Merge tag 'sunxi-clocks-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / include / linux / clk-provider.h

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index ec1581bd94cd6934c9811b2a5e1abadb50173ad2..be21af149f119394c68bd8018a8de39f2db067ee 100644 (file)
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -13,6 +13,7 @@
 
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/of.h>
 
 #ifdef CONFIG_COMMON_CLK
 
@@ -129,6 +130,14 @@ struct dentry;
  *             set then clock accuracy will be initialized to parent accuracy
  *             or 0 (perfect clock) if clock has no parent.
  *
+ * @get_phase: Queries the hardware to get the current phase of a clock.
+ *             Returned values are 0-359 degrees on success, negative
+ *             error codes on failure.
+ *
+ * @set_phase: Shift the phase this clock signal in degrees specified
+ *             by the second argument. Valid values for degrees are
+ *             0-359. Return 0 on success, otherwise -EERROR.
+ *
  * @init:      Perform platform-specific initialization magic.
  *             This is not not used by any of the basic clock types.
  *             Please consider other ways of solving initialization problems
@@ -177,6 +186,8 @@ struct clk_ops {
                                    unsigned long parent_rate, u8 index);
        unsigned long   (*recalc_accuracy)(struct clk_hw *hw,
                                           unsigned long parent_accuracy);
+       int             (*get_phase)(struct clk_hw *hw);
+       int             (*set_phase)(struct clk_hw *hw, int degrees);
        void            (*init)(struct clk_hw *hw);
        int             (*debug_init)(struct clk_hw *hw, struct dentry *dentry);
 };