Blame view

kernel/linux-rt-4.4.41/arch/arm/mach-omap2/clock.h 2.5 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
  /*
   *  linux/arch/arm/mach-omap2/clock.h
   *
   *  Copyright (C) 2005-2009 Texas Instruments, Inc.
   *  Copyright (C) 2004-2011 Nokia Corporation
   *
   *  Contacts:
   *  Richard Woodruff <r-woodruff2@ti.com>
   *  Paul Walmsley
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
  #define __ARCH_ARM_MACH_OMAP2_CLOCK_H
  
  #include <linux/kernel.h>
  #include <linux/list.h>
  
  #include <linux/clkdev.h>
  #include <linux/clk-provider.h>
  #include <linux/clk/ti.h>
  
  /* struct clksel_rate.flags possibilities */
  #define RATE_IN_242X		(1 << 0)
  #define RATE_IN_243X		(1 << 1)
  #define RATE_IN_3430ES1		(1 << 2)	/* 3430ES1 rates only */
  #define RATE_IN_3430ES2PLUS	(1 << 3)	/* 3430 ES >= 2 rates only */
  #define RATE_IN_36XX		(1 << 4)
  #define RATE_IN_4430		(1 << 5)
  #define RATE_IN_TI816X		(1 << 6)
  #define RATE_IN_4460		(1 << 7)
  #define RATE_IN_AM33XX		(1 << 8)
  #define RATE_IN_TI814X		(1 << 9)
  
  #define RATE_IN_24XX		(RATE_IN_242X | RATE_IN_243X)
  #define RATE_IN_34XX		(RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
  #define RATE_IN_3XXX		(RATE_IN_34XX | RATE_IN_36XX)
  #define RATE_IN_44XX		(RATE_IN_4430 | RATE_IN_4460)
  
  /* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
  #define RATE_IN_3430ES2PLUS_36XX	(RATE_IN_3430ES2PLUS | RATE_IN_36XX)
  
  /* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */
  #define CORE_CLK_SRC_32K		0x0
  #define CORE_CLK_SRC_DPLL		0x1
  #define CORE_CLK_SRC_DPLL_X2		0x2
  
  /* OMAP2xxx CM_CLKEN_PLL.EN_DPLL bits - for omap2_get_dpll_rate() */
  #define OMAP2XXX_EN_DPLL_LPBYPASS		0x1
  #define OMAP2XXX_EN_DPLL_FRBYPASS		0x2
  #define OMAP2XXX_EN_DPLL_LOCKED			0x3
  
  /* OMAP3xxx CM_CLKEN_PLL*.EN_*_DPLL bits - for omap2_get_dpll_rate() */
  #define OMAP3XXX_EN_DPLL_LPBYPASS		0x5
  #define OMAP3XXX_EN_DPLL_FRBYPASS		0x6
  #define OMAP3XXX_EN_DPLL_LOCKED			0x7
  
  /* OMAP4xxx CM_CLKMODE_DPLL*.EN_*_DPLL bits - for omap2_get_dpll_rate() */
  #define OMAP4XXX_EN_DPLL_MNBYPASS		0x4
  #define OMAP4XXX_EN_DPLL_LPBYPASS		0x5
  #define OMAP4XXX_EN_DPLL_FRBYPASS		0x6
  #define OMAP4XXX_EN_DPLL_LOCKED			0x7
  
  void omap2_clk_print_new_rates(const char *hfclkin_ck_name,
  			       const char *core_ck_name,
  			       const char *mpu_ck_name);
  
  extern u16 cpu_mask;
  
  extern const struct clkops clkops_omap2_dflt_wait;
  extern const struct clkops clkops_omap2_dflt;
  
  extern struct clk_functions omap2_clk_functions;
  
  int __init omap2_clk_setup_ll_ops(void);
  
  void __init ti_clk_init_features(void);
  #endif