12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 20ad6125bSBoris BREZILLON /* 30ad6125bSBoris BREZILLON * drivers/clk/at91/pmc.h 40ad6125bSBoris BREZILLON * 50ad6125bSBoris BREZILLON * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com> 60ad6125bSBoris BREZILLON */ 70ad6125bSBoris BREZILLON 80ad6125bSBoris BREZILLON #ifndef __PMC_H_ 90ad6125bSBoris BREZILLON #define __PMC_H_ 100ad6125bSBoris BREZILLON 110ad6125bSBoris BREZILLON #include <linux/io.h> 120ad6125bSBoris BREZILLON #include <linux/irqdomain.h> 13863a81c3SBoris Brezillon #include <linux/regmap.h> 140ad6125bSBoris BREZILLON #include <linux/spinlock.h> 150ad6125bSBoris BREZILLON 161bdf0232SBoris Brezillon extern spinlock_t pmc_pcr_lock; 171bdf0232SBoris Brezillon 18b00cd8e4SAlexandre Belloni struct pmc_data { 19b00cd8e4SAlexandre Belloni unsigned int ncore; 20b00cd8e4SAlexandre Belloni struct clk_hw **chws; 21b00cd8e4SAlexandre Belloni unsigned int nsystem; 22b00cd8e4SAlexandre Belloni struct clk_hw **shws; 23b00cd8e4SAlexandre Belloni unsigned int nperiph; 24b00cd8e4SAlexandre Belloni struct clk_hw **phws; 25b00cd8e4SAlexandre Belloni unsigned int ngck; 26b00cd8e4SAlexandre Belloni struct clk_hw **ghws; 27b00cd8e4SAlexandre Belloni }; 28b00cd8e4SAlexandre Belloni 290ad6125bSBoris BREZILLON struct clk_range { 300ad6125bSBoris BREZILLON unsigned long min; 310ad6125bSBoris BREZILLON unsigned long max; 320ad6125bSBoris BREZILLON }; 330ad6125bSBoris BREZILLON 340ad6125bSBoris BREZILLON #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,} 350ad6125bSBoris BREZILLON 36b2e39dc0SAlexandre Belloni struct clk_master_layout { 37e5be5370SAlexandre Belloni u32 offset; 38b2e39dc0SAlexandre Belloni u32 mask; 39b2e39dc0SAlexandre Belloni u8 pres_shift; 40b2e39dc0SAlexandre Belloni }; 41b2e39dc0SAlexandre Belloni 42b2e39dc0SAlexandre Belloni extern const struct clk_master_layout at91rm9200_master_layout; 43b2e39dc0SAlexandre Belloni extern const struct clk_master_layout at91sam9x5_master_layout; 44b2e39dc0SAlexandre Belloni 45b2e39dc0SAlexandre Belloni struct clk_master_characteristics { 46b2e39dc0SAlexandre Belloni struct clk_range output; 47b2e39dc0SAlexandre Belloni u32 divisors[4]; 48b2e39dc0SAlexandre Belloni u8 have_div3_pres; 49b2e39dc0SAlexandre Belloni }; 50b2e39dc0SAlexandre Belloni 51b2e39dc0SAlexandre Belloni struct clk_pll_layout { 52b2e39dc0SAlexandre Belloni u32 pllr_mask; 53b2e39dc0SAlexandre Belloni u16 mul_mask; 54b2e39dc0SAlexandre Belloni u8 mul_shift; 55b2e39dc0SAlexandre Belloni }; 56b2e39dc0SAlexandre Belloni 57b2e39dc0SAlexandre Belloni extern const struct clk_pll_layout at91rm9200_pll_layout; 58b2e39dc0SAlexandre Belloni extern const struct clk_pll_layout at91sam9g45_pll_layout; 59b2e39dc0SAlexandre Belloni extern const struct clk_pll_layout at91sam9g20_pllb_layout; 60b2e39dc0SAlexandre Belloni extern const struct clk_pll_layout sama5d3_pll_layout; 61b2e39dc0SAlexandre Belloni 62b2e39dc0SAlexandre Belloni struct clk_pll_characteristics { 63b2e39dc0SAlexandre Belloni struct clk_range input; 64b2e39dc0SAlexandre Belloni int num_output; 657b4c162eSStephen Boyd const struct clk_range *output; 66b2e39dc0SAlexandre