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Move the mux table init and fill macro function definitions from the sama7g5 pmc driver to the pmc.h header file since they will be used by other SoC's pmc drivers as well like sam9x7. Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com> Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev> Link: https://lore.kernel.org/r/20240729070753.1990866-1-varshini.rajendran@microchip.com Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
299 lines
8.9 KiB
C
299 lines
8.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* drivers/clk/at91/pmc.h
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*
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* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
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*/
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#ifndef __PMC_H_
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#define __PMC_H_
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#include <linux/io.h>
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#include <linux/irqdomain.h>
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#include <linux/regmap.h>
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#include <linux/spinlock.h>
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#include <dt-bindings/clock/at91.h>
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extern spinlock_t pmc_pcr_lock;
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struct pmc_data {
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unsigned int ncore;
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struct clk_hw **chws;
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unsigned int nsystem;
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struct clk_hw **shws;
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unsigned int nperiph;
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struct clk_hw **phws;
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unsigned int ngck;
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struct clk_hw **ghws;
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unsigned int npck;
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struct clk_hw **pchws;
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struct clk_hw *hwtable[];
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};
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struct clk_range {
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unsigned long min;
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unsigned long max;
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};
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#define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
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struct clk_master_layout {
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u32 offset;
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u32 mask;
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u8 pres_shift;
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};
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extern const struct clk_master_layout at91rm9200_master_layout;
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extern const struct clk_master_layout at91sam9x5_master_layout;
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struct clk_master_characteristics {
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struct clk_range output;
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u32 divisors[5];
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u8 have_div3_pres;
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};
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struct clk_pll_layout {
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u32 pllr_mask;
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u32 mul_mask;
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u32 frac_mask;
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u32 div_mask;
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u32 endiv_mask;
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u8 mul_shift;
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u8 frac_shift;
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u8 div_shift;
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u8 endiv_shift;
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u8 div2;
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};
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extern const struct clk_pll_layout at91rm9200_pll_layout;
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extern const struct clk_pll_layout at91sam9g45_pll_layout;
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extern const struct clk_pll_layout at91sam9g20_pllb_layout;
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extern const struct clk_pll_layout sama5d3_pll_layout;
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struct clk_pll_characteristics {
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struct clk_range input;
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int num_output;
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const struct clk_range *output;
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const struct clk_range *core_output;
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u16 *icpll;
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u8 *out;
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u8 upll : 1;
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};
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struct clk_programmable_layout {
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u8 pres_mask;
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u8 pres_shift;
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u8 css_mask;
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u8 have_slck_mck;
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u8 is_pres_direct;
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};
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extern const struct clk_programmable_layout at91rm9200_programmable_layout;
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extern const struct clk_programmable_layout at91sam9g45_programmable_layout;
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extern const struct clk_programmable_layout at91sam9x5_programmable_layout;
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struct clk_pcr_layout {
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u32 offset;
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u32 cmd;
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u32 div_mask;
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u32 gckcss_mask;
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u32 pid_mask;
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};
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/**
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* struct at91_clk_pms - Power management state for AT91 clock
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* @rate: clock rate
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* @parent_rate: clock parent rate
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* @status: clock status (enabled or disabled)
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* @parent: clock parent index
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*/
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struct at91_clk_pms {
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unsigned long rate;
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unsigned long parent_rate;
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unsigned int status;
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unsigned int parent;
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};
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#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
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#define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
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#define ndck(a, s) (a[s - 1].id + 1)
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#define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1)
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#define PMC_INIT_TABLE(_table, _count) \
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do { \
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u8 _i; \
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for (_i = 0; _i < (_count); _i++) \
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(_table)[_i] = _i; \
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} while (0)
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#define PMC_FILL_TABLE(_to, _from, _count) \
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do { \
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u8 _i; \
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for (_i = 0; _i < (_count); _i++) { \
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(_to)[_i] = (_from)[_i]; \
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} \
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} while (0)
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struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem,
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unsigned int nperiph, unsigned int ngck,
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unsigned int npck);
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int of_at91_get_clk_range(struct device_node *np, const char *propname,
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struct clk_range *range);
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struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data);
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struct clk_hw * __init
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at91_clk_register_audio_pll_frac(struct regmap *regmap, const char *name,
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const char *parent_name);
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struct clk_hw * __init
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at91_clk_register_audio_pll_pad(struct regmap *regmap, const char *name,
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const char *parent_name);
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struct clk_hw * __init
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at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name,
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const char *parent_name);
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struct clk_hw * __init
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at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
