mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 16:12:02 +00:00
52585ccd93
Since there're mulitple clock rates in some device controllers, enable clk_set_rate() for this usage. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
#include <linux/clkdev.h>
|
|
#include <linux/syscore_ops.h>
|
|
|
|
struct clkops {
|
|
void (*enable)(struct clk *);
|
|
void (*disable)(struct clk *);
|
|
unsigned long (*getrate)(struct clk *);
|
|
int (*setrate)(struct clk *, unsigned long);
|
|
};
|
|
|
|
struct clk {
|
|
const struct clkops *ops;
|
|
unsigned long rate;
|
|
unsigned int cken;
|
|
unsigned int delay;
|
|
unsigned int enabled;
|
|
};
|
|
|
|
void clk_dummy_enable(struct clk *);
|
|
void clk_dummy_disable(struct clk *);
|
|
|
|
extern const struct clkops clk_dummy_ops;
|
|
extern struct clk clk_dummy;
|
|
|
|
#define INIT_CLKREG(_clk,_devname,_conname) \
|
|
{ \
|
|
.clk = _clk, \
|
|
.dev_id = _devname, \
|
|
.con_id = _conname, \
|
|
}
|
|
|
|
#define DEFINE_CK(_name, _cken, _ops) \
|
|
struct clk clk_##_name = { \
|
|
.ops = _ops, \
|
|
.cken = CKEN_##_cken, \
|
|
}
|
|
|
|
#define DEFINE_CLK(_name, _ops, _rate, _delay) \
|
|
struct clk clk_##_name = { \
|
|
.ops = _ops, \
|
|
.rate = _rate, \
|
|
.delay = _delay, \
|
|
}
|
|
|
|
#define DEFINE_PXA2_CKEN(_name, _cken, _rate, _delay) \
|
|
struct clk clk_##_name = { \
|
|
.ops = &clk_pxa2xx_cken_ops, \
|
|
.rate = _rate, \
|
|
.cken = CKEN_##_cken, \
|
|
.delay = _delay, \
|
|
}
|
|
|
|
extern const struct clkops clk_pxa2xx_cken_ops;
|
|
|
|
void clk_pxa2xx_cken_enable(struct clk *clk);
|
|
void clk_pxa2xx_cken_disable(struct clk *clk);
|
|
|
|
extern struct syscore_ops pxa2xx_clock_syscore_ops;
|
|
|
|
#if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x)
|
|
#define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay) \
|
|
struct clk clk_##_name = { \
|
|
.ops = &clk_pxa3xx_cken_ops, \
|
|
.rate = _rate, \
|
|
.cken = CKEN_##_cken, \
|
|
.delay = _delay, \
|
|
}
|
|
|
|
extern const struct clkops clk_pxa3xx_cken_ops;
|
|
extern const struct clkops clk_pxa3xx_hsio_ops;
|
|
extern const struct clkops clk_pxa3xx_ac97_ops;
|
|
extern const struct clkops clk_pxa3xx_pout_ops;
|
|
extern const struct clkops clk_pxa3xx_smemc_ops;
|
|
|
|
extern void clk_pxa3xx_cken_enable(struct clk *);
|
|
extern void clk_pxa3xx_cken_disable(struct clk *);
|
|
|
|
extern struct syscore_ops pxa3xx_clock_syscore_ops;
|
|
|
|
#endif
|