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- /*
- * Low level clock header file for Telechips TCC architecture
- * (C) 2010 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the GPL v2.
- */
- #ifndef __ASM_ARCH_TCC_CLOCK_H__
- #define __ASM_ARCH_TCC_CLOCK_H__
- #ifndef __ASSEMBLY__
- struct clk {
- struct clk *parent;
- /* id number of a root clock, 0 for normal clocks */
- int root_id;
- /* Reference count of clock enable/disable */
- int refcount;
- /* Address of associated BCLKCTRx register. Must be set. */
- void __iomem *bclkctr;
- /* Bit position for BCLKCTRx. Must be set. */
- int bclk_shift;
- /* Address of ACLKxxx register, if any. */
- void __iomem *aclkreg;
- /* get the current clock rate (always a fresh value) */
- unsigned long (*get_rate) (struct clk *);
- /* Function ptr to set the clock to a new rate. The rate must match a
- supported rate returned from round_rate. Leave blank if clock is not
- programmable */
- int (*set_rate) (struct clk *, unsigned long);
- /* Function ptr to round the requested clock rate to the nearest
- supported rate that is less than or equal to the requested rate. */
- unsigned long (*round_rate) (struct clk *, unsigned long);
- /* Function ptr to enable the clock. Leave blank if clock can not
- be gated. */
- int (*enable) (struct clk *);
- /* Function ptr to disable the clock. Leave blank if clock can not
- be gated. */
- void (*disable) (struct clk *);
- /* Function ptr to set the parent clock of the clock. */
- int (*set_parent) (struct clk *, struct clk *);
- };
- int clk_register(struct clk *clk);
- void clk_unregister(struct clk *clk);
- #endif /* __ASSEMBLY__ */
- #endif /* __ASM_ARCH_MXC_CLOCK_H__ */
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