Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux

Pull common clk framework changes from Michael Turquette:
 "This includes a small number of core framework improvments, platform
  ports and new DT bindings."

Fix up trivial conflicts in drivers/clk/Makefile

* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (21 commits)
  clk: fix compile for OF && !COMMON_CLK
  clk: fix clk_get on of_clk_get_by_name return check
  clk: mxs: clk_register_clkdev mx28 usb clocks
  clk: add highbank clock support
  dt: add clock binding doc to primecell bindings
  clk: add DT fixed-clock binding support
  clk: add DT clock binding support
  ARM: integrator: convert to common clock
  clk: add versatile ICST307 driver
  ARM: integrator: put symbolic bus names on devices
  ARM: u300: convert to common clock
  clk: cache parent clocks only for muxes
  clk: wm831x: Add initial WM831x clock driver
  clk: Constify struct clk_init_data
  clk: Add CLK_IS_BASIC flag to identify basic clocks
  clk: Add support for rate table based dividers
  clk: Add support for power of two type dividers
  clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3
  clk: mxs: add clkdev lookup for pwm
  clk: mxs: Fix the GPMI clock name
  ...

5 files changed, 71 insertions, 4 deletions

diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
index eb3f84bc5325..9c7f5807824b 100644
--- a/include/linux/clk-private.h
+++ b/include/linux/clk-private.h
@@ -64,7 +64,7 @@ struct clk {
 		.parent_names = _parent_names,			\
 		.num_parents = ARRAY_SIZE(_parent_names),	\
 		.parents = _parents,				\
-		.flags = _flags,				\
+		.flags = _flags | CLK_IS_BASIC,			\
 	}
 
 #define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate,		\
@@ -103,9 +103,9 @@ struct clk {
 	DEFINE_CLK(_name, clk_gate_ops, _flags,			\
 			_name##_parent_names, _name##_parents);
 
-#define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr,	\
+#define _DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr,	\
 				_flags, _reg, _shift, _width,	\
-				_divider_flags, _lock)		\
+				_divider_flags, _table, _lock)	\
 	static struct clk _name;				\
 	static const char *_name##_parent_names[] = {		\
 		_parent_name,					\
@@ -121,11 +121,27 @@ struct clk {
 		.shift = _shift,				\
 		.width = _width,				\
 		.flags = _divider_flags,			\
+		.table = _table,				\
 		.lock = _lock,					\
 	};							\
 	DEFINE_CLK(_name, clk_divider_ops, _flags,		\
 			_name##_parent_names, _name##_parents);
 
+#define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr,	\
+				_flags, _reg, _shift, _width,	\
+				_divider_flags, _lock)		\
+	_DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr,	\
+				_flags, _reg, _shift, _width,	\
+				_divider_flags, NULL, _lock)
+
+#define DEFINE_CLK_DIVIDER_TABLE(_name, _parent_name,		\
+				_parent_ptr, _flags, _reg,	\
+				_shift, _width, _divider_flags,	\
+				_table, _lock)			\
+	_DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr,	\
+				_flags, _reg, _shift, _width,	\
+				_divider_flags, _table, _lock)	\
+
 #define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags,	\
 				_reg, _shift, _width,		\
 				_mux_flags, _lock)		\
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 4a0b483986c3..77335fac943e 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -25,6 +25,7 @@
 #define CLK_SET_RATE_PARENT	BIT(2) /* propagate rate change up one level */
 #define CLK_IGNORE_UNUSED	BIT(3) /* do not gate even if unused */
 #define CLK_IS_ROOT		BIT(4) /* root clk, has no parent */
+#define CLK_IS_BASIC		BIT(5) /* Basic clk, can't do a to_clk_foo() */
 
 struct clk_hw;
 
@@ -143,7 +144,7 @@ struct clk_init_data {
  */
 struct clk_hw {
 	struct clk *clk;
-	struct clk_init_data *init;
+	const struct clk_init_data *init;
 };
 
 /*
@@ -171,6 +172,8 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		unsigned long fixed_rate);
 
