arch/arm/plat-s5p/include/plat/s5p-clock.h

   1 /* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h
   2  *
   3  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   5  *
   6  * Header file for s5p clock support
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #ifndef __ASM_PLAT_S5P_CLOCK_H
  14 #define __ASM_PLAT_S5P_CLOCK_H __FILE__
  15
  16 #include <linux/clk.h>
  17
  18 #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
  19
  20 #define clk_fin_apll clk_ext_xtal_mux
  21 #define clk_fin_mpll clk_ext_xtal_mux
  22 #define clk_fin_epll clk_ext_xtal_mux
  23 #define clk_fin_dpll clk_ext_xtal_mux
  24 #define clk_fin_vpll clk_ext_xtal_mux
  25 #define clk_fin_hpll clk_ext_xtal_mux
  26
  27 extern struct clk clk_ext_xtal_mux;
  28 extern struct clk clk_xusbxti;
  29 extern struct clk clk_48m;
  30 extern struct clk s5p_clk_27m;
  31 extern struct clk clk_fout_apll;
  32 extern struct clk clk_fout_mpll;
  33 extern struct clk clk_fout_epll;
  34 extern struct clk clk_fout_dpll;
  35 extern struct clk clk_fout_vpll;
  36 extern struct clk clk_arm;
  37 extern struct clk clk_vpll;
  38
  39 extern struct clksrc_sources clk_src_apll;
  40 extern struct clksrc_sources clk_src_mpll;
  41 extern struct clksrc_sources clk_src_epll;
  42 extern struct clksrc_sources clk_src_dpll;
  43
  44 extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
  45
  46 /* Common EPLL operations for S5P platform */
  47 extern int s5p_epll_enable(struct clk *clk, int enable);
  48 extern unsigned long s5p_epll_get_rate(struct clk *clk);
  49
  50 /* SPDIF clk operations common for S5PC100/V210/C110 and Exynos4 */
  51 extern int s5p_spdif_set_rate(struct clk *clk, unsigned long rate);
  52 extern unsigned long s5p_spdif_get_rate(struct clk *clk);
  53
  54 extern struct clk_ops s5p_sclk_spdif_ops;
  55 #endif /* __ASM_PLAT_S5P_CLOCK_H */