Belloni u16 *icpll; 67b2e39dc0SAlexandre Belloni u8 *out; 68a436c2a4SAlexandre Belloni u8 upll : 1; 69b2e39dc0SAlexandre Belloni }; 70b2e39dc0SAlexandre Belloni 71b2e39dc0SAlexandre Belloni struct clk_programmable_layout { 7245b06682SMatthias Wieloch u8 pres_mask; 73b2e39dc0SAlexandre Belloni u8 pres_shift; 74b2e39dc0SAlexandre Belloni u8 css_mask; 75b2e39dc0SAlexandre Belloni u8 have_slck_mck; 7645b06682SMatthias Wieloch u8 is_pres_direct; 77b2e39dc0SAlexandre Belloni }; 78b2e39dc0SAlexandre Belloni 79b2e39dc0SAlexandre Belloni extern const struct clk_programmable_layout at91rm9200_programmable_layout; 80b2e39dc0SAlexandre Belloni extern const struct clk_programmable_layout at91sam9g45_programmable_layout; 81b2e39dc0SAlexandre Belloni extern const struct clk_programmable_layout at91sam9x5_programmable_layout; 82b2e39dc0SAlexandre Belloni 83cb4f4949SAlexandre Belloni struct clk_pcr_layout { 84cb4f4949SAlexandre Belloni u32 offset; 85cb4f4949SAlexandre Belloni u32 cmd; 86cb4f4949SAlexandre Belloni u32 div_mask; 87cb4f4949SAlexandre Belloni u32 gckcss_mask; 88cb4f4949SAlexandre Belloni u32 pid_mask; 89cb4f4949SAlexandre Belloni }; 90cb4f4949SAlexandre Belloni 91cb4f4949SAlexandre Belloni #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1)) 92cb4f4949SAlexandre Belloni #define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask)) 93cb4f4949SAlexandre Belloni 94b00cd8e4SAlexandre Belloni #define ndck(a, s) (a[s - 1].id + 1) 95b00cd8e4SAlexandre Belloni #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) 96b00cd8e4SAlexandre Belloni struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, 97b00cd8e4SAlexandre Belloni unsigned int nperiph, unsigned int ngck); 98b00cd8e4SAlexandre Belloni void pmc_data_free(struct pmc_data *pmc_data); 99b00cd8e4SAlexandre Belloni 1000ad6125bSBoris BREZILLON int of_at91_get_clk_range(struct device_node *np, const char *propname, 1010ad6125bSBoris BREZILLON struct clk_range *range); 1020ad6125bSBoris BREZILLON 103b2e39dc0SAlexandre Belloni struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data); 104b2e39dc0SAlexandre Belloni 105b2e39dc0SAlexandre Belloni struct clk_hw * __init 106b2e39dc0SAlexandre Belloni at91_clk_register_audio_pll_frac(struct regmap *regmap, const char *name, 107b2e39dc0SAlexandre Belloni const char *parent_name); 108b2e39dc0SAlexandre Belloni 109b2e39dc0SAlexandre Belloni struct clk_hw * __init 110b2e39dc0SAlexandre Belloni at91_clk_register_audio_pll_pad(struct regmap *regmap, const char *name, 111b2e39dc0SAlexandre Belloni const char *parent_name); 112b2e39dc0SAlexandre Belloni 113b2e39dc0SAlexandre Belloni struct clk_hw * __init 114b2e39dc0SAlexandre Belloni at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name, 115b2e39dc0SAlexandre Belloni const char *parent_name); 116b2e39dc0SAlexandre Belloni 117b2e39dc0SAlexandre Belloni struct clk_hw * __init 118b2e39dc0SAlexandre Belloni at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, 119e4cfb823SAlexandre Belloni const struct clk_pcr_layout *layout, 120b2e39dc0SAlexandre Belloni const char *name, const char **parent_names, 121b2e39dc0SAlexandre Belloni u8 num_parents, u8 