X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fclk.h;h=c6a2713f624b778bc932f889d9fa1c6c648e3034;hb=d789a8259e3b3b77e3eb2b090373ab2cbc225629;hp=3336301815ff63a1513c09d20578631fbcf41399;hpb=d646420e29da43ad2e23105ec72fb18ee911d0fd;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/clk.h b/include/clk.h
index 3336301..c6a2713 100644
--- a/include/clk.h
+++ b/include/clk.h
@@ -9,6 +9,7 @@
 #define _CLK_H_
 
 #include <dm/ofnode.h>
+#include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 
@@ -92,7 +93,7 @@ int clk_get_by_index_platdata(struct udevice *dev, int index,
 			      struct phandle_1_arg *cells, struct clk *clk);
 
 /**
- * clock_get_by_index - Get/request a clock by integer index.
+ * clk_get_by_index - Get/request a clock by integer index.
  *
  * This looks up and requests a clock. The index is relative to the client
  * device; each device is assumed to have n clocks associated with it somehow,
@@ -109,7 +110,7 @@ int clk_get_by_index_platdata(struct udevice *dev, int index,
 int clk_get_by_index(struct udevice *dev, int index, struct clk *clk);
 
 /**
- * clock_get_by_index_nodev - Get/request a clock by integer index
+ * clk_get_by_index_nodev - Get/request a clock by integer index
  * without a device.
  *
  * This is a version of clk_get_by_index() that does not use a device.
@@ -123,7 +124,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk);
 int clk_get_by_index_nodev(ofnode node, int index, struct clk *clk);
 
 /**
- * clock_get_bulk - Get/request all clocks of a device.
+ * clk_get_bulk - Get/request all clocks of a device.
  *
  * This looks up and requests all clocks of the client device; each device is
  * assumed to have n clocks associated with it somehow, and this function finds
@@ -138,7 +139,7 @@ int clk_get_by_index_nodev(ofnode node, int index, struct clk *clk);
 int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk);
 
 /**
- * clock_get_by_name - Get/request a clock by name.
+ * clk_get_by_name - Get/request a clock by name.
  *
  * This looks up and requests a clock. The name is relative to the client
  * device; each device is assumed to have n clocks associated with it somehow,
@@ -168,7 +169,7 @@ int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk);
 int clk_get_by_name_nodev(ofnode node, const char *name, struct clk *clk);
 
 /**
- * clock_get_optional_nodev - Get/request an optinonal clock by name
+ * clk_get_optional_nodev - Get/request an optinonal clock by name
  *		without a device.
  * @node:	The client ofnode.
  * @name:	The name of the clock to request.
@@ -312,6 +313,7 @@ static inline int clk_release_bulk(struct clk_bulk *bulk)
 	return clk_release_all(bulk->clks, bulk->count);
 }
 
+#if CONFIG_IS_ENABLED(CLK)
 /**
  * clk_request - Request a clock by provider-specific ID.
  *
@@ -329,7 +331,7 @@ static inline int clk_release_bulk(struct clk_bulk *bulk)
 int clk_request(struct udevice *dev, struct clk *clk);
 
 /**
- * clock_free - Free a previously requested clock.
+ * clk_free - Free a previously requested clock.
  *
  * @clock:	A clock struct that was previously successfully requested by
  *		clk_request/get_by_*().
@@ -433,19 +435,6 @@ int clk_disable_bulk(struct clk_bulk *bulk);
  */
 bool clk_is_match(const struct clk *p, const struct clk *q);
 
-int soc_clk_dump(void);
-
-/**
- * clk_valid() - check if clk is valid
- *
- * @clk:	the clock to check
- * @return true if valid, or false
- */
-static inline bool clk_valid(struct clk *clk)
-{
-	return clk && !!clk->dev;
-}
-
 /**
  * clk_get_by_id() - Get the clock by its ID
  *
@@ -465,6 +454,93 @@ int clk_get_by_id(ulong id, struct clk **clkp);
  * @return true on binded, or false on no
  */
 bool clk_dev_binded(struct clk *clk);
+
+#else /* CONFIG_IS_ENABLED(CLK) */
+
+static inline int clk_request(struct udevice *dev, struct clk *clk)
+{
+	return -ENOSYS;
+}
+
+static inline int clk_free(struct clk *clk)
+{
+	return 0;
+}
+
+static inline ulong clk_get_rate(struct clk *clk)
+{
+	return -ENOSYS;
+}
+
+static inline struct clk *clk_get_parent(struct clk *clk)
+{
+	return ERR_PTR(-ENOSYS);
+}
+
+static inline long long clk_get_parent_rate(struct clk *clk)
+{
+	return -ENOSYS;
+}
+
+static inline ulong clk_set_rate(struct clk *clk, ulong rate)
+{
+	return -ENOSYS;
+}
+
+static inline int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	return -ENOSYS;
+}
+
+static inline int clk_enable(struct clk *clk)
+{
+	return 0;
+}
+
+static inline int clk_enable_bulk(struct clk_bulk *bulk)
+{
+	return 0;
+}
+
+static inline int clk_disable(struct clk *clk)
+{
+	return 0;
+}
+
+static inline int clk_disable_bulk(struct clk_bulk *bulk)
+{
+	return 0;
+}
+
+static inline bool clk_is_match(const struct clk *p, const struct clk *q)
+{
+	return false;
+}
+
+static inline int clk_get_by_id(ulong id, struct clk **clkp)
+{
+	return -ENOSYS;
+}
+
+static inline bool clk_dev_binded(struct clk *clk)
+{
+	return false;
+}
+#endif /* CONFIG_IS_ENABLED(CLK) */
+
+/**
+ * clk_valid() - check if clk is valid
+ *
+ * @clk:	the clock to check
+ * @return true if valid, or false
+ */
+static inline bool clk_valid(struct clk *clk)
+{
+	return clk && !!clk->dev;
+}
+
+int soc_clk_dump(void);
+
 #endif
 
 #define clk_prepare_enable(clk) clk_enable(clk)