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 struct clk *imx_clk_pllv1(const char *name, const char *parent,
12 struct clk *imx_clk_pllv2(const char *name, const char *parent,
23 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
24 const char *parent_name, void __iomem *base, u32 div_mask);
26 struct clk *clk_register_gate2(struct device *dev, const char *name,
27 const char *parent_name, unsigned long flags,
28 void __iomem *reg, u8 bit_idx,
29 u8 clk_gate_flags, spinlock_t *lock);
31 struct clk * imx_obtain_fixed_clock(
32 const char *name, unsigned long rate);
34 static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
35 void __iomem *reg, u8 shift)
37 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
38 shift, 0, &imx_ccm_lock);
41 struct clk *imx_clk_pfd(const char *name, const char *parent_name,
42 void __iomem *reg, u8 idx);
44 struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
45 void __iomem *reg, u8 shift, u8 width,
46 void __iomem *busy_reg, u8 busy_shift);
48 struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
49 u8 width, void __iomem *busy_reg, u8 busy_shift,
50 const char **parent_names, int num_parents);
52 static inline struct clk *imx_clk_fixed(const char *name, int rate)
54 return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
57 static inline struct clk *imx_clk_divider(const char *name, const char *parent,
58 void __iomem *reg, u8 shift, u8 width)
60 return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
61 reg, shift, width, 0, &imx_ccm_lock);
64 static inline struct clk *imx_clk_divider_flags(const char *name,
65 const char *parent, void __iomem *reg, u8 shift, u8 width,
68 return clk_register_divider(NULL, name, parent, flags,
69 reg, shift, width, 0, &imx_ccm_lock);
72 static inline struct clk *imx_clk_gate(const char *name, const char *parent,
73 void __iomem *reg, u8 shift)
75 return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
76 shift, 0, &imx_ccm_lock);
79 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
80 u8 shift, u8 width, const char **parents, int num_parents)
82 return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift,
83 width, 0, &imx_ccm_lock);
86 static inline struct clk *imx_clk_mux_flags(const char *name,
87 void __iomem *reg, u8 shift, u8 width, const char **parents,
88 int num_parents, unsigned long flags)
90 return clk_register_mux(NULL, name, parents, num_parents,
91 flags, reg, shift, width, 0,
95 static inline struct clk *imx_clk_fixed_factor(const char *name,
96 const char *parent, unsigned int mult, unsigned int div)
98 return clk_register_fixed_factor(NULL, name, parent,
99 CLK_SET_RATE_PARENT, mult, div);