+void of_fixed_clk_setup(struct device_node *np);
+
 /**
  * struct clk_gate - gating clock
  *
@@ -203,6 +206,11 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 		void __iomem *reg, u8 bit_idx,
 		u8 clk_gate_flags, spinlock_t *lock);
 
+struct clk_div_table {
+	unsigned int	val;
+	unsigned int	div;
+};
+
 /**
  * struct clk_divider - adjustable divider clock
  *
@@ -210,6 +218,7 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
  * @reg:	register containing the divider
  * @shift:	shift to the divider bit field
  * @width:	width of the divider bit field
+ * @table:	array of value/divider pairs, last entry should have div = 0
  * @lock:	register lock
  *
  * Clock with an adjustable divider affecting its output frequency.  Implements
@@ -229,6 +238,7 @@ struct clk_divider {
 	u8		shift;
 	u8		width;
 	u8		flags;
+	const struct clk_div_table	*table;
 	spinlock_t	*lock;
 };
 
@@ -240,6 +250,11 @@ struct clk *clk_register_divider(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_divider_flags, spinlock_t *lock);
+struct clk *clk_register_divider_table(struct device *dev, const char *name,
+		const char *parent_name, unsigned long flags,
+		void __iomem *reg, u8 shift, u8 width,
+		u8 clk_divider_flags, const struct clk_div_table *table,
+		spinlock_t *lock);
 
 /**
  * struct clk_mux - multiplexer clock
@@ -334,5 +349,19 @@ void __clk_unprepare(struct clk *clk);
 void __clk_reparent(struct clk *clk, struct clk *new_parent);
 unsigned long __clk_round_rate(struct clk *clk, unsigned long rate);
 
+struct of_device_id;
+
+typedef void (*of_clk_init_cb_t)(struct device_node *);
+
+int of_clk_add_provider(struct device_node *np,
+			struct clk *(*clk_src_get)(struct of_phandle_args *args,
+						   void *data),
+			void *data);
+void of_clk_del_provider(struct device_node *np);
+struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,
+				  void *data);
+const char *of_clk_get_parent_name(struct device_node *np, int index);
+void of_clk_init(const struct of_device_id *matches);
+
 #endif /* CONFIG_COMMON_CLK */
 #endif /* CLK_PROVIDER_H */
diff --git a/include/linux/clk.h b/include/linux/clk.h
index f6fb40c8bf97..2fd6a4234531 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -12,6 +12,7 @@
 #ifndef __LINUX_CLK_H
 #define __LINUX_CLK_H
 
+#include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/notifier.h>
 
@@ -310,4 +311,23 @@ struct clk *clk_get_sys(const char *dev_id, const char *con_id);
 int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
 			struct device *dev);
 
+struct device_node;
+struct of_phandle_args;
+
+#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
+struct clk *of_clk_get(struct device_node *np, int index);
+struct clk *of_clk_get_by_name(struct device_node *np, const char *name);
+struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec);
+#else
+static inline struct clk *of_clk_get(struct device_node *np, int index)
+{
+	return ERR_PTR(-ENOENT);
+}
+static inline struct clk *of_clk_get_by_name(struct device_node *np,
+					     const char *name)
+{
+	return ERR_PTR(-ENOENT);
+}
+#endif
+
 #endif
diff --git a/include/linux/platform_data/clk-integrator.h b/include/linux/platform_data/clk-integrator.h
new file mode 100644
index 000000000000..83fe9c283bb8
--- /dev/null
+++ b/include/linux/platform_data/clk-integrator.h
@@ -0,0 +1 @@
+void integrator_clk_init(bool is_cp);
diff --git a/include/linux/platform_data/clk-u300.h b/include/linux/platform_data/clk-u300.h
new file mode 100644
index 000000000000..8429e73911a1
--- /dev/null
+++ b/include/linux/platform_data/clk-u300.h
@@ -0,0 +1 @@
+void __init u300_clk_init(void __iomem *base);