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 @@ +#ifndef __MACH_IMX_CLK_H +#define __MACH_IMX_CLK_H + +#include <linux/spinlock.h> +#include <linux/clk-provider.h> +#include <mach/clock.h> + +struct clk *imx_clk_pllv1(const char *name, const char *parent, + void __iomem *base); + +struct clk *imx_clk_pllv2(const char *name, const char *parent, + void __iomem *base); + +enum imx_pllv3_type { + IMX_PLLV3_GENERIC, + IMX_PLLV3_SYS, + IMX_PLLV3_USB, + IMX_PLLV3_AV, + IMX_PLLV3_ENET, + IMX_PLLV3_MLB, +}; + +struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, + const char *parent_name, void __iomem *base, u32 gate_mask, + u32 div_mask); + +struct clk *clk_register_gate2(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 bit_idx, + u8 clk_gate_flags, spinlock_t *lock); + +static inline struct clk *imx_clk_gate2(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, + shift, 0, &imx_ccm_lock); +} + +struct clk *imx_clk_pfd(const char *name, const char *parent_name, + void __iomem *reg, u8 idx); + +struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, + void __iomem *reg, u8 shift, u8 width, + void __iomem *busy_reg, u8 busy_shift); + +struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, + u8 width, void __iomem *busy_reg, u8 busy_shift, + const char **parent_names, int num_parents); + +static inline struct clk *imx_clk_fixed(const char *name, int rate) +{ + return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); +} + +static inline struct clk *imx_clk_divider(const char *name, const char *parent, + void __iomem *reg, u8 shift, u8 width) +{ + return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT, + reg, shift, width, 0, &imx_ccm_lock); +} + +static inline struct clk *imx_clk_gate(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg, + shift, 0, &imx_ccm_lock); +} + +static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, + u8 shift, u8 width, const char **parents, int num_parents) +{ + return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift, + width, 0, &imx_ccm_lock); +} + +static inline struct clk *imx_clk_fixed_factor(const char *name, + const char *parent, unsigned int mult, unsigned int div) +{ + return clk_register_fixed_factor(NULL, name, parent, + CLK_SET_RATE_PARENT, mult, div); +} + +#endif |