diff options
Diffstat (limited to 'drivers/clk/samsung/clk.h')
| -rw-r--r-- | drivers/clk/samsung/clk.h | 72 |
1 files changed, 48 insertions, 24 deletions
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h index c7141ba826e0..9693b80d924f 100644 --- a/drivers/clk/samsung/clk.h +++ b/drivers/clk/samsung/clk.h @@ -22,6 +22,18 @@ #include "clk-pll.h" /** + * struct samsung_clk_provider: information about clock provider + * @reg_base: virtual address for the register base. + * @clk_data: holds clock related data like clk* and number of clocks. + * @lock: maintains exclusion bwtween callbacks for a given clock-provider. + */ +struct samsung_clk_provider { + void __iomem *reg_base; + struct clk_onecell_data clk_data; + spinlock_t lock; +}; + +/** * struct samsung_clock_alias: information about mux clock * @id: platform specific id of the clock. * @dev_name: name of the device to which this clock belongs. @@ -312,40 +324,52 @@ struct samsung_pll_clock { __PLL(_typ, _id, NULL, _name, _pname, CLK_GET_RATE_NOCACHE, \ _lock, _con, _rtable, _alias) -extern void __init samsung_clk_init(struct device_node *np, void __iomem *base, - unsigned long nr_clks); +extern struct samsung_clk_provider *__init samsung_clk_init( + struct device_node *np, void __iomem *base, + unsigned long nr_clks); extern void __init samsung_clk_of_register_fixed_ext( - struct samsung_fixed_rate_clock *fixed_rate_clk, - unsigned int nr_fixed_rate_clk, - struct of_device_id *clk_matches); + struct samsung_clk_provider *ctx, + struct samsung_fixed_rate_clock *fixed_rate_clk, + unsigned int nr_fixed_rate_clk, + struct of_device_id *clk_matches); -extern void samsung_clk_add_lookup(struct clk *clk, unsigned int id); +extern void samsung_clk_add_lookup(struct samsung_clk_provider *ctx, + struct clk *clk, unsigned int id); -extern void samsung_clk_register_alias(struct samsung_clock_alias *list, - unsigned int nr_clk); +extern void samsung_clk_register_alias(struct samsung_clk_provider *ctx, + struct samsung_clock_alias *list, + unsigned int nr_clk); extern void __init samsung_clk_register_fixed_rate( - struct samsung_fixed_rate_clock *clk_list, unsigned int nr_clk); + struct samsung_clk_provider *ctx, + struct samsung_fixed_rate_clock *clk_list, + unsigned int nr_clk); extern void __init samsung_clk_register_fixed_factor( - struct samsung_fixed_factor_clock *list, unsigned int nr_clk); -extern void __init samsung_clk_register_mux(struct samsung_mux_clock *clk_list, - unsigned int nr_clk); -extern void __init samsung_clk_register_div(struct samsung_div_clock *clk_list, - unsigned int nr_clk); -extern void __init samsung_clk_register_gate( - struct samsung_gate_clock *clk_list, unsigned int nr_clk); -extern void __init samsung_clk_register_pll(struct samsung_pll_clock *pll_list, - unsigned int nr_clk, void __iomem *base); + struct samsung_clk_provider *ctx, + struct samsung_fixed_factor_clock *list, + unsigned int nr_clk); +extern void __init samsung_clk_register_mux(struct samsung_clk_provider *ctx, + struct samsung_mux_clock *clk_list, + unsigned int nr_clk); +extern void __init samsung_clk_register_div(struct samsung_clk_provider *ctx, + struct samsung_div_clock *clk_list, + unsigned int nr_clk); +extern void __init samsung_clk_register_gate(struct samsung_clk_provider *ctx, + struct samsung_gate_clock *clk_list, + unsigned int nr_clk); +extern void __init samsung_clk_register_pll(struct samsung_clk_provider *ctx, + struct samsung_pll_clock *pll_list, + unsigned int nr_clk, void __iomem *base); extern unsigned long _get_rate(const char *clk_name); extern void samsung_clk_save(void __iomem *base, - struct samsung_clk_reg_dump *rd, - unsigned int num_regs); + struct samsung_clk_reg_dump *rd, + unsigned int num_regs); extern void samsung_clk_restore(void __iomem *base, - const struct samsung_clk_reg_dump *rd, - unsigned int num_regs); + const struct samsung_clk_reg_dump *rd, + unsigned int num_regs); extern struct samsung_clk_reg_dump *samsung_clk_alloc_reg_dump( - const unsigned long *rdump, - unsigned long nr_rdump); + const unsigned long *rdump, + unsigned long nr_rdump); #endif /* __SAMSUNG_CLK_H */ |