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 void imx_check_clocks(struct clk *clks[], unsigned int count);
10 void imx_register_uart_clocks(struct clk ** const clks[]);
12 extern void imx_cscmr1_fixup(u32 *val);
23 struct clk *imx_clk_pllv1(enum imx_pllv1_type type, const char *name,
24 const char *parent, void __iomem *base);
26 struct clk *imx_clk_pllv2(const char *name, const char *parent,
39 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
40 const char *parent_name, void __iomem *base, u32 div_mask);
42 struct clk *clk_register_gate2(struct device *dev, const char *name,
43 const char *parent_name, unsigned long flags,
44 void __iomem *reg, u8 bit_idx, u8 cgr_val,
45 u8 clk_gate_flags, spinlock_t *lock,
46 unsigned int *share_count);
48 struct clk * imx_obtain_fixed_clock(
49 const char *name, unsigned long rate);
51 struct clk *imx_clk_gate_exclusive(const char *name, const char *parent,
52 void __iomem *reg, u8 shift, u32 exclusive_mask);
54 static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
55 void __iomem *reg, u8 shift)
57 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
58 shift, 0x3, 0, &imx_ccm_lock, NULL);
61 static inline struct clk *imx_clk_gate2_shared(const char *name,
62 const char *parent, void __iomem *reg, u8 shift,
63 unsigned int *share_count)
65 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
66 shift, 0x3, 0, &imx_ccm_lock, share_count);
69 static inline struct clk *imx_clk_gate2_cgr(const char *name, const char *parent,
70 void __iomem *reg, u8 shift, u8 cgr_val)
72 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
73 shift, cgr_val, 0, &imx_ccm_lock, NULL);
76 struct clk *imx_clk_pfd(const char *name, const char *parent_name,
77 void __iomem *reg, u8 idx);
79 struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
80 void __iomem *reg, u8 shift, u8 width,
81 void __iomem *busy_reg, u8 busy_shift);
83 struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
84 u8 width, void __iomem *busy_reg, u8 busy_shift,
85 const char **parent_names, int num_parents);
87 struct clk *imx_clk_fixup_divider(const char *name, const char *parent,
88 void __iomem *reg, u8 shift, u8 width,
89 void (*fixup)(u32 *val));
91 struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
92 u8 shift, u8 width, const char **parents,
93 int num_parents, void (*fixup)(u32 *val));
95 static inline struct clk *imx_clk_fixed(const char *name, int rate)
97 return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
100 static inline struct clk *imx_clk_divider(const char *name, const char *parent,
101 void __iomem *reg, u8 shift, u8 width)
103 return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
104 reg, shift, width, 0, &imx_ccm_lock);
107 static inline struct clk *imx_clk_divider_flags(const char *name,
108 const char *parent, void __iomem *reg, u8 shift, u8 width,
111 return clk_register_divider(NULL, name, parent, flags,
112 reg, shift, width, 0, &imx_ccm_lock);
115 static inline struct clk *imx_clk_gate(const char *name, const char *parent,
116 void __iomem *reg, u8 shift)
118 return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
119 shift, 0, &imx_ccm_lock);
122 static inline struct clk *imx_clk_gate_dis(const char *name, const char *parent,
123 void __iomem *reg, u8 shift)
125 return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
126 shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
129 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
130 u8 shift, u8 width, const char **parents, int num_parents)
132 return clk_register_mux(NULL, name, parents, num_parents,
133 CLK_SET_RATE_NO_REPARENT, reg, shift,
134 width, 0, &imx_ccm_lock);
137 static inline struct clk *imx_clk_mux_flags(const char *name,
138 void __iomem *reg, u8 shift, u8 width, const char **parents,
139 int num_parents, unsigned long flags)
141 return clk_register_mux(NULL, name, parents, num_parents,
142 flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
146 static inline struct clk *imx_clk_fixed_factor(const char *name,
147 const char *parent, unsigned int mult, unsigned int div)
149 return clk_register_fixed_factor(NULL, name, parent,
150 CLK_SET_RATE_PARENT, mult, div);
153 struct clk *imx_clk_cpu(const char *name, const char *parent_name,
154 struct clk *div, struct clk *mux, struct clk *pll,