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-rw-r--r--include/linux/clk-provider.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index f711be6e8c44..210a890008f9 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -399,6 +399,7 @@ struct clk_divider {
399 spinlock_t *lock; 399 spinlock_t *lock;
400}; 400};
401 401
402#define clk_div_mask(width) ((1 << (width)) - 1)
402#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw) 403#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
403 404
404#define CLK_DIVIDER_ONE_BASED BIT(0) 405#define CLK_DIVIDER_ONE_BASED BIT(0)
@@ -419,6 +420,10 @@ long divider_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent,
419 unsigned long rate, unsigned long *prate, 420 unsigned long rate, unsigned long *prate,
420 const struct clk_div_table *table, 421 const struct clk_div_table *table,
421 u8 width, unsigned long flags); 422 u8 width, unsigned long flags);
423long divider_ro_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent,
424 unsigned long rate, unsigned long *prate,
425 const struct clk_div_table *table, u8 width,
426 unsigned long flags, unsigned int val);
422int divider_get_val(unsigned long rate, unsigned long parent_rate, 427int divider_get_val(unsigned long rate, unsigned long parent_rate,
423 const struct clk_div_table *table, u8 width, 428 const struct clk_div_table *table, u8 width,
424 unsigned long flags); 429 unsigned long flags);
@@ -449,8 +454,9 @@ void clk_hw_unregister_divider(struct clk_hw *hw);
449 * 454 *
450 * @hw: handle between common and hardware-specific interfaces 455 * @hw: handle between common and hardware-specific interfaces
451 * @reg: register controlling multiplexer 456 * @reg: register controlling multiplexer
457 * @table: array of register values corresponding to the parent index
452 * @shift: shift to multiplexer bit field 458 * @shift: shift to multiplexer bit field
453 * @width: width of mutliplexer bit field 459 * @mask: mask of mutliplexer bit field
454 * @flags: hardware-specific flags 460 * @flags: hardware-specific flags
455 * @lock: register lock 461 * @lock: register lock
456 * 462 *
@@ -510,6 +516,10 @@ struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name,
510 void __iomem *reg, u8 shift, u32 mask, 516 void __iomem *reg, u8 shift, u32 mask,
511 u8 clk_mux_flags, u32 *table, spinlock_t *lock); 517 u8 clk_mux_flags, u32 *table, spinlock_t *lock);
512 518
519int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags,
520 unsigned int val);
521unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index);
522
513void clk_unregister_mux(struct clk *clk); 523void clk_unregister_mux(struct clk *clk);
514void clk_hw_unregister_mux(struct clk_hw *hw); 524void clk_hw_unregister_mux(struct clk_hw *hw);
515 525
@@ -774,6 +784,17 @@ static inline long divider_round_rate(struct clk_hw *hw, unsigned long rate,
774 rate, prate, table, width, flags); 784 rate, prate, table, width, flags);
775} 785}
776 786
787static inline long divider_ro_round_rate(struct clk_hw *hw, unsigned long rate,
788 unsigned long *prate,
789 const struct clk_div_table *table,
790 u8 width, unsigned long flags,
791 unsigned int val)
792{
793 return divider_ro_round_rate_parent(hw, clk_hw_get_parent(hw),
794 rate, prate, table, width, flags,
795 val);
796}
797
777/* 798/*
778 * FIXME clock api without lock protection 799 * FIXME clock api without lock protection
779 */ 800 */