clk-divider.c File Reference

#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/string.h>

Go to the source code of this file.

Macros
#define	to_clk_divider(_hw)   container_of(_hw, struct clk_divider, hw)
#define	div_mask(d)   ((1 << (d->width)) - 1)
#define	is_power_of_two(i)   !(i & ~i)
#define	MULT_ROUND_UP(r, m)   ((r) * (m) + (m) - 1)

Functions
	EXPORT_SYMBOL_GPL (clk_divider_ops)
: name of this clock
clk_register_divider_table - register a table based divider clock with the clock framework : device registering this clock : name of clock's parent : framework-specific flags : register address to adjust divider : number of bits to shift the bitfield : width of the bitfield : divider-specific flags for this clock : array of divider/value pairs ending with a div set to 0 : shared register lock for this clock
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)

Variables
struct clk_ops	clk_divider_ops

Macro Definition Documentation

#define div_mask

(

d

)

((1 << (d->width)) - 1)

Definition at line 32 of file clk-divider.c.

#define is_power_of_two

(

i

)

!(i & ~i)

Definition at line 33 of file clk-divider.c.

#define MULT_ROUND_UP	(		r,
			m
	)		((r) * (m) + (m) - 1)

Definition at line 124 of file clk-divider.c.

#define to_clk_divider

(

_hw

)

container_of(_hw, struct clk_divider, hw)

Definition at line 30 of file clk-divider.c.

Function Documentation

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  )

read

Definition at line 290 of file clk-divider.c.

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  )

read

Definition at line 313 of file clk-divider.c.

EXPORT_SYMBOL_GPL

(

clk_divider_ops

)

Variable Documentation

struct clk_ops clk_divider_ops

Initial value:

= {
    .recalc_rate = clk_divider_recalc_rate,
    .round_rate = clk_divider_round_rate,
    .set_rate = clk_divider_set_rate,
}

Definition at line 230 of file clk-divider.c.