diff options
Diffstat (limited to 'drivers/clk/tegra/clk.h')
-rw-r--r-- | drivers/clk/tegra/clk.h | 115 |
1 files changed, 75 insertions, 40 deletions
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 07cfacd91686..40fb011233c0 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -37,6 +37,8 @@ struct tegra_clk_sync_source { container_of(_hw, struct tegra_clk_sync_source, hw) extern const struct clk_ops tegra_clk_sync_source_ops; +extern int *periph_clk_enb_refcnt; + struct clk *tegra_clk_register_sync_source(const char *name, unsigned long fixed_rate, unsigned long max_rate); @@ -188,12 +190,15 @@ struct tegra_clk_pll_params { u32 ext_misc_reg[3]; u32 pmc_divnm_reg; u32 pmc_divp_reg; + u32 flags; int stepa_shift; int stepb_shift; int lock_delay; int max_p; struct pdiv_map *pdiv_tohw; struct div_nmp *div_nmp; + struct tegra_clk_pll_freq_table *freq_table; + unsigned long fixed_rate; }; /** @@ -233,10 +238,7 @@ struct tegra_clk_pll { struct clk_hw hw; void __iomem *clk_base; void __iomem *pmc; - u32 flags; - unsigned long fixed_rate; spinlock_t *lock; - struct tegra_clk_pll_freq_table *freq_table; struct tegra_clk_pll_params *params; }; @@ -258,56 +260,49 @@ extern const struct clk_ops tegra_clk_pll_ops; extern const struct clk_ops tegra_clk_plle_ops; struct clk *tegra_clk_register_pll(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, - unsigned long flags, unsigned long fixed_rate, - struct tegra_clk_pll_params *pll_params, u32 pll_flags, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock); + unsigned long flags, struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); struct clk *tegra_clk_register_plle(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, - unsigned long flags, unsigned long fixed_rate, - struct tegra_clk_pll_params *pll_params, u32 pll_flags, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock); + unsigned long flags, struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, - unsigned long flags, unsigned long fixed_rate, + unsigned long flags, struct tegra_clk_pll_params *pll_params, - u32 pll_flags, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock); struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, - unsigned long flags, unsigned long fixed_rate, + unsigned long flags, struct tegra_clk_pll_params *pll_params, - u32 pll_flags, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock); struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, - unsigned long flags, unsigned long fixed_rate, + unsigned long flags, struct tegra_clk_pll_params *pll_params, - u32 pll_flags, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock); struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, - unsigned long flags, unsigned long fixed_rate, + unsigned long flags, struct tegra_clk_pll_params *pll_params, - u32 pll_flags, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock, unsigned long parent_rate); struct clk *tegra_clk_register_plle_tegra114(const char *name, const char *parent_name, void __iomem *clk_base, unsigned long flags, - unsigned long fixed_rate, struct tegra_clk_pll_params *pll_params, - struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock); +struct clk *tegra_clk_register_pllss(const char *name, const char *parent_name, + void __iomem *clk_base, unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); + /** * struct tegra_clk_pll_out - PLL divider down clock * @@ -395,13 +390,14 @@ struct tegra_clk_periph_gate { #define TEGRA_PERIPH_MANUAL_RESET BIT(1) #define TEGRA_PERIPH_ON_APB BIT(2) #define TEGRA_PERIPH_WAR_1005168 BIT(3) +#define TEGRA_PERIPH_NO_DIV BIT(4) +#define TEGRA_PERIPH_NO_GATE BIT(5) void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert); extern const struct clk_ops tegra_clk_periph_gate_ops; struct clk *tegra_clk_register_periph_gate(const char *name, const char *parent_name, u8 gate_flags, void __iomem *clk_base, - unsigned long flags, int clk_num, - struct tegra_clk_periph_regs *pregs, int *enable_refcnt); + unsigned long flags, int clk_num, int *enable_refcnt); /** * struct clk-periph - peripheral clock @@ -443,26 +439,26 @@ struct clk *tegra_clk_register_periph_nodiv(const