arch/arm/mach-omap2/clock2xxx.h

   1 /*
   2  * OMAP2 clock function prototypes and macros
   3  *
   4  * Copyright (C) 2005-2010 Texas Instruments, Inc.
   5  * Copyright (C) 2004-2010 Nokia Corporation
   6  */
   7
   8 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
   9 #define __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
  10
  11 #include <linux/clk-provider.h>
  12 #include "clock.h"
  13
  14 unsigned long omap2_table_mpu_recalc(struct clk_hw *clk,
  15                                      unsigned long parent_rate);
  16 int omap2_select_table_rate(struct clk_hw *hw, unsigned long rate,
  17                             unsigned long parent_rate);
  18 long omap2_round_to_table_rate(struct clk_hw *hw, unsigned long rate,
  19                                unsigned long *parent_rate);
  20 unsigned long omap2xxx_sys_clk_recalc(struct clk_hw *clk,
  21                                       unsigned long parent_rate);
  22 unsigned long omap2_osc_clk_recalc(struct clk_hw *clk,
  23                                    unsigned long parent_rate);
  24 unsigned long omap2_dpllcore_recalc(struct clk_hw *hw,
  25                                     unsigned long parent_rate);
  26 int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate,
  27                              unsigned long parent_rate);
  28 void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw);
  29 unsigned long omap2_clk_apll54_recalc(struct clk_hw *hw,
  30                                       unsigned long parent_rate);
  31 unsigned long omap2_clk_apll96_recalc(struct clk_hw *hw,
  32                                       unsigned long parent_rate);
  33 unsigned long omap2xxx_clk_get_core_rate(void);
  34 u32 omap2xxx_get_apll_clkin(void);
  35 u32 omap2xxx_get_sysclkdiv(void);
  36 void omap2xxx_clk_prepare_for_reboot(void);
  37 void omap2xxx_clkt_vps_check_bootloader_rates(void);
  38 void omap2xxx_clkt_vps_late_init(void);
  39
  40 #ifdef CONFIG_SOC_OMAP2420
  41 int omap2420_clk_init(void);
  42 #else
  43 #define omap2420_clk_init()     do { } while(0)
  44 #endif
  45
  46 #ifdef CONFIG_SOC_OMAP2430
  47 int omap2430_clk_init(void);
  48 #else
  49 #define omap2430_clk_init()     do { } while(0)
  50 #endif
  51
  52 extern void __iomem *prcm_clksrc_ctrl;
  53
  54 extern struct clk_hw *dclk_hw;
  55 int omap2_enable_osc_ck(struct clk_hw *hw);
  56 void omap2_disable_osc_ck(struct clk_hw *hw);
  57 int omap2_clk_apll96_enable(struct clk_hw *hw);
  58 int omap2_clk_apll54_enable(struct clk_hw *hw);
  59 void omap2_clk_apll96_disable(struct clk_hw *hw);
  60 void omap2_clk_apll54_disable(struct clk_hw *hw);
  61
  62 #endif