1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Clock framework definitions for SPEAr platform
5 * Copyright (C) 2012 ST Microelectronics
12 #include <linux/clk-provider.h>
13 #include <linux/spinlock_types.h>
14 #include <linux/types.h>
16 /* Auxiliary Synth clk */
18 #define AUX_EQ_SEL_SHIFT 30
19 #define AUX_EQ_SEL_MASK 1
22 #define AUX_XSCALE_SHIFT 16
23 #define AUX_XSCALE_MASK 0xFFF
24 #define AUX_YSCALE_SHIFT 0
25 #define AUX_YSCALE_MASK 0xFFF
26 #define AUX_SYNT_ENB 31
28 struct aux_clk_masks {
49 const struct aux_clk_masks *masks;
50 struct aux_rate_tbl *rtbl;
55 /* Fractional Synth clk */
56 struct frac_rate_tbl {
63 struct frac_rate_tbl *rtbl;
77 struct gpt_rate_tbl *rtbl;
92 void __iomem *mode_reg;
93 void __iomem *cfg_reg;
94 struct pll_rate_tbl *rtbl;
102 const char *parent[1];
106 typedef unsigned long (*clk_calc_rate)(struct clk_hw *hw, unsigned long prate,
109 /* clk register routines */
110 struct clk *clk_register_aux(const char *aux_name, const char *gate_name,
111 const char *parent_name, unsigned long flags, void __iomem *reg,
112 const struct aux_clk_masks *masks, struct aux_rate_tbl *rtbl,
113 u8 rtbl_cnt, spinlock_t *lock, struct clk **gate_clk);
114 struct clk *clk_register_frac(const char *name, const char *parent_name,
115 unsigned long flags, void __iomem *reg,
116 struct frac_rate_tbl *rtbl, u8 rtbl_cnt, spinlock_t *lock);
117 struct clk *clk_register_gpt(const char *name, const char *parent_name, unsigned
118 long flags, void __iomem *reg, struct gpt_rate_tbl *rtbl, u8
119 rtbl_cnt, spinlock_t *lock);
120 struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name,
121 const char *vco_gate_name, const char *parent_name,
122 unsigned long flags, void __iomem *mode_reg, void __iomem
123 *cfg_reg, struct pll_rate_tbl *rtbl, u8 rtbl_cnt,
124 spinlock_t *lock, struct clk **pll_clk,
125 struct clk **vco_gate_clk);
127 long clk_round_rate_index(struct clk_hw *hw, unsigned long drate,
128 unsigned long parent_rate, clk_calc_rate calc_rate, u8 rtbl_cnt,
131 #endif /* __SPEAR_CLK_H */