diff options
Diffstat (limited to 'arch/arm/plat-tcc/include/mach/clock.h')
| -rw-r--r-- | arch/arm/plat-tcc/include/mach/clock.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/plat-tcc/include/mach/clock.h b/arch/arm/plat-tcc/include/mach/clock.h new file mode 100644 index 00000000000..a12f58ad71a --- /dev/null +++ b/arch/arm/plat-tcc/include/mach/clock.h | |||
| @@ -0,0 +1,48 @@ | |||
| 1 | /* | ||
| 2 | * Low level clock header file for Telechips TCC architecture | ||
| 3 | * (C) 2010 Hans J. Koch <hjk@linutronix.de> | ||
| 4 | * | ||
| 5 | * Licensed under the GPL v2. | ||
| 6 | */ | ||
| 7 | |||
| 8 | #ifndef __ASM_ARCH_TCC_CLOCK_H__ | ||
| 9 | #define __ASM_ARCH_TCC_CLOCK_H__ | ||
| 10 | |||
| 11 | #ifndef __ASSEMBLY__ | ||
| 12 | |||
| 13 | struct clk { | ||
| 14 | struct clk *parent; | ||
| 15 | /* id number of a root clock, 0 for normal clocks */ | ||
| 16 | int root_id; | ||
| 17 | /* Reference count of clock enable/disable */ | ||
| 18 | int refcount; | ||
| 19 | /* Address of associated BCLKCTRx register. Must be set. */ | ||
| 20 | void __iomem *bclkctr; | ||
| 21 | /* Bit position for BCLKCTRx. Must be set. */ | ||
| 22 | int bclk_shift; | ||
| 23 | /* Address of ACLKxxx register, if any. */ | ||
| 24 | void __iomem *aclkreg; | ||
| 25 | /* get the current clock rate (always a fresh value) */ | ||
| 26 | unsigned long (*get_rate) (struct clk *); | ||
| 27 | /* Function ptr to set the clock to a new rate. The rate must match a | ||
| 28 | supported rate returned from round_rate. Leave blank if clock is not | ||
| 29 | programmable */ | ||
| 30 | int (*set_rate) (struct clk *, unsigned long); | ||
| 31 | /* Function ptr to round the requested clock rate to the nearest | ||
| 32 | supported rate that is less than or equal to the requested rate. */ | ||
| 33 | unsigned long (*round_rate) (struct clk *, unsigned long); | ||
| 34 | /* Function ptr to enable the clock. Leave blank if clock can not | ||
| 35 | be gated. */ | ||
| 36 | int (*enable) (struct clk *); | ||
| 37 | /* Function ptr to disable the clock. Leave blank if clock can not | ||
| 38 | be gated. */ | ||
| 39 | void (*disable) (struct clk *); | ||
| 40 | /* Function ptr to set the parent clock of the clock. */ | ||
| 41 | int (*set_parent) (struct clk *, struct clk *); | ||
| 42 | }; | ||
| 43 | |||
| 44 | int clk_register(struct clk *clk); | ||
| 45 | void clk_unregister(struct clk *clk); | ||
| 46 | |||
| 47 | #endif /* __ASSEMBLY__ */ | ||
| 48 | #endif /* __ASM_ARCH_MXC_CLOCK_H__ */ | ||
