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clk.h
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1 #ifndef __MACH_IMX_CLK_H
2 #define __MACH_IMX_CLK_H
3 
4 #include <linux/spinlock.h>
5 #include <linux/clk-provider.h>
6 
8 
9 struct clk *imx_clk_pllv1(const char *name, const char *parent,
10  void __iomem *base);
11 
12 struct clk *imx_clk_pllv2(const char *name, const char *parent,
13  void __iomem *base);
14 
22 };
23 
24 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
25  const char *parent_name, void __iomem *base, u32 gate_mask,
26  u32 div_mask);
27 
28 struct clk *clk_register_gate2(struct device *dev, const char *name,
29  const char *parent_name, unsigned long flags,
30  void __iomem *reg, u8 bit_idx,
31  u8 clk_gate_flags, spinlock_t *lock);
32 
33 static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
34  void __iomem *reg, u8 shift)
35 {
36  return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
37  shift, 0, &imx_ccm_lock);
38 }
39 
40 struct clk *imx_clk_pfd(const char *name, const char *parent_name,
41  void __iomem *reg, u8 idx);
42 
43 struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
44  void __iomem *reg, u8 shift, u8 width,
45  void __iomem *busy_reg, u8 busy_shift);
46 
47 struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
48  u8 width, void __iomem *busy_reg, u8 busy_shift,
49  const char **parent_names, int num_parents);
50 
51 static inline struct clk *imx_clk_fixed(const char *name, int rate)
52 {
53  return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
54 }
55 
56 static inline struct clk *imx_clk_divider(const char *name, const char *parent,
57  void __iomem *reg, u8 shift, u8 width)
58 {
59  return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
60  reg, shift, width, 0, &imx_ccm_lock);
61 }
62 
63 static inline struct clk *imx_clk_gate(const char *name, const char *parent,
64  void __iomem *reg, u8 shift)
65 {
66  return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
67  shift, 0, &imx_ccm_lock);
68 }
69 
70 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
71  u8 shift, u8 width, const char **parents, int num_parents)
72 {
73  return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift,
74  width, 0, &imx_ccm_lock);
75 }
76 
77 static inline struct clk *imx_clk_fixed_factor(const char *name,
78  const char *parent, unsigned int mult, unsigned int div)
79 {
80  return clk_register_fixed_factor(NULL, name, parent,
81  CLK_SET_RATE_PARENT, mult, div);
82 }
83 
84 #endif