diff options
Diffstat (limited to 'drivers/clk/zte/clk.h')
-rw-r--r-- | drivers/clk/zte/clk.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/clk/zte/clk.h b/drivers/clk/zte/clk.h index 65ae08b818d3..0df3474b2cf3 100644 --- a/drivers/clk/zte/clk.h +++ b/drivers/clk/zte/clk.h @@ -12,6 +12,26 @@ #include <linux/clk-provider.h> #include <linux/spinlock.h> +#define PNAME(x) static const char *x[] + +#define CLK_HW_INIT(_name, _parent, _ops, _flags) \ + &(struct clk_init_data) { \ + .flags = _flags, \ + .name = _name, \ + .parent_names = (const char *[]) { _parent }, \ + .num_parents = 1, \ + .ops = _ops, \ + } + +#define CLK_HW_INIT_PARENTS(_name, _parents, _ops, _flags) \ + &(struct clk_init_data) { \ + .flags = _flags, \ + .name = _name, \ + .parent_names = _parents, \ + .num_parents = ARRAY_SIZE(_parents), \ + .ops = _ops, \ + } + struct zx_pll_config { unsigned long rate; u32 cfg0; @@ -24,8 +44,115 @@ struct clk_zx_pll { const struct zx_pll_config *lookup_table; /* order by rate asc */ int count; spinlock_t *lock; + u8 pd_bit; /* power down bit */ + u8 lock_bit; /* pll lock flag bit */ +}; + +#define PLL_RATE(_rate, _cfg0, _cfg1) \ +{ \ + .rate = _rate, \ + .cfg0 = _cfg0, \ + .cfg1 = _cfg1, \ +} + +#define ZX_PLL(_name, _parent, _reg, _table, _pd, _lock) \ +{ \ + .reg_base = (void __iomem *) _reg, \ + .lookup_table = _table, \ + .count = ARRAY_SIZE(_table), \ + .pd_bit = _pd, \ + .lock_bit = _lock, \ + .hw.init = CLK_HW_INIT(_name, _parent, &zx_pll_ops, \ + CLK_GET_RATE_NOCACHE), \ +} + +#define ZX296718_PLL(_name, _parent, _reg, _table) \ +ZX_PLL(_name, _parent, _reg, _table, 0, 30) + +struct zx_clk_gate { + struct clk_gate gate; + u16 id; +}; + +#define GATE(_id, _name, _parent, _reg, _bit, _flag, _gflags) \ +{ \ + .gate = { \ + .reg = (void __iomem *) _reg, \ + .bit_idx = (_bit), \ + .flags = _gflags, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &clk_gate_ops, \ + _flag | CLK_IGNORE_UNUSED), \ + }, \ + .id = _id, \ +} + +struct zx_clk_fixed_factor { + struct clk_fixed_factor factor; + u16 id; +}; + +#define FFACTOR(_id, _name, _parent, _mult, _div, _flag) \ +{ \ + .factor = { \ + .div = _div, \ + .mult = _mult, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &clk_fixed_factor_ops, \ + _flag), \ + }, \ + .id = _id, \ +} + +struct zx_clk_mux { + struct clk_mux mux; + u16 id; +}; + +#define MUX_F(_id, _name, _parent, _reg, _shift, _width, _flag, _mflag) \ +{ \ + .mux = { \ + .reg = (void __iomem *) _reg, \ + .mask = BIT(_width) - 1, \ + .shift = _shift, \ + .flags = _mflag, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT_PARENTS(_name, \ + _parent, \ + &clk_mux_ops, \ + _flag), \ + }, \ + .id = _id, \ +} + +#define MUX(_id, _name, _parent, _reg, _shift, _width) \ +MUX_F(_id, _name, _parent, _reg, _shift, _width, 0, 0) + +struct zx_clk_div { + struct clk_divider div; + u16 id; }; +#define DIV_T(_id, _name, _parent, _reg, _shift, _width, _flag, _table) \ +{ \ + .div = { \ + .reg = (void __iomem *) _reg, \ + .shift = _shift, \ + .width = _width, \ + .flags = 0, \ + .table = _table, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &clk_divider_ops, \ + _flag), \ + }, \ + .id = _id, \ +} + struct clk *clk_register_zx_pll(const char *name, const char *parent_name, unsigned long flags, void __iomem *reg_base, const struct zx_pll_config *lookup_table, int count, spinlock_t *lock); @@ -38,4 +165,6 @@ struct clk_zx_audio { struct clk *clk_register_zx_audio(const char *name, const char * const parent_name, unsigned long flags, void __iomem *reg_base); + +extern const struct clk_ops zx_pll_ops; #endif |