projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a21765a7 | 1 | /* linux/include/asm-arm/plat-s3c24xx/clock.h |
| 1da177e4 LT |
2 | * linux/arch/arm/mach-s3c2410/clock.h |
| 3 | * | |
| 4 | * Copyright (c) 2004-2005 Simtec Electronics | |
| 5 | * http://www.simtec.co.uk/products/SWLINUX/ | |
| 6 | * Written by Ben Dooks, <ben@simtec.co.uk> | |
| 7 | * | |
| 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. | |
| 11 | */ | |
| 12 | ||
| c3391e36 BD |
13 | #include <linux/spinlock.h> |
| 14 | ||
| 1da177e4 LT |
15 | struct clk { |
| 16 | struct list_head list; | |
| 17 | struct module *owner; | |
| 18 | struct clk *parent; | |
| 19 | const char *name; | |
| 20 | int id; | |
| 2a513ce7 | 21 | int usage; |
| 1da177e4 LT |
22 | unsigned long rate; |
| 23 | unsigned long ctrlbit; | |
| d3468daa | 24 | |
| 1da177e4 | 25 | int (*enable)(struct clk *, int enable); |
| 6e8908ed | 26 | int (*set_rate)(struct clk *c, unsigned long rate); |
| 92b7eb8f | 27 | unsigned long (*get_rate)(struct clk *c); |
| 6e8908ed | 28 | unsigned long (*round_rate)(struct clk *c, unsigned long rate); |
| d3468daa | 29 | int (*set_parent)(struct clk *c, struct clk *parent); |
| 1da177e4 LT |
30 | }; |
| 31 | ||
| 32 | /* other clocks which may be registered by board support */ | |
| 33 | ||
| 34 | extern struct clk s3c24xx_dclk0; | |
| 35 | extern struct clk s3c24xx_dclk1; | |
| 36 | extern struct clk s3c24xx_clkout0; | |
| 37 | extern struct clk s3c24xx_clkout1; | |
| 38 | extern struct clk s3c24xx_uclk; | |
| 39 | ||
| 36c64af4 BD |
40 | extern struct clk clk_usb_bus; |
| 41 | ||
| 99c13853 BD |
42 | /* core clock support */ |
| 43 | ||
| 44 | extern struct clk clk_f; | |
| 45 | extern struct clk clk_h; | |
| 46 | extern struct clk clk_p; | |
| 513846f8 | 47 | extern struct clk clk_mpll; |
| 99c13853 | 48 | extern struct clk clk_upll; |
| 513846f8 | 49 | extern struct clk clk_xtal; |
| 99c13853 | 50 | |
| 1da177e4 LT |
51 | /* exports for arch/arm/mach-s3c2410 |
| 52 | * | |
| 53 | * Please DO NOT use these outside of arch/arm/mach-s3c2410 | |
| 54 | */ | |
| 55 | ||
| c3391e36 | 56 | extern spinlock_t clocks_lock; |
| 36c64af4 | 57 | |
| 99c13853 BD |
58 | extern int s3c2410_clkcon_enable(struct clk *clk, int enable); |
| 59 | ||
| 1da177e4 | 60 | extern int s3c24xx_register_clock(struct clk *clk); |
| ce89c206 | 61 | extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks); |
| 1da177e4 | 62 | |
| e425382e BD |
63 | extern int s3c24xx_register_baseclocks(unsigned long xtal); |
| 64 | ||
| 65 | extern void s3c24xx_setup_clocks(unsigned long fclk, | |
| 66 | unsigned long hclk, | |
| 67 | unsigned long pclk); | |
| 68 | ||
| 69 | extern void s3c2410_setup_clocks(void); | |
| 70 | extern void s3c2412_setup_clocks(void); | |
| 71 | extern void s3c244x_setup_clocks(void); | |
| 72 | extern void s3c2443_setup_clocks(void); | |
| 73 |