projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a503059c | 1 | /* linux/arch/arm/plat-s3c/include/plat/clock.h |
| 1da177e4 LT |
2 | * |
| 3 | * Copyright (c) 2004-2005 Simtec Electronics | |
| 4 | * http://www.simtec.co.uk/products/SWLINUX/ | |
| 5 | * Written by Ben Dooks, <ben@simtec.co.uk> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | */ | |
| 11 | ||
| c3391e36 BD |
12 | #include <linux/spinlock.h> |
| 13 | ||
| 1da177e4 LT |
14 | struct clk { |
| 15 | struct list_head list; | |
| 16 | struct module *owner; | |
| 17 | struct clk *parent; | |
| 18 | const char *name; | |
| 19 | int id; | |
| 2a513ce7 | 20 | int usage; |
| 1da177e4 LT |
21 | unsigned long rate; |
| 22 | unsigned long ctrlbit; | |
| d3468daa | 23 | |
| 1da177e4 | 24 | int (*enable)(struct clk *, int enable); |
| 6e8908ed | 25 | int (*set_rate)(struct clk *c, unsigned long rate); |
| 92b7eb8f | 26 | unsigned long (*get_rate)(struct clk *c); |
| 6e8908ed | 27 | unsigned long (*round_rate)(struct clk *c, unsigned long rate); |
| d3468daa | 28 | int (*set_parent)(struct clk *c, struct clk *parent); |
| 1da177e4 LT |
29 | }; |
| 30 | ||
| 31 | /* other clocks which may be registered by board support */ | |
| 32 | ||
| 33 | extern struct clk s3c24xx_dclk0; | |
| 34 | extern struct clk s3c24xx_dclk1; | |
| 35 | extern struct clk s3c24xx_clkout0; | |
| 36 | extern struct clk s3c24xx_clkout1; | |
| 37 | extern struct clk s3c24xx_uclk; | |
| 38 | ||
| 36c64af4 BD |
39 | extern struct clk clk_usb_bus; |
| 40 | ||
| 99c13853 BD |
41 | /* core clock support */ |
| 42 | ||
| 43 | extern struct clk clk_f; | |
| 44 | extern struct clk clk_h; | |
| 45 | extern struct clk clk_p; | |
| 513846f8 | 46 | extern struct clk clk_mpll; |
| 99c13853 | 47 | extern struct clk clk_upll; |
| 4b31d8b2 | 48 | extern struct clk clk_epll; |
| 513846f8 | 49 | extern struct clk clk_xtal; |
| 4b31d8b2 BD |
50 | extern struct clk clk_ext; |
| 51 | ||
| 52 | /* S3C64XX specific clocks */ | |
| 53 | extern struct clk clk_27m; | |
| 54 | extern struct clk clk_48m; | |
| 99c13853 | 55 | |
| 1da177e4 LT |
56 | /* exports for arch/arm/mach-s3c2410 |
| 57 | * | |
| 58 | * Please DO NOT use these outside of arch/arm/mach-s3c2410 | |
| 59 | */ | |
| 60 | ||
| c3391e36 | 61 | extern spinlock_t clocks_lock; |
| 36c64af4 | 62 | |
| 99c13853 BD |
63 | extern int s3c2410_clkcon_enable(struct clk *clk, int enable); |
| 64 | ||
| 1da177e4 | 65 | extern int s3c24xx_register_clock(struct clk *clk); |
| ce89c206 | 66 | extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks); |
| 1da177e4 | 67 | |
| e425382e BD |
68 | extern int s3c24xx_register_baseclocks(unsigned long xtal); |
| 69 | ||
| 4b31d8b2 BD |
70 | extern void s3c64xx_register_clocks(void); |
| 71 | ||
| e425382e BD |
72 | extern void s3c24xx_setup_clocks(unsigned long fclk, |
| 73 | unsigned long hclk, | |
| 74 | unsigned long pclk); | |
| 75 | ||
| 76 | extern void s3c2410_setup_clocks(void); | |
| 77 | extern void s3c2412_setup_clocks(void); | |
| 78 | extern void s3c244x_setup_clocks(void); | |
| 79 | extern void s3c2443_setup_clocks(void); | |
| 80 |