diff options
Diffstat (limited to 'drivers/clk/at91/pmc.h')
| -rw-r--r-- | drivers/clk/at91/pmc.h | 163 |
1 files changed, 130 insertions, 33 deletions
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 672a79bda88c..543d7aee8d24 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * drivers/clk/at91/pmc.h * * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __PMC_H_ @@ -17,6 +13,8 @@ #include <linux/regmap.h> #include <linux/spinlock.h> +#include <dt-bindings/clock/at91.h> + extern spinlock_t pmc_pcr_lock; struct pmc_data { @@ -28,6 +26,10 @@ struct pmc_data { struct clk_hw **phws; unsigned int ngck; struct clk_hw **ghws; + unsigned int npck; + struct clk_hw **pchws; + + struct clk_hw *hwtable[]; }; struct clk_range { @@ -38,6 +40,7 @@ struct clk_range { #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,} struct clk_master_layout { + u32 offset; u32 mask; u8 pres_shift; }; @@ -47,14 +50,21 @@ extern const struct clk_master_layout at91sam9x5_master_layout; struct clk_master_characteristics { struct clk_range output; - u32 divisors[4]; + u32 divisors[5]; u8 have_div3_pres; }; struct clk_pll_layout { u32 pllr_mask; - u16 mul_mask; + u32 mul_mask; + u32 frac_mask; + u32 div_mask; + u32 endiv_mask; u8 mul_shift; + u8 frac_shift; + u8 div_shift; + u8 endiv_shift; + u8 div2; }; extern const struct clk_pll_layout at91rm9200_pll_layout; @@ -65,26 +75,69 @@ extern const struct clk_pll_layout sama5d3_pll_layout; struct clk_pll_characteristics { struct clk_range input; int num_output; - struct clk_range *output; + const struct clk_range *output; + const struct clk_range *core_output; u16 *icpll; u8 *out; + u8 upll : 1; + u32 acr; }; struct clk_programmable_layout { + u8 pres_mask; u8 pres_shift; u8 css_mask; u8 have_slck_mck; + u8 is_pres_direct; }; 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; +struct clk_pcr_layout { + u32 offset; + u32 cmd; + u32 div_mask; + u32 gckcss_mask; + u32 pid_mask; +}; + +/** + * struct at91_clk_pms - Power management state for AT91 clock + * @rate: clock rate + * @parent_rate: clock parent rate + * @status: clock status (enabled or disabled) + * @parent: clock parent index + */ +struct at91_clk_pms { + unsigned long rate; + unsigned long parent_rate; + unsigned int status; + unsigned int parent; +}; + #define ndck(a, s) (a[s - 1].id + 1) #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) + +#define PMC_INIT_TABLE(_table, _count) \ + do { \ + u8 _i; \ + for (_i = 0; _i < (_count); _i++) \ + (_table)[_i] = _i; \ + } while (0) + +#define PMC_FILL_TABLE(_to, _from, _count) \ + do { \ + u8 _i; \ + for (_i = 0; _i < (_count); _i++) { \ + (_to)[_i] = (_from)[_i]; \ + } \ + } while (0) + 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); + unsigned int nperiph, unsigned int ngck, + unsigned int npck); int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); @@ -105,9 +158,11 @@ at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name, struct clk_hw * __init at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, + const struct clk_pcr_layout *layout, const char *name, const char **parent_names, - u8 num_parents, u8 id, bool pll_audio, - const struct clk_range *range); + struct clk_hw **parent_hws, u32 *mux_table, + u8 num_parents, u8 id, + const struct clk_range *range, int chg_pid); struct clk_hw * __init at91_clk_register_h32mx(struct regmap *regmap, const char *name, @@ -123,28 +178,52 @@ at91_clk_register_main_rc_osc(struct regmap *regmap, const char *name, u32 frequency, u32 accuracy); struct clk_hw * __init at91_clk_register_main_osc(struct regmap *regmap, const char *name, - const char *parent_name, bool bypass); + const char *parent_name, + struct clk_parent_data *parent_data, bool bypass); struct clk_hw * __init at91_clk_register_rm9200_main(struct regmap *regmap, const char *name, - const