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const struct clk_pcr_layout *layout,
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const char *name, const char **parent_names,
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struct clk_hw **parent_hws, u32 *mux_table,
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u8 num_parents, u8 id,
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const struct clk_range *range, int chg_pid);
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struct clk_hw * __init
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at91_clk_register_h32mx(struct regmap *regmap, const char *name,
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const char *parent_name);
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struct clk_hw * __init
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at91_clk_i2s_mux_register(struct regmap *regmap, const char *name,
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const char * const *parent_names,
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unsigned int num_parents, u8 bus_id);
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struct clk_hw * __init
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at91_clk_register_main_rc_osc(struct regmap *regmap, const char *name,
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u32 frequency, u32 accuracy);
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struct clk_hw * __init
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at91_clk_register_main_osc(struct regmap *regmap, const char *name,
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const char *parent_name,
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struct clk_parent_data *parent_data, bool bypass);
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struct clk_hw * __init
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at91_clk_register_rm9200_main(struct regmap *regmap,
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const char *name,
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const char *parent_name,
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struct clk_hw *parent_hw);
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struct clk_hw * __init
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at91_clk_register_sam9x5_main(struct regmap *regmap, const char *name,
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const char **parent_names,
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struct clk_hw **parent_hws, int num_parents);
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struct clk_hw * __init
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at91_clk_register_master_pres(struct regmap *regmap, const char *name,
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int num_parents, const char **parent_names,
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struct clk_hw **parent_hws,
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const struct clk_master_layout *layout,
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const struct clk_master_characteristics *characteristics,
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spinlock_t *lock);
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struct clk_hw * __init
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at91_clk_register_master_div(struct regmap *regmap, const char *name,
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const char *parent_names, struct clk_hw *parent_hw,
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const struct clk_master_layout *layout,
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const struct clk_master_characteristics *characteristics,
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spinlock_t *lock, u32 flags, u32 safe_div);
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struct clk_hw * __init
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at91_clk_sama7g5_register_master(struct regmap *regmap,
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const char *name, int num_parents,
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const char **parent_names,
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struct clk_hw **parent_hws, u32 *mux_table,
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spinlock_t *lock, u8 id, bool critical,
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int chg_pid);
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struct clk_hw * __init
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at91_clk_register_peripheral(struct regmap *regmap, const char *name,
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const char *parent_name, struct clk_hw *parent_hw,
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u32 id);
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struct clk_hw * __init
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at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
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const struct clk_pcr_layout *layout,
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const char *name, const char *parent_name,
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struct clk_hw *parent_hw,
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u32 id, const struct clk_range *range,
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int chg_pid, unsigned long flags);
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struct clk_hw * __init
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at91_clk_register_pll(struct regmap *regmap, const char *name,
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const char *parent_name, u8 id,
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const struct clk_pll_layout *layout,
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const struct clk_pll_characteristics *characteristics);
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struct clk_hw * __init
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at91_clk_register_plldiv(struct regmap *regmap, const char *name,
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const char *parent_name);
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struct clk_hw * __init
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sam9x60_clk_register_div_pll(struct regmap *regmap, spinlock_t *lock,
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const char *name, const char *parent_name,
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struct clk_hw *parent_hw, u8 id,
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const struct clk_pll_characteristics *characteristics,
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const struct clk_pll_layout *layout, u32 flags,
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u32 safe_div);
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struct clk_hw * __init
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sam9x60_clk_register_frac_pll(struct regmap *regmap, spinlock_t *lock,
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const char *name, const char *parent_name,
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struct clk_hw *parent_hw, u8 id,
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const struct clk_pll_characteristics *characteristics,
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const struct clk_pll_layout *layout, u32 flags);
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struct clk_hw * __init
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at91_clk_register_programmable(struct regmap *regmap, const char *name,
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const char **parent_names, struct clk_hw **parent_hws,
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u8 num_parents, u8 id,
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const struct clk_programmable_layout *layout,
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u32 *mux_table);
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struct clk_hw * __init
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at91_clk_register_sam9260_slow(struct regmap *regmap,
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const char *name,
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const char **parent_names,
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int num_parents);
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struct clk_hw * __init
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at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
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const char **parent_names, u8 num_parents);
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struct clk_hw * __init
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at91_clk_register_system(struct regmap *regmap, const char *name,
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const char *parent_name, struct clk_hw *parent_hw,
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u8 id, unsigned long flags);
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struct clk_hw * __init
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at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
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const char **parent_names, u8 num_parents);
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struct clk_hw * __init
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at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
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const char *parent_name);
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struct clk_hw * __init
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sam9x60_clk_register_usb(struct regmap *regmap, const char *name,
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const char **parent_names, u8 num_parents);
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struct clk_hw * __init
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at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
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const char *parent_name, const u32 *divisors);
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struct clk_hw * __init
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at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
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const char *name, const char *parent_name,
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struct clk_hw *parent_hw);
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struct clk_hw * __init
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at91_clk_sama7g5_register_utmi(struct regmap *regmap, const char *name,
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const char *parent_name, struct clk_hw *parent_hw);
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#endif /* __PMC_H_ */
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