USB: Obscure Maxon BP3-USB Device Support 16d8:6280 for option driver
[linux-2.6/s3c2410-cpufreq.git] / include / asm-arm / arch-omap / clock.h
blobfa68810499034057f5b8544606a8579dd8d58eee
1 /*
2 * linux/include/asm-arm/arch-omap/clock.h
4 * Copyright (C) 2004 - 2005 Nokia corporation
5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
6 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #ifndef __ARCH_ARM_OMAP_CLOCK_H
14 #define __ARCH_ARM_OMAP_CLOCK_H
16 struct module;
18 struct clk {
19 struct list_head node;
20 struct module *owner;
21 const char *name;
22 int id;
23 struct clk *parent;
24 unsigned long rate;
25 __u32 flags;
26 void __iomem *enable_reg;
27 __u8 enable_bit;
28 __u8 rate_offset;
29 __u8 src_offset;
30 __s8 usecount;
31 void (*recalc)(struct clk *);
32 int (*set_rate)(struct clk *, unsigned long);
33 long (*round_rate)(struct clk *, unsigned long);
34 void (*init)(struct clk *);
35 int (*enable)(struct clk *);
36 void (*disable)(struct clk *);
39 struct clk_functions {
40 int (*clk_enable)(struct clk *clk);
41 void (*clk_disable)(struct clk *clk);
42 long (*clk_round_rate)(struct clk *clk, unsigned long rate);
43 int (*clk_set_rate)(struct clk *clk, unsigned long rate);
44 int (*clk_set_parent)(struct clk *clk, struct clk *parent);
45 struct clk * (*clk_get_parent)(struct clk *clk);
46 void (*clk_allow_idle)(struct clk *clk);
47 void (*clk_deny_idle)(struct clk *clk);
48 void (*clk_disable_unused)(struct clk *clk);
51 extern unsigned int mpurate;
53 extern int clk_init(struct clk_functions * custom_clocks);
54 extern int clk_register(struct clk *clk);
55 extern void clk_unregister(struct clk *clk);
56 extern void propagate_rate(struct clk *clk);
57 extern void followparent_recalc(struct clk * clk);
58 extern void clk_allow_idle(struct clk *clk);
59 extern void clk_deny_idle(struct clk *clk);
60 extern int clk_get_usecount(struct clk *clk);
62 /* Clock flags */
63 #define RATE_CKCTL (1 << 0) /* Main fixed ratio clocks */
64 #define RATE_FIXED (1 << 1) /* Fixed clock rate */
65 #define RATE_PROPAGATES (1 << 2) /* Program children too */
66 #define VIRTUAL_CLOCK (1 << 3) /* Composite clock from table */
67 #define ALWAYS_ENABLED (1 << 4) /* Clock cannot be disabled */
68 #define ENABLE_REG_32BIT (1 << 5) /* Use 32-bit access */
69 #define VIRTUAL_IO_ADDRESS (1 << 6) /* Clock in virtual address */
70 #define CLOCK_IDLE_CONTROL (1 << 7)
71 #define CLOCK_NO_IDLE_PARENT (1 << 8)
72 #define DELAYED_APP (1 << 9) /* Delay application of clock */
73 #define CONFIG_PARTICIPANT (1 << 10) /* Fundamental clock */
74 #define CM_MPU_SEL1 (1 << 11) /* Domain divider/source */
75 #define CM_DSP_SEL1 (1 << 12)
76 #define CM_GFX_SEL1 (1 << 13)
77 #define CM_MODEM_SEL1 (1 << 14)
78 #define CM_CORE_SEL1 (1 << 15) /* Sets divider for many */
79 #define CM_CORE_SEL2 (1 << 16) /* sets parent for GPT */
80 #define CM_WKUP_SEL1 (1 << 17)
81 #define CM_PLL_SEL1 (1 << 18)
82 #define CM_PLL_SEL2 (1 << 19)
83 #define CM_SYSCLKOUT_SEL1 (1 << 20)
84 #define CLOCK_IN_OMAP310 (1 << 21)
85 #define CLOCK_IN_OMAP730 (1 << 22)
86 #define CLOCK_IN_OMAP1510 (1 << 23)
87 #define CLOCK_IN_OMAP16XX (1 << 24)
88 #define CLOCK_IN_OMAP242X (1 << 25)
89 #define CLOCK_IN_OMAP243X (1 << 26)
91 #endif