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64 lines
1.8 KiB
64 lines
1.8 KiB
/* linux/include/asm-arm/plat-s3c24xx/clock.h
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* linux/arch/arm/mach-s3c2410/clock.h
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*
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* Copyright (c) 2004-2005 Simtec Electronics
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* http://www.simtec.co.uk/products/SWLINUX/
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* Written by Ben Dooks, <ben@simtec.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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struct clk {
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struct list_head list;
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struct module *owner;
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struct clk *parent;
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const char *name;
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int id;
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int usage;
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unsigned long rate;
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unsigned long ctrlbit;
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int (*enable)(struct clk *, int enable);
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int (*set_rate)(struct clk *c, unsigned long rate);
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unsigned long (*get_rate)(struct clk *c);
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unsigned long (*round_rate)(struct clk *c, unsigned long rate);
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int (*set_parent)(struct clk *c, struct clk *parent);
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};
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/* other clocks which may be registered by board support */
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extern struct clk s3c24xx_dclk0;
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extern struct clk s3c24xx_dclk1;
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extern struct clk s3c24xx_clkout0;
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extern struct clk s3c24xx_clkout1;
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extern struct clk s3c24xx_uclk;
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extern struct clk clk_usb_bus;
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/* core clock support */
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extern struct clk clk_f;
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extern struct clk clk_h;
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extern struct clk clk_p;
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extern struct clk clk_mpll;
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extern struct clk clk_upll;
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extern struct clk clk_xtal;
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/* exports for arch/arm/mach-s3c2410
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*
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* Please DO NOT use these outside of arch/arm/mach-s3c2410
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*/
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extern struct mutex clocks_mutex;
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extern int s3c2410_clkcon_enable(struct clk *clk, int enable);
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extern int s3c24xx_register_clock(struct clk *clk);
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extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
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extern int s3c24xx_setup_clocks(unsigned long xtal,
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unsigned long fclk,
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unsigned long hclk,
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unsigned long pclk);
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