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sh: SH7722 clock framework support.

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This adds support for the SH7722 (MobileR) to the clock framework.

Signed-off-by: dmitry pervushin <dimka@nomadgs.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
dmitry pervushin
2007-04-24 13:39:09 +09:00
committed by Paul Mundt
parent 34a780a0af
commit 1929cb340b
7 changed files with 694 additions and 7 deletions
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32
include/asm-sh/clock.h
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@@ -13,7 +13,7 @@ struct clk_ops {
void (*enable)(struct clk *clk);
void (*disable)(struct clk *clk);
void (*recalc)(struct clk *clk);
int (*set_rate)(struct clk *clk, unsigned long rate);
int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id);
};
struct clk {
@@ -50,4 +50,34 @@ void clk_unregister(struct clk *);
int show_clocks(struct seq_file *m);
/* the exported API, in addition to clk_set_rate */
/**
* clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
* @clk: clock source
* @rate: desired clock rate in Hz
* @algo_id: algorithm id to be passed down to ops->set_rate
*
* Returns success (0) or negative errno.
*/
int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
enum clk_sh_algo_id {
NO_CHANGE = 0,
IUS_N1_N1,
IUS_322,
IUS_522,
IUS_N11,
SB_N1,
SB3_N1,
SB3_32,
SB3_43,
SB3_54,
BP_N1,
IP_N1,
};
#endif /* __ASM_SH_CLOCK_H */

4
include/asm-sh/cpu-sh4/freq.h
View File

@@ -12,6 +12,10 @@
#if defined(CONFIG_CPU_SUBTYPE_SH73180) || defined(CONFIG_CPU_SUBTYPE_SH7722)
#define FRQCR 0xa4150000
#define VCLKCR 0xa4150004
#define SCLKACR 0xa4150008
#define SCLKBCR 0xa415000c
#define IrDACLKCR 0xa4150010
#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
#define FRQCR 0xffc80000
#elif defined(CONFIG_CPU_SUBTYPE_SH7785)