diff options
Diffstat (limited to 'drivers/clk/at91/pmc.h')
| -rw-r--r-- | drivers/clk/at91/pmc.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index c6c14a79a4..529498308f 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -13,6 +13,19 @@ #define __PMC_H_ #include <io.h> +#include <linux/spinlock.h> +#include <printk.h> + +struct pmc_data { + unsigned int ncore; + struct clk **chws; + unsigned int nsystem; + struct clk **shws; + unsigned int nperiph; + struct clk **phws; + unsigned int ngck; + struct clk **ghws; +}; struct clk_range { unsigned long min; @@ -21,7 +34,163 @@ struct clk_range { #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,} +struct clk_master_layout { + u32 mask; + u8 pres_shift; +}; + +extern const struct clk_master_layout at91rm9200_master_layout; +extern const struct clk_master_layout at91sam9x5_master_layout; + +struct clk_master_characteristics { + struct clk_range output; + u32 divisors[4]; + u8 have_div3_pres; +}; + +struct clk_pll_layout { + u32 pllr_mask; + u16 mul_mask; + u8 mul_shift; +}; + +extern const struct clk_pll_layout at91rm9200_pll_layout; +extern const struct clk_pll_layout at91sam9g45_pll_layout; +extern const struct clk_pll_layout at91sam9g20_pllb_layout; +extern const struct clk_pll_layout sama5d3_pll_layout; + +struct clk_pll_characteristics { + struct clk_range input; + int num_output; + struct clk_range *output; + u16 *icpll; + u8 *out; +}; + +struct clk_programmable_layout { + u8 pres_shift; + u8 css_mask; + u8 have_slck_mck; +}; + +extern const struct clk_programmable_layout at91rm9200_programmable_layout; +extern const struct clk_programmable_layout at91sam9g45_programmable_layout; +extern const struct clk_programmable_layout at91sam9x5_programmable_layout; + +#define ndck(a, s) (a[s - 1].id + 1) +#define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) +struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, + unsigned int nperiph, unsigned int ngck); +void pmc_data_free(struct pmc_data *pmc_data); + int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); +struct clk *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data); + +struct clk * +at91_clk_register_audio_pll_frac(struct regmap *regmap, const char *name, + const char *parent_name); + +struct clk * +at91_clk_register_audio_pll_pad(struct regmap *regmap, const char *name, + const char *parent_name); + +struct clk * +at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name, + const char *parent_name); + +struct clk * +at91_clk_register_generated(struct regmap *regmap, + const char *name, const char **parent_names, + u8 num_parents, u8 id, bool pll_audio, + const struct clk_range *range); + +struct clk * +at91_clk_register_h32mx(struct regmap *regmap, const char *name, + const char *parent_name); + +struct clk * +at91_clk_i2s_mux_register(struct regmap *regmap, const char *name, + const char * const *parent_names, + unsigned int num_parents, u8 bus_id); + +struct clk * +at91_clk_register_main_rc_osc(struct regmap *regmap, const char *name, + u32 frequency, u32 accuracy); +struct clk * +at91_clk_register_main_osc(struct regmap *regmap, const char *name, + const char *parent_name, bool bypass); +struct clk * +at91_clk_register_rm9200_main(struct regmap *regmap, + const char *name, + const char *parent_name); +struct clk * +at91_clk_register_sam9x5_main(struct regmap *regmap, const char *name, + const char **parent_names, int num_parents); + +struct clk * +at91_clk_register_master(struct regmap *regmap, const char *name, + int num_parents, const char **parent_names, + const struct clk_master_layout *layout, + const struct clk_master_characteristics *characteristics); + +struct clk * +at91_clk_register_peripheral(struct regmap *regmap, const char *name, + const char *parent_name, u32 id); +struct clk * +at91_clk_register_sam9x5_peripheral(struct regmap *regmap, + const char *name, const char *parent_name, + u32 id, const struct clk_range *range); + +struct clk * +at91_clk_register_pll(struct regmap *regmap, const char *name, + const char *parent_name, u8 id, + const struct clk_pll_layout *layout, + const struct clk_pll_characteristics *characteristics); +struct clk * +at91_clk_register_plldiv(struct regmap *regmap, const char *name, + const char *parent_name); + +struct clk * +at91_clk_register_programmable(struct regmap *regmap, const char *name, + const char **parent_names, u8 num_parents, u8 id, + const struct clk_programmable_layout *layout); + +struct clk * +at91_clk_register_sam9260_slow(struct regmap *regmap, + const char *name, + const char **parent_names, + int num_parents); + +struct clk * +at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name, + const char **parent_names, u8 num_parents); + +struct clk * +at91_clk_register_system(struct regmap *regmap, const char *name, + const char *parent_name, u8 id); + +struct clk * +at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name, + const char **parent_names, u8 num_parents); +struct clk * +at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name, + const char *parent_name); +struct clk * +at91rm9200_clk_register_usb(struct regmap *regmap, const char *name, + const char *parent_name, const u32 *divisors); + +struct clk * +at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, + const char *name, const char *parent_name); + +#ifdef CONFIG_PM +void pmc_register_id(u8 id); +void pmc_register_pck(u8 pck); +#else +static inline void pmc_register_id(u8 id) {} +static inline void pmc_register_pck(u8 pck) {} +#endif + #endif /* __PMC_H_ */ |