arch/arm/mach-imx/clk.h

   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 static inline struct clk *imx_clk_fixed(const char *name, int rate)
  43 {
  44         return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
  45 }
  46
  47 static inline struct clk *imx_clk_divider(const char *name, const char *parent,
  48                 void __iomem *reg, u8 shift, u8 width)
  49 {
  50         return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
  51                         reg, shift, width, 0, &imx_ccm_lock);
  52 }
  53
  54 static inline struct clk *imx_clk_gate(const char *name, const char *parent,
  55                 void __iomem *reg, u8 shift)
  56 {
  57         return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
  58                         shift, 0, &imx_ccm_lock);
  59 }
  60
  61 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
  62                 u8 shift, u8 width, const char **parents, int num_parents)
  63 {
  64         return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift,
  65                         width, 0, &imx_ccm_lock);
  66 }
  67
  68 static inline struct clk *imx_clk_fixed_factor(const char *name,
  69                 const char *parent, unsigned int mult, unsigned int div)
  70 {
  71         return clk_register_fixed_factor(NULL, name, parent,
  72                         CLK_SET_RATE_PARENT, mult, div);
  73 }
  74
  75 #endif