diff options
Diffstat (limited to 'arch/arm/mach-imx/clk.h')
-rw-r--r-- | arch/arm/mach-imx/clk.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/clk.h b/arch/arm/mach-imx/clk.h new file mode 100644 index 000000000000..1bf64fe2523c --- /dev/null +++ b/arch/arm/mach-imx/clk.h | |||
@@ -0,0 +1,83 @@ | |||
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 | #include <mach/clock.h> | ||
7 | |||
8 | struct clk *imx_clk_pllv1(const char *name, const char *parent, | ||
9 | void __iomem *base); | ||
10 | |||
11 | struct clk *imx_clk_pllv2(const char *name, const char *parent, | ||
12 | void __iomem *base); | ||
13 | |||
14 | enum imx_pllv3_type { | ||
15 | IMX_PLLV3_GENERIC, | ||
16 | IMX_PLLV3_SYS, | ||
17 | IMX_PLLV3_USB, | ||
18 | IMX_PLLV3_AV, | ||
19 | IMX_PLLV3_ENET, | ||
20 | IMX_PLLV3_MLB, | ||
21 | }; | ||
22 | |||
23 | struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, | ||
24 | const char *parent_name, void __iomem *base, u32 gate_mask, | ||
25 | u32 div_mask); | ||
26 | |||
27 | struct clk *clk_register_gate2(struct device *dev, const char *name, | ||
28 | const char *parent_name, unsigned long flags, | ||
29 | void __iomem *reg, u8 bit_idx, | ||
30 | u8 clk_gate_flags, spinlock_t *lock); | ||
31 | |||
32 | static inline struct clk *imx_clk_gate2(const char *name, const char *parent, | ||
33 | void __iomem *reg, u8 shift) | ||
34 | { | ||
35 | return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, | ||
36 | shift, 0, &imx_ccm_lock); | ||
37 | } | ||
38 | |||
39 | struct clk *imx_clk_pfd(const char *name, const char *parent_name, | ||
40 | void __iomem *reg, u8 idx); | ||
41 | |||
42 | struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, | ||
43 | void __iomem *reg, u8 shift, u8 width, | ||
44 | void __iomem *busy_reg, u8 busy_shift); | ||
45 | |||
46 | struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, | ||
47 | u8 width, void __iomem *busy_reg, u8 busy_shift, | ||
48 | const char **parent_names, int num_parents); | ||
49 | |||
50 | static inline struct clk *imx_clk_fixed(const char *name, int rate) | ||
51 | { | ||
52 | return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); | ||
53 | } | ||
54 | |||
55 | static inline struct clk *imx_clk_divider(const char *name, const char *parent, | ||
56 | void __iomem *reg, u8 shift, u8 width) | ||
57 | { | ||
58 | return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT, | ||
59 | reg, shift, width, 0, &imx_ccm_lock); | ||
60 | } | ||
61 | |||
62 | static inline struct clk *imx_clk_gate(const char *name, const char *parent, | ||
63 | void __iomem *reg, u8 shift) | ||
64 | { | ||
65 | return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg, | ||
66 | shift, 0, &imx_ccm_lock); | ||
67 | } | ||
68 | |||
69 | static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, | ||
70 | u8 shift, u8 width, const char **parents, int num_parents) | ||
71 | { | ||
72 | return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift, | ||
73 | width, 0, &imx_ccm_lock); | ||
74 | } | ||
75 | |||
76 | static inline struct clk *imx_clk_fixed_factor(const char *name, | ||
77 | const char *parent, unsigned int mult, unsigned int div) | ||
78 | { | ||
79 | return clk_register_fixed_factor(NULL, name, parent, | ||
80 | CLK_SET_RATE_PARENT, mult, div); | ||
81 | } | ||
82 | |||
83 | #endif | ||