unsigned long min_rate,
+                              unsigned long max_rate,
                               unsigned long *best_parent_rate,
                               struct clk_hw **best_parent_p);
+unsigned long __clk_determine_rate(struct clk_hw *core,
+                                   unsigned long rate,
+                                   unsigned long min_rate,
+                                   unsigned long max_rate);
 long __clk_mux_determine_rate_closest(struct clk_hw *hw, unsigned long rate,
+                              unsigned long min_rate,
+                              unsigned long max_rate,
                               unsigned long *best_parent_rate,
                               struct clk_hw **best_parent_p);
 
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
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index 310122dcd9b5..0eac65054283 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -271,6 +271,8 @@ int omap3_noncore_dpll_set_rate_and_parent(struct clk_hw *hw,
                                            u8 index);
 long omap3_noncore_dpll_determine_rate(struct clk_hw *hw,
                                        unsigned long rate,
+                                       unsigned long min_rate,
+                                       unsigned long max_rate,
                                        unsigned long *best_parent_rate,
                                        struct clk_hw **best_parent_clk);
 unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw,
@@ -280,6 +282,8 @@ long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw,
                                     unsigned long *parent_rate);
 long omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
                                         unsigned long rate,
+                                        unsigned long min_rate,
+                                        unsigned long max_rate,
                                         unsigned long *best_parent_rate,
                                         struct clk_hw **best_parent_clk);
 u8 omap2_init_dpll_parent(struct clk_hw *hw);