#ifndef __MACH_MMP_CLK_H #define __MACH_MMP_CLK_H #include <linux/clk-provider.h> #include <linux/clkdev.h> #define APBC_NO_BUS_CTRL BIT(0) #define APBC_POWER_CTRL BIT(1) /* Clock type "factor" */ struct mmp_clk_factor_masks { unsigned int factor; unsigned int num_mask; unsigned int den_mask; unsigned int num_shift; unsigned int den_shift; }; struct mmp_clk_factor_tbl { unsigned int num; unsigned int den; }; struct mmp_clk_factor { struct clk_hw hw; void __iomem *base; struct mmp_clk_factor_masks *masks; struct mmp_clk_factor_tbl *ftbl; unsigned int ftbl_cnt; spinlock_t *lock; }; extern struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, unsigned long flags, void __iomem *base, struct mmp_clk_factor_masks *masks, struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt, spinlock_t *lock); /* Clock type "mix" */ #define MMP_CLK_BITS_MASK(width, shift) \ (((1 << (width)) - 1) << (shift)) #define MMP_CLK_BITS_GET_VAL(data, width, shift) \ ((data & MMP_CLK_BITS_MASK(width, shift)) >> (shift)) #define MMP_CLK_BITS_SET_VAL(val, width, shift) \ (((val) << (shift)) & MMP_CLK_BITS_MASK(width, shift)) enum { MMP_CLK_MIX_TYPE_V1, MMP_CLK_MIX_TYPE_V2, MMP_CLK_MIX_TYPE_V3, }; /* The register layout */ struct mmp_clk_mix_reg_info { void __iomem *reg_clk_ctrl; void __iomem *reg_clk_sel; u8 width_div; u8 shift_div; u8 width_mux; u8 shift_mux; u8 bit_fc; }; /* The suggested clock table from user. */ struct mmp_clk_mix_clk_table { unsigned long rate; u8 parent_index; unsigned int divisor; unsigned int valid; }; struct mmp_clk_mix_config { struct mmp_clk_mix_reg_info reg_info; struct mmp_clk_mix_clk_table *table; unsigned int table_size; u32 *mux_table; struct clk_div_table *div_table; u8 div_flags; u8 mux_flags; }; struct mmp_clk_mix { struct clk_hw hw; struct mmp_clk_mix_reg_info reg_info; struct mmp_clk_mix_clk_table *table; u32 *mux_table; struct clk_div_table *div_table; unsigned int table_size; u8 div_flags; u8 mux_flags; unsigned int type; spinlock_t *lock; }; extern const struct clk_ops mmp_clk_mix_ops; extern struct clk *mmp_clk_register_mix(struct device *dev, const char *name, const char **parent_names, u8 num_parents, unsigned long flags, struct mmp_clk_mix_config *config, spinlock_t *lock); /* Clock type "gate". MMP private gate */ #define MMP_CLK_GATE_NEED_DELAY BIT(0) struct mmp_clk_gate { struct clk_hw hw; void __iomem *reg; u32 mask; u32 val_enable; u32 val_disable; unsigned int flags; spinlock_t *lock; }; extern const struct clk_ops mmp_clk_gate_ops; extern struct clk *mmp_clk_register_gate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u32 mask, u32 val_enable, u32 val_disable, unsigned int gate_flags, spinlock_t *lock); extern struct clk *mmp_clk_register_pll2(const char *name, const char *parent_name, unsigned long flags); extern struct clk *mmp_clk_register_apbc(const char *name, const char *parent_name, void __iomem *base, unsigned int delay, unsigned int apbc_flags, spinlock_t *lock); extern struct clk *mmp_clk_register_apmu(const char *name, const char *parent_name, void __iomem *base, u32 enable_mask, spinlock_t *lock); struct mmp_clk_unit { unsigned int nr_clks; struct clk **clk_table; struct clk_onecell_data clk_data; }; struct mmp_param_fixed_rate_clk { unsigned int id; char *name; const char *parent_name; unsigned long flags; unsigned long fixed_rate; }; void mmp_register_fixed_rate_clks(struct mmp_clk_unit *unit, struct mmp_param_fixed_rate_clk *clks, int size); struct mmp_param_fixed_factor_clk { unsigned int id; char *name; const char *parent_name; unsigned long mult; unsigned long div; unsigned long flags; }; void mmp_register_fixed_factor_clks(struct mmp_clk_unit *unit, struct mmp_param_fixed_factor_clk *clks, int size); struct mmp_param_general_gate_clk { unsigned int id; const char *name; const char *parent_name; unsigned long flags; unsigned long offset; u8 bit_idx; u8 gate_flags; spinlock_t *lock; }; void mmp_register_general_gate_clks(struct mmp_clk_unit *unit, struct mmp_param_general_gate_clk *clks, void __iomem *base, int size); struct mmp_param_gate_clk { unsigned int id; char *name; const char *parent_name; unsigned long flags; unsigned long offset; u32 mask; u32 val_enable; u32 val_disable; unsigned int gate_flags; spinlock_t *lock; }; void mmp_register_gate_clks(struct mmp_clk_unit *unit, struct mmp_param_gate_clk *clks, void __iomem *base, int size); struct mmp_param_mux_clk { unsigned int id; char *name; const char **parent_name; u8 num_parents; unsigned long flags; unsigned long offset; u8 shift; u8 width; u8 mux_flags; spinlock_t *lock; }; void mmp_register_mux_clks(struct mmp_clk_unit *unit, struct mmp_param_mux_clk *clks, void __iomem *base, int size); struct mmp_param_div_clk { unsigned int id; char *name; const char *parent_name; unsigned long flags; unsigned long offset; u8 shift; u8 width; u8 div_flags; spinlock_t *lock; }; void mmp_register_div_clks(struct mmp_clk_unit *unit, struct mmp_param_div_clk *clks, void __iomem *base, int size); #define DEFINE_MIX_REG_INFO(w_d, s_d, w_m, s_m, fc) \ { \ .width_div = (w_d), \ .shift_div = (s_d), \ .width_mux = (w_m), \ .shift_mux = (s_m), \ .bit_fc = (fc), \ } void mmp_clk_init(struct device_node *np, struct mmp_clk_unit *unit, int nr_clks); void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id, struct clk *clk); #endif