diff options
Diffstat (limited to 'arch/arm/plat-mxs/include/mach/clock.h')
| -rw-r--r-- | arch/arm/plat-mxs/include/mach/clock.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/arch/arm/plat-mxs/include/mach/clock.h b/arch/arm/plat-mxs/include/mach/clock.h index 744a031b42b6..b506468976b5 100644 --- a/arch/arm/plat-mxs/include/mach/clock.h +++ b/arch/arm/plat-mxs/include/mach/clock.h @@ -30,11 +30,12 @@ struct clk { struct clk *secondary; unsigned long flags; - __s8 ref; + int ref; unsigned int scale_bits; unsigned int enable_bits; unsigned int bypass_bits; unsigned int busy_bits; + unsigned int xtal_busy_bits; unsigned int wait:1; unsigned int invert:1; @@ -71,16 +72,24 @@ struct clk { void (*disable) (struct clk *); /* Function ptr to set the parent clock of the clock. */ int (*set_parent) (struct clk *, struct clk *); + + /* Function ptr to change the parent clock depending + * the system configuration at that time. Will only + * change the parent clock if the ref count is 0 (the clock + * is not being used) + */ + int (*set_sys_dependent_parent) (struct clk *); + }; int clk_get_usecount(struct clk *clk); extern int clk_register(struct clk_lookup *lookup); extern void clk_unregister(struct clk_lookup *lookup); -static inline int clk_is_busy(struct clk *clk) -{ - return __raw_readl(clk->busy_reg) & (1 << clk->busy_bits); -} +bool clk_enable_h_autoslow(bool enable); +void clk_set_h_autoslow_flags(u16 mask); +void clk_en_public_h_asm_ctrl(bool (*enable_func)(bool), + void (*set_func)(u16)); struct mxs_emi_scaling_data { u32 emi_div; @@ -89,6 +98,8 @@ struct mxs_emi_scaling_data { u32 new_freq; }; + + #ifdef CONFIG_MXS_RAM_FREQ_SCALING extern int mxs_ram_freq_scale(struct mxs_emi_scaling_data *); extern u32 mxs_ram_funcs_sz; |