char *name, #define TEGRA_CLK_PERIPH(_mux_shift, _mux_mask, _mux_flags, \ _div_shift, _div_width, _div_frac_width, \ - _div_flags, _clk_num, _enb_refcnt, _regs, \ - _gate_flags, _table) \ + _div_flags, _clk_num,\ + _gate_flags, _table, _lock) \ { \ .mux = { \ .flags = _mux_flags, \ .shift = _mux_shift, \ .mask = _mux_mask, \ .table = _table, \ + .lock = _lock, \ }, \ .divider = { \ .flags = _div_flags, \ .shift = _div_shift, \ .width = _div_width, \ .frac_width = _div_frac_width, \ + .lock = _lock, \ }, \ .gate = { \ .flags = _gate_flags, \ .clk_num = _clk_num, \ - .enable_refcnt = _enb_refcnt, \ - .regs = _regs, \ }, \ .mux_ops = &clk_mux_ops, \ .div_ops = &tegra_clk_frac_div_ops, \ @@ -472,7 +468,10 @@ struct clk *tegra_clk_register_periph_nodiv(const char *name, struct tegra_periph_init_data { const char *name; int clk_id; - const char **parent_names; + union { + const char **parent_names; + const char *parent_name; + } p; int num_parents; struct tegra_clk_periph periph; u32 offset; @@ -483,20 +482,19 @@ struct tegra_periph_init_data { #define TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parent_names, _offset,\ _mux_shift, _mux_mask, _mux_flags, _div_shift, \ - _div_width, _div_frac_width, _div_flags, _regs, \ - _clk_num, _enb_refcnt, _gate_flags, _clk_id, _table,\ - _flags) \ + _div_width, _div_frac_width, _div_flags, \ + _clk_num, _gate_flags, _clk_id, _table, \ + _flags, _lock) \ { \ .name = _name, \ .clk_id = _clk_id, \ - .parent_names = _parent_names, \ + .p.parent_names = _parent_names, \ .num_parents = ARRAY_SIZE(_parent_names), \ .periph = TEGRA_CLK_PERIPH(_mux_shift, _mux_mask, \ _mux_flags, _div_shift, \ _div_width, _div_frac_width, \ _div_flags, _clk_num, \ - _enb_refcnt, _regs, \ - _gate_flags, _table), \ + _gate_flags, _table, _lock), \ .offset = _offset, \ .con_id = _con_id, \ .dev_id = _dev_id, \ @@ -505,13 +503,13 @@ struct tegra_periph_init_data { #define TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parent_names, _offset,\ _mux_shift, _mux_width, _mux_flags, _div_shift, \ - _div_width, _div_frac_width, _div_flags, _regs, \ - _clk_num, _enb_refcnt, _gate_flags, _clk_id) \ + _div_width, _div_frac_width, _div_flags, \ + _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parent_names, _offset,\ _mux_shift, BIT(_mux_width) - 1, _mux_flags, \ _div_shift, _div_width, _div_frac_width, _div_flags, \ - _regs, _clk_num, _enb_refcnt, _gate_flags, _clk_id,\ - NULL, 0) + _clk_num, _gate_flags, _clk_id,\ + NULL, 0, NULL) /** * struct clk_super_mux - super clock @@ -581,12 +579,49 @@ struct tegra_clk_duplicate { }, \ } +struct tegra_clk { + int dt_id; + bool present; +}; + +struct tegra_devclk { + int dt_id; + char *dev_id; + char *con_id; +}; + void tegra_init_from_table(struct tegra_clk_init_table *tbl, struct clk *clks[], int clk_max); void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list, struct clk *clks[], int clk_max); +struct tegra_clk_periph_regs *get_reg_bank(int clkid); +struct clk **tegra_clk_init(int num, int periph_banks); + +struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk); + +void tegra_add_of_provider(struct device_node *np); +void tegra_register_devclks(struct tegra_devclk *dev_clks, int num); + +void tegra_audio_clk_init(void __iomem *clk_base, + void __iomem *pmc_base, struct tegra_clk *tegra_clks, + struct tegra_clk_pll_params *pll_params); + +void tegra_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base, + struct tegra_clk *tegra_clks, + struct tegra_clk_pll_params *pll_params); + +void tegra_pmc_clk_init(void __iomem *pmc_base, struct tegra_clk *tegra_clks); +void tegra_fixed_clk_init(struct tegra_clk *tegra_clks); +int tegra_osc_clk_init(void __iomem *clk_base, struct tegra_clk *tegra_clks, + unsigned long *input_freqs, int num, + unsigned long *osc_freq, + unsigned long *pll_ref_freq); +void tegra_super_clk_gen4_init(void __iomem *clk_base, + void __iomem *pmc_base, struct tegra_clk *tegra_clks, + struct tegra_clk_pll_params *pll_params); + void tegra114_clock_tune_cpu_trimmers_high(void); void tegra114_clock_tune_cpu_trimmers_low(void); void tegra114_clock_tune_cpu_trimmers_init(void); |