xref: /openbmc/linux/drivers/clk/ux500/clk.h (revision 9a29f5fc)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Clocks for ux500 platforms
4  *
5  * Copyright (C) 2012 ST-Ericsson SA
6  * Author: Ulf Hansson <ulf.hansson@linaro.org>
7  */
8 
9 #ifndef __UX500_CLK_H
10 #define __UX500_CLK_H
11 
12 #include <linux/device.h>
13 #include <linux/types.h>
14 
15 struct clk;
16 struct clk_hw;
17 
18 struct clk *clk_reg_prcc_pclk(const char *name,
19 			      const char *parent_name,
20 			      resource_size_t phy_base,
21 			      u32 cg_sel,
22 			      unsigned long flags);
23 
24 struct clk *clk_reg_prcc_kclk(const char *name,
25 			      const char *parent_name,
26 			      resource_size_t phy_base,
27 			      u32 cg_sel,
28 			      unsigned long flags);
29 
30 struct clk_hw *clk_reg_prcmu_scalable(const char *name,
31 				      const char *parent_name,
32 				      u8 cg_sel,
33 				      unsigned long rate,
34 				      unsigned long flags);
35 
36 struct clk_hw *clk_reg_prcmu_gate(const char *name,
37 				  const char *parent_name,
38 				  u8 cg_sel,
39 				  unsigned long flags);
40 
41 struct clk_hw *clk_reg_prcmu_scalable_rate(const char *name,
42 					   const char *parent_name,
43 					   u8 cg_sel,
44 					   unsigned long rate,
45 					   unsigned long flags);
46 
47 struct clk_hw *clk_reg_prcmu_rate(const char *name,
48 				  const char *parent_name,
49 				  u8 cg_sel,
50 				  unsigned long flags);
51 
52 struct clk_hw *clk_reg_prcmu_opp_gate(const char *name,
53 				      const char *parent_name,
54 				      u8 cg_sel,
55 				      unsigned long flags);
56 
57 struct clk_hw *clk_reg_prcmu_opp_volt_scalable(const char *name,
58 					       const char *parent_name,
59 					       u8 cg_sel,
60 					       unsigned long rate,
61 					       unsigned long flags);
62 
63 struct clk_hw *clk_reg_prcmu_clkout(const char *name,
64 				    const char * const *parent_names,
65 				    int num_parents,
66 				    u8 source, u8 divider);
67 
68 struct clk *clk_reg_sysctrl_gