2 * linux/arch/arm/mach-omap2/clock.h
4 * Copyright (C) 2005 Texas Instruments Inc.
5 * Richard Woodruff <r-woodruff2@ti.com>
8 * Copyright (C) 2004 Nokia corporation
9 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
10 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
12 * Copyright (C) 2007 Texas Instruments, Inc.
13 * Copyright (C) 2007 Nokia Corporation
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License version 2 as
18 * published by the Free Software Foundation.
21 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
22 #define __ARCH_ARM_MACH_OMAP2_CLOCK_H
24 int omap2_clk_enable(struct clk *clk);
25 void omap2_clk_disable(struct clk *clk);
26 long omap2_clk_round_rate(struct clk *clk, unsigned long rate);
27 int omap2_clk_set_rate(struct clk *clk, unsigned long rate);
28 int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent);
30 #ifdef CONFIG_OMAP_RESET_CLOCKS
31 void __init omap2_clk_disable_unused(struct clk *clk);
33 #define omap2_clk_disable_unused NULL
36 void omap2_clksel_recalc(struct clk *clk);
37 void omap2_init_clksel_parent(struct clk *clk);
38 u32 omap2_clksel_get_divisor(struct clk *clk);
39 u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate,
41 u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val);
42 u32 omap2_divisor_to_clksel(struct clk *clk, u32 div);
43 void omap2_fixed_divisor_recalc(struct clk *clk);
44 long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate);
45 int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
46 u32 omap2_get_dpll_rate(struct clk *clk);
47 int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name);
48 u8 mask_to_shift(u32 mask);