1 #ifndef __MACH_IMX_CLK_H
2 #define __MACH_IMX_CLK_H
4 #include <linux/spinlock.h>
5 #include <linux/clk-provider.h>
7 extern spinlock_t imx_ccm_lock;
9 extern void imx_cscmr1_fixup(u32 *val);
11 struct clk *imx_clk_pllv1(const char *name, const char *parent,
14 struct clk *imx_clk_pllv2(const char *name, const char *parent,
25 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
26 const char *parent_name, void __iomem *base,
27 u32 div_mask, bool always_on);
29 struct clk *clk_register_gate2(struct device *dev, const char *name,
30 const char *parent_name, unsigned long flags,
31 void __iomem *reg, u8 bit_idx,
32 u8 clk_gate_flags, spinlock_t *lock,
33 unsigned int *share_count);
35 struct clk * imx_obtain_fixed_clock(
36 const char *name, unsigned long rate);
38 static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
39 void __iomem *reg, u8 shift)
41 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
42 shift, 0, &imx_ccm_lock, NULL);
45 static inline struct clk *imx_clk_gate2_shared(const char *name,
46 const char *parent, void __iomem *reg, u8 shift,
47 unsigned int *share_count)
49 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
50 shift, 0, &imx_ccm_lock, share_count);
53 struct clk *imx_clk_pfd(const char *name, const char *parent_name,
54 void __iomem *reg, u8 idx);
56 struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
57 void __iomem *reg, u8 shift, u8 width,
58 void __iomem *busy_reg, u8 busy_shift);
60 struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
61 u8 width, void __iomem *busy_reg, u8 busy_shift,
62 const char **parent_names, int num_parents);
64 struct clk *imx_clk_fixup_divider(const char *name, const char *parent,
65 void __iomem *reg, u8 shift, u8 width,
66 void (*fixup)(u32 *val));
68 struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
69 u8 shift, u8 width, const char **parents,
70 int num_parents, void (*fixup)(u32 *val));
72 static inline struct clk *imx_clk_fixed(const char *name, int rate)
74 return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
77 static inline struct clk *imx_clk_divider(const char *name, const char *parent,
78 void __iomem *reg, u8 shift, u8 width)
80 return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
81 reg, shift, width, 0, &imx_ccm_lock);
84 static inline struct clk *imx_clk_divider_flags(const char *name,
85 const char *parent, void __iomem *reg, u8 shift, u8 width,
88 return clk_register_divider(NULL, name, parent, flags,
89 reg, shift, width, 0, &imx_ccm_lock);
92 static inline struct clk *imx_clk_gate(const char *name, const char *parent,
93 void __iomem *reg, u8 shift)
95 return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
96 shift, 0, &imx_ccm_lock);
99 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
100 u8 shift, u8 width, const char **parents, int num_parents)
102 return clk_register_mux(NULL, name, parents, num_parents,
103 CLK_SET_RATE_NO_REPARENT, reg, shift,
104 width, 0, &imx_ccm_lock);
107 static inline struct clk *imx_clk_mux_flags(const char *name,
108 void __iomem *reg, u8 shift, u8 width, const char **parents,
109 int num_parents, unsigned long flags)
111 return clk_register_mux(NULL, name, parents, num_parents,
112 flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
116 static inline struct clk *imx_clk_fixed_factor(const char *name,
117 const char *parent, unsigned int mult, unsigned int div)
119 return clk_register_fixed_factor(NULL, name, parent,
120 CLK_SET_RATE_PARENT, mult, div);