id, bool pll_audio, 122b2e39dc0SAlexandre Belloni const struct clk_range *range); 123b2e39dc0SAlexandre Belloni 124b2e39dc0SAlexandre Belloni struct clk_hw * __init 125b2e39dc0SAlexandre Belloni at91_clk_register_h32mx(struct regmap *regmap, const char *name, 126b2e39dc0SAlexandre Belloni const char *parent_name); 127b2e39dc0SAlexandre Belloni 128b2e39dc0SAlexandre Belloni struct clk_hw * __init 129b2e39dc0SAlexandre Belloni at91_clk_i2s_mux_register(struct regmap *regmap, const char *name, 130b2e39dc0SAlexandre Belloni const char * const *parent_names, 131b2e39dc0SAlexandre Belloni unsigned int num_parents, u8 bus_id); 132b2e39dc0SAlexandre Belloni 133b2e39dc0SAlexandre Belloni struct clk_hw * __init 134b2e39dc0SAlexandre Belloni at91_clk_register_main_rc_osc(struct regmap *regmap, const char *name, 135b2e39dc0SAlexandre Belloni u32 frequency, u32 accuracy); 136b2e39dc0SAlexandre Belloni struct clk_hw * __init 137b2e39dc0SAlexandre Belloni at91_clk_register_main_osc(struct regmap *regmap, const char *name, 138b2e39dc0SAlexandre Belloni const char *parent_name, bool bypass); 139b2e39dc0SAlexandre Belloni struct clk_hw * __init 140b2e39dc0SAlexandre Belloni at91_clk_register_rm9200_main(struct regmap *regmap, 141b2e39dc0SAlexandre Belloni const char *name, 142b2e39dc0SAlexandre Belloni const char *parent_name); 143b2e39dc0SAlexandre Belloni struct clk_hw * __init 144b2e39dc0SAlexandre Belloni at91_clk_register_sam9x5_main(struct regmap *regmap, const char *name, 145b2e39dc0SAlexandre Belloni const char **parent_names, int num_parents); 146b2e39dc0SAlexandre Belloni 147b2e39dc0SAlexandre Belloni struct clk_hw * __init 148b2e39dc0SAlexandre Belloni at91_clk_register_master(struct regmap *regmap, const char *name, 149b2e39dc0SAlexandre Belloni int num_parents, const char **parent_names, 150b2e39dc0SAlexandre Belloni const struct clk_master_layout *layout, 151b2e39dc0SAlexandre Belloni const struct clk_master_characteristics *characteristics); 152b2e39dc0SAlexandre Belloni 153b2e39dc0SAlexandre Belloni struct clk_hw * __init 154b2e39dc0SAlexandre Belloni at91_clk_register_peripheral(struct regmap *regmap, const char *name, 155b2e39dc0SAlexandre Belloni const char *parent_name, u32 id); 156b2e39dc0SAlexandre Belloni struct clk_hw * __init 157b2e39dc0SAlexandre Belloni at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock, 158cb4f4949SAlexandre Belloni const struct clk_pcr_layout *layout, 159b2e39dc0SAlexandre Belloni const char *name, const char *parent_name, 160b2e39dc0SAlexandre Belloni u32 id, const struct clk_range *range); 161b2e39dc0SAlexandre Belloni 162b2e39dc0SAlexandre Belloni struct clk_hw * __init 163b2e39dc0SAlexandre Belloni at91_clk_register_pll(struct regmap *regmap, const char *name, 164b2e39dc0SAlexandre Belloni const char *parent_name, u8 id, 165b2e39dc0SAlexandre Belloni const struct clk_pll_layout *layout, 166b2e39dc0SAlexandre Belloni const struct clk_pll_characteristics *characteristics); 167b2e39dc0SAlexandre Belloni struct clk_hw * __init 168b2e39dc0SAlexandre Belloni at91_clk_register_plldiv(struct regmap *regmap, const char *name, 169b2e39dc0SAlexandre Belloni const char *parent_name); 170b2e39dc0SAlexandre Belloni 171b2e39dc0SAlexandre Belloni struct clk_hw * __init 172a436c2a4SAlexandre Belloni sam9x60_clk_register_pll(struct regmap *regmap, spinlock_t *lock, 173a436c2a4SAlexandre Belloni const char *name, const char *parent_name, u8 id, 174a436c2a4SAlexandre Belloni const struct clk_pll_characteristics *characteristics); 175a436c2a4SAlexandre Belloni 176a436c2a4SAlexandre Belloni struct clk_hw * __init 177b2e39dc0SAlexandre Belloni at91_clk_register_programmable(struct regmap *regmap, const char *name, 178b2e39dc0SAlexandre Belloni const char **parent_names, u8 num_parents, u8 id, 179b2e39dc0SAlexandre Belloni const struct clk_programmable_layout *layout); 180b2e39dc0SAlexandre Belloni 181b2e39dc0SAlexandre Belloni struct clk_hw * __init 182b2e39dc0SAlexandre Belloni at91_clk_register_sam9260_slow(struct regmap *regmap, 183b2e39dc0SAlexandre Belloni const char *name, 184b2e39dc0SAlexandre Belloni const char **parent_names, 185b2e39dc0SAlexandre Belloni int num_parents); 186b2e39dc0SAlexandre Belloni 187b2e39dc0SAlexandre Belloni struct clk_hw * __init 188b2e39dc0SAlexandre Belloni at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name, 189b2e39dc0SAlexandre Belloni const char **parent_names, u8 num_parents); 190b2e39dc0SAlexandre Belloni 191b2e39dc0SAlexandre Belloni struct clk_hw * __init 192b2e39dc0SAlexandre Belloni at91_clk_register_system(struct regmap *regmap, const char *name, 193b2e39dc0SAlexandre Belloni const char *parent_name, u8 id); 194b2e39dc0SAlexandre Belloni 195b2e39dc0SAlexandre Belloni struct clk_hw * __init 196b2e39dc0SAlexandre Belloni at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name, 197b2e39dc0SAlexandre Belloni const char **parent_names, u8 num_parents); 198b2e39dc0SAlexandre Belloni struct clk_hw * __init 199b2e39dc0SAlexandre Belloni at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name, 200b2e39dc0SAlexandre Belloni const char *parent_name); 201b2e39dc0SAlexandre Belloni struct clk_hw * __init 2022423eeaeSAlexandre Belloni sam9x60_clk_register_usb(struct regmap *regmap, const char *name, 2032423eeaeSAlexandre Belloni const char **parent_names, u8 num_parents); 2042423eeaeSAlexandre Belloni struct clk_hw * __init 205b2e39dc0SAlexandre Belloni at91rm9200_clk_register_usb(struct regmap *regmap, const char *name, 206b2e39dc0SAlexandre Belloni const char *parent_name, const u32 *divisors); 207b2e39dc0SAlexandre Belloni 208b2e39dc0SAlexandre Belloni struct clk_hw * __init 209b2e39dc0SAlexandre Belloni at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, 210b2e39dc0SAlexandre Belloni const char *name, const char *parent_name); 211b2e39dc0SAlexandre Belloni 212b3b02eacSAlexandre Belloni #ifdef CONFIG_PM 213b3b02eacSAlexandre Belloni void pmc_register_id(u8 id); 21413967beaSRomain Izard void pmc_register_pck(u8 pck); 215b3b02eacSAlexandre Belloni #else 216b3b02eacSAlexandre Belloni static inline void pmc_register_id(u8 id) {} 21713967beaSRomain Izard static inline void pmc_register_pck(u8 pck) {} 218b3b02eacSAlexandre Belloni #endif 219b3b02eacSAlexandre Belloni 2200ad6125bSBoris BREZILLON #endif /* __PMC_H_ */ 221