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kernel/linux-imx6_3.14.28/arch/arm/mach-omap2/clock2xxx.h 2.02 KB
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  /*
   * OMAP2 clock function prototypes and macros
   *
   * Copyright (C) 2005-2010 Texas Instruments, Inc.
   * Copyright (C) 2004-2010 Nokia Corporation
   */
  
  #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
  #define __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
  
  #include <linux/clk-provider.h>
  #include "clock.h"
  
  unsigned long omap2_table_mpu_recalc(struct clk_hw *clk,
  				     unsigned long parent_rate);
  int omap2_select_table_rate(struct clk_hw *hw, unsigned long rate,
  			    unsigned long parent_rate);
  long omap2_round_to_table_rate(struct clk_hw *hw, unsigned long rate,
  			       unsigned long *parent_rate);
  unsigned long omap2xxx_sys_clk_recalc(struct clk_hw *clk,
  				      unsigned long parent_rate);
  unsigned long omap2_osc_clk_recalc(struct clk_hw *clk,
  				   unsigned long parent_rate);
  unsigned long omap2_dpllcore_recalc(struct clk_hw *hw,
  				    unsigned long parent_rate);
  int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate,
  			     unsigned long parent_rate);
  void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw);
  unsigned long omap2_clk_apll54_recalc(struct clk_hw *hw,
  				      unsigned long parent_rate);
  unsigned long omap2_clk_apll96_recalc(struct clk_hw *hw,
  				      unsigned long parent_rate);
  unsigned long omap2xxx_clk_get_core_rate(void);
  u32 omap2xxx_get_apll_clkin(void);
  u32 omap2xxx_get_sysclkdiv(void);
  void omap2xxx_clk_prepare_for_reboot(void);
  void omap2xxx_clkt_vps_check_bootloader_rates(void);
  void omap2xxx_clkt_vps_late_init(void);
  
  #ifdef CONFIG_SOC_OMAP2420
  int omap2420_clk_init(void);
  #else
  #define omap2420_clk_init()	do { } while(0)
  #endif
  
  #ifdef CONFIG_SOC_OMAP2430
  int omap2430_clk_init(void);
  #else
  #define omap2430_clk_init()	do { } while(0)
  #endif
  
  extern void __iomem *prcm_clksrc_ctrl;
  
  extern struct clk_hw *dclk_hw;
  int omap2_enable_osc_ck(struct clk_hw *hw);
  void omap2_disable_osc_ck(struct clk_hw *hw);
  int omap2_clk_apll96_enable(struct clk_hw *hw);
  int omap2_clk_apll54_enable(struct clk_hw *hw);
  void omap2_clk_apll96_disable(struct clk_hw *hw);
  void omap2_clk_apll54_disable(struct clk_hw *hw);
  
  #endif