diff options
Diffstat (limited to 'include/linux/clk.h')
| -rw-r--r-- | include/linux/clk.h | 99 |
1 files changed, 95 insertions, 4 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h index ffc1ac8489..9bee204652 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/spinlock.h> #include <linux/stringify.h> +#include <xfuncs.h> struct device_d; @@ -449,6 +450,10 @@ struct clk *clk_register_fixed_rate(const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate); +struct clk_hw *clk_hw_register_fixed_rate(struct device_d *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned long rate); + static inline struct clk *clk_fixed(const char *name, int rate) { return clk_register_fixed_rate(name, NULL, 0, rate); @@ -519,6 +524,17 @@ struct clk *clk_register_divider_table(struct device_d *dev, const char *name, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock); +struct clk_hw *clk_hw_register_divider_table(struct device_d *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_hw *clk_hw_register_divider(struct device_d *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_fixed_factor { struct clk_hw hw; int mult; @@ -540,6 +556,10 @@ struct clk *clk_register_fixed_factor(struct device_d *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); +struct clk_hw *clk_hw_register_fixed_factor(struct device_d *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div); + /** * struct clk_fractional_divider - adjustable fractional divider clock * @@ -600,6 +620,7 @@ struct clk_mux { int shift; int width; unsigned flags; + u32 *table; spinlock_t *lock; }; @@ -622,6 +643,35 @@ struct clk *clk_register_mux(struct device_d *dev, const char *name, void __iomem *reg, u8 shift, u8 width, u8 clk_mux_flags, spinlock_t *lock); +struct clk_hw *__clk_hw_register_mux(struct device_d *dev, + const char *name, u8 num_parents, + const char * const *parent_names, + unsigned long flags, void __iomem *reg, u8 shift, u32 mask, + u8 clk_mux_flags, u32 *table, spinlock_t *lock); + +#define clk_hw_register_mux(dev, name, parent_names, \ + num_parents, flags, reg, shift, mask, \ + clk_mux_flags, lock) \ + __clk_hw_register_mux((dev), (name), (num_parents), \ + (parent_names), \ + (flags), (reg), (shift), (mask), \ + (clk_mux_flags), NULL, (lock)) + +#define clk_hw_register_mux_table(dev, name, parent_names, num_parents, \ + flags, reg, shift, mask, clk_mux_flags, \ + table, lock) \ + __clk_hw_register_mux((dev), (name), (num_parents), \ + (parent_names), (flags), (reg), \ + (shift), (mask), (clk_mux_flags), (table), \ + (lock)) + +int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags, + unsigned int val); +unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index); + +long clk_mux_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate); + struct clk_gate { struct clk_hw hw; void __iomem *reg; @@ -652,6 +702,16 @@ struct clk *clk_register_gate(struct device_d *dev, const char *name, void __iomem *reg, u8 bit_idx, u8 clk_gate_flags, spinlock_t *lock); +static inline struct clk_hw *clk_hw_register_gate(struct device_d *dev, + const char *name, const char *parent_name, + unsigned long flags, void __iomem *reg, u8 bit_idx, + u8 clk_gate_flags, spinlock_t *lock) +{ + return clk_to_clk_hw(clk_register_gate(dev, xstrdup(name), xstrdup(parent_name), + flags, reg, bit_idx, + clk_gate_flags, lock)); +} + int clk_is_enabled(struct clk *clk); int clk_hw_is_enabled(struct clk_hw *hw); @@ -664,6 +724,11 @@ int clk_parent_set_rate(struct clk_hw *hw, unsigned long rate, int bclk_register(struct clk *clk); struct clk *clk_register(struct device_d *dev, struct clk_hw *hw); +static inline int clk_hw_register(struct device_d *dev, struct clk_hw *hw) +{ + return PTR_ERR_OR_ZERO(clk_register(dev, hw)); +} + struct clk *clk_lookup(const char *name); void clk_dump(int verbose); @@ -676,11 +741,29 @@ struct clk *clk_register_composite(const char *name, struct clk *gate_clk, unsigned long flags); +struct clk_hw *clk_hw_register_composite(struct device_d *dev, + const char *name, const char * const *parent_names, + int num_parents, + struct clk_hw *mux_hw, const struct clk_ops *mux_ops, + struct clk_hw *rate_hw, const struct clk_ops *rate_ops, + struct clk_hw *gate_hw, const struct clk_ops *gate_ops, + unsigned long flags); + static inline const char *clk_hw_get_name(struct clk_hw *hw) { return hw->clk.name; } +static inline unsigned int clk_hw_get_num_parents(const struct clk_hw *hw) +{ + return hw->clk.num_parents; +} + +static inline unsigned long clk_hw_get_flags(const struct clk_hw *hw) +{ + return hw->clk.flags; +} + int clk_name_set_parent(const char *clkname, const char *clkparentname); int clk_name_set_rate(const char *clkname, unsigned long rate); @@ -721,10 +804,10 @@ int of_clk_add_provider(struct device_node *np, void *data), void *data); -static inline unsigned int clk_hw_get_num_parents(const struct clk_hw *hw) -{ - return hw->clk.num_parents; -} +int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*clk_hw_src_get)(struct of_phandle_args *clkspec, + void *data), + void *data); #else @@ -773,6 +856,14 @@ static inline int of_clk_add_provider(struct device_node *np, { return 0; } + +static inline int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*clk_hw_src_get)(struct of_phandle_args *clkspec, + void *data), + void *data) +{ + return 0; +} #endif #define CLK_OF_DECLARE_DRIVER(name, compat, fn) CLK_OF_DECLARE(name, compat, fn) |