aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-sh/clock.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 13:53:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 13:53:43 -0400
commit00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch)
tree2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /include/asm-sh/clock.h
parent57b1494d2ba544c62673234da6115c21fac27ffc (diff)
parent7cb93181629c613ee2b8f4ffe3446f8003074842 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
Diffstat (limited to 'include/asm-sh/clock.h')
-rw-r--r--include/asm-sh/clock.h97
1 files changed, 0 insertions, 97 deletions
diff --git a/include/asm-sh/clock.h b/include/asm-sh/clock.h
deleted file mode 100644
index 720dfab7b15e..000000000000
--- a/include/asm-sh/clock.h
+++ /dev/null
@@ -1,97 +0,0 @@
1#ifndef __ASM_SH_CLOCK_H
2#define __ASM_SH_CLOCK_H
3
4#include <linux/kref.h>
5#include <linux/list.h>
6#include <linux/seq_file.h>
7#include <linux/clk.h>
8#include <linux/err.h>
9
10struct clk;
11
12struct clk_ops {
13 void (*init)(struct clk *clk);
14 void (*enable)(struct clk *clk);
15 void (*disable)(struct clk *clk);
16 void (*recalc)(struct clk *clk);
17 int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id);
18 long (*round_rate)(struct clk *clk, unsigned long rate);
19};
20
21struct clk {
22 struct list_head node;
23 const char *name;
24 int id;
25 struct module *owner;
26
27 struct clk *parent;
28 struct clk_ops *ops;
29
30 struct kref kref;
31
32 unsigned long rate;
33 unsigned long flags;
34 unsigned long arch_flags;
35};
36
37#define CLK_ALWAYS_ENABLED (1 << 0)
38#define CLK_RATE_PROPAGATES (1 << 1)
39
40/* Should be defined by processor-specific code */
41void arch_init_clk_ops(struct clk_ops **, int type);
42
43/* arch/sh/kernel/cpu/clock.c */
44int clk_init(void);
45
46void clk_recalc_rate(struct clk *);
47
48int clk_register(struct clk *);
49void clk_unregister(struct clk *);
50
51static inline int clk_always_enable(const char *id)
52{
53 struct clk *clk;
54 int ret;
55
56 clk = clk_get(NULL, id);
57 if (IS_ERR(clk))
58 return PTR_ERR(clk);
59
60 ret = clk_enable(clk);
61 if (ret)
62 clk_put(clk);
63
64 return ret;
65}
66
67/* the exported API, in addition to clk_set_rate */
68/**
69 * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
70 * @clk: clock source
71 * @rate: desired clock rate in Hz
72 * @algo_id: algorithm id to be passed down to ops->set_rate
73 *
74 * Returns success (0) or negative errno.
75 */
76int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
77
78enum clk_sh_algo_id {
79 NO_CHANGE = 0,
80
81 IUS_N1_N1,
82 IUS_322,
83 IUS_522,
84 IUS_N11,
85
86 SB_N1,
87
88 SB3_N1,
89 SB3_32,
90 SB3_43,
91 SB3_54,
92
93 BP_N1,
94
95 IP_N1,
96};
97#endif /* __ASM_SH_CLOCK_H */