char *parent_name); + const char *parent_name, + struct clk_hw *parent_hw); struct clk_hw * __init at91_clk_register_sam9x5_main(struct regmap *regmap, const char *name, - const char **parent_names, int num_parents); + const char **parent_names, + struct clk_hw **parent_hws, int num_parents); struct clk_hw * __init -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); +at91_clk_register_master_pres(struct regmap *regmap, const char *name, + int num_parents, const char **parent_names, + struct clk_hw **parent_hws, + const struct clk_master_layout *layout, + const struct clk_master_characteristics *characteristics, + spinlock_t *lock); + +struct clk_hw * __init +at91_clk_register_master_div(struct regmap *regmap, const char *name, + const char *parent_names, struct clk_hw *parent_hw, + const struct clk_master_layout *layout, + const struct clk_master_characteristics *characteristics, + spinlock_t *lock, u32 flags, u32 safe_div); + +struct clk_hw * __init +at91_clk_sama7g5_register_master(struct regmap *regmap, + const char *name, int num_parents, + const char **parent_names, + struct clk_hw **parent_hws, u32 *mux_table, + spinlock_t *lock, u8 id, bool critical, + int chg_pid); struct clk_hw * __init at91_clk_register_peripheral(struct regmap *regmap, const char *name, - const char *parent_name, u32 id); + const char *parent_name, struct clk_hw *parent_hw, + u32 id); struct clk_hw * __init at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock, + const struct clk_pcr_layout *layout, const char *name, const char *parent_name, - u32 id, const struct clk_range *range); + struct clk_hw *parent_hw, + u32 id, const struct clk_range *range, + int chg_pid, unsigned long flags); struct clk_hw * __init at91_clk_register_pll(struct regmap *regmap, const char *name, @@ -156,9 +235,26 @@ at91_clk_register_plldiv(struct regmap *regmap, const char *name, const char *parent_name); struct clk_hw * __init +sam9x60_clk_register_div_pll(struct regmap *regmap, spinlock_t *lock, + const char *name, const char *parent_name, + struct clk_hw *parent_hw, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, u32 flags, + u32 safe_div); + +struct clk_hw * __init +sam9x60_clk_register_frac_pll(struct regmap *regmap, spinlock_t *lock, + const char *name, const char *parent_name, + struct clk_hw *parent_hw, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, u32 flags); + +struct clk_hw * __init 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); + const char **parent_names, struct clk_hw **parent_hws, + u8 num_parents, u8 id, + const struct clk_programmable_layout *layout, + u32 *mux_table); struct clk_hw * __init at91_clk_register_sam9260_slow(struct regmap *regmap, @@ -172,7 +268,8 @@ at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name, struct clk_hw * __init at91_clk_register_system(struct regmap *regmap, const char *name, - const char *parent_name, u8 id); + const char *parent_name, struct clk_hw *parent_hw, + u8 id, unsigned long flags); struct clk_hw * __init at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name, @@ -181,19 +278,19 @@ struct clk_hw * __init at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name, const char *parent_name); struct clk_hw * __init +sam9x60_clk_register_usb(struct regmap *regmap, const char *name, + const char **parent_names, u8 num_parents); +struct clk_hw * __init at91rm9200_clk_register_usb(struct regmap *regmap, const char *name, const char *parent_name, const u32 *divisors); struct clk_hw * __init 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 + const char *name, const char *parent_name, + struct clk_hw *parent_hw); + +struct clk_hw * __init +at91_clk_sama7g5_register_utmi(struct regmap *regmap, const char *name, + const char *parent_name, struct clk_hw *parent_hw); #endif /* __PMC_H_ */ |