LXR linux/arch/arm/mach-omap2/clock.h

   1/*
   2 *  linux/arch/arm/mach-omap2/clock.h
   3 *
   4 *  Copyright (C) 2005-2009 Texas Instruments, Inc.
   5 *  Copyright (C) 2004-2011 Nokia Corporation
   6 *
   7 *  Contacts:
   8 *  Richard Woodruff <r-woodruff2@ti.com>
   9 *  Paul Walmsley
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License version 2 as
  13 * published by the Free Software Foundation.
  14 */
  15
  16#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
  17#define __ARCH_ARM_MACH_OMAP2_CLOCK_H
  18
  19#include <linux/kernel.h>
  20#include <linux/list.h>
  21
  22#include <linux/clkdev.h>
  23#include <linux/clk-provider.h>
  24#include <linux/clk/ti.h>
  25
  26/* struct clksel_rate.flags possibilities */
  27#define RATE_IN_242X            (1 << 0)
  28#define RATE_IN_243X            (1 << 1)
  29#define RATE_IN_3430ES1         (1 << 2)        /* 3430ES1 rates only */
  30#define RATE_IN_3430ES2PLUS     (1 << 3)        /* 3430 ES >= 2 rates only */
  31#define RATE_IN_36XX            (1 << 4)
  32#define RATE_IN_4430            (1 << 5)
  33#define RATE_IN_TI816X          (1 << 6)
  34#define RATE_IN_4460            (1 << 7)
  35#define RATE_IN_AM33XX          (1 << 8)
  36#define RATE_IN_TI814X          (1 << 9)
  37
  38#define RATE_IN_24XX            (RATE_IN_242X | RATE_IN_243X)
  39#define RATE_IN_34XX            (RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
  40#define RATE_IN_3XXX            (RATE_IN_34XX | RATE_IN_36XX)
  41#define RATE_IN_44XX            (RATE_IN_4430 | RATE_IN_4460)
  42
  43/* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
  44#define RATE_IN_3430ES2PLUS_36XX        (RATE_IN_3430ES2PLUS | RATE_IN_36XX)
  45
  46/* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */
  47#define CORE_CLK_SRC_32K                0x0
  48#define CORE_CLK_SRC_DPLL               0x1
  49#define CORE_CLK_SRC_DPLL_X2            0x2
  50
  51/* OMAP2xxx CM_CLKEN_PLL.EN_DPLL bits - for omap2_get_dpll_rate() */
  52#define OMAP2XXX_EN_DPLL_LPBYPASS               0x1
  53#define OMAP2XXX_EN_DPLL_FRBYPASS               0x2
  54#define OMAP2XXX_EN_DPLL_LOCKED                 0x3
  55
  56/* OMAP3xxx CM_CLKEN_PLL*.EN_*_DPLL bits - for omap2_get_dpll_rate() */
  57#define OMAP3XXX_EN_DPLL_LPBYPASS               0x5
  58#define OMAP3XXX_EN_DPLL_FRBYPASS               0x6
  59#define OMAP3XXX_EN_DPLL_LOCKED                 0x7
  60
  61/* OMAP4xxx CM_CLKMODE_DPLL*.EN_*_DPLL bits - for omap2_get_dpll_rate() */
  62#define OMAP4XXX_EN_DPLL_MNBYPASS               0x4
  63#define OMAP4XXX_EN_DPLL_LPBYPASS               0x5
  64#define OMAP4XXX_EN_DPLL_FRBYPASS               0x6
  65#define OMAP4XXX_EN_DPLL_LOCKED                 0x7
  66
  67extern struct ti_clk_ll_ops omap_clk_ll_ops;
  68
  69extern u16 cpu_mask;
  70
  71extern const struct clkops clkops_omap2_dflt_wait;
  72extern const struct clkops clkops_omap2_dflt;
  73
  74extern struct clk_functions omap2_clk_functions;
  75
  76int __init omap2_clk_setup_ll_ops(void);
  77
  78void __init ti_clk_init_features(void);
  79#endif
  80