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 static void omap2_clksel_recalc(struct clk * clk);
25 static void omap2_table_mpu_recalc(struct clk *clk);
26 static int omap2_select_table_rate(struct clk * clk, unsigned long rate);
27 static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate);
28 static void omap2_clk_disable(struct clk *clk);
29 static void omap2_sys_clk_recalc(struct clk * clk);
30 static void omap2_init_clksel_parent(struct clk *clk);
31 static u32 omap2_clksel_get_divisor(struct clk *clk);
32 static u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val);
33 static u32 omap2_divisor_to_clksel(struct clk *clk, u32 div);
34 static void omap2_osc_clk_recalc(struct clk *clk);
35 static void omap2_sys_clk_recalc(struct clk *clk);
36 static void omap2_dpll_recalc(struct clk *clk);
37 static void omap2_fixed_divisor_recalc(struct clk *clk);
38 static int omap2_clk_fixed_enable(struct clk *clk);
39 static void omap2_clk_fixed_disable(struct clk *clk);
40 static long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate);
41 static int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
42 static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate);
43 static int omap2_enable_osc_ck(struct clk *clk);
44 static void omap2_disable_osc_ck(struct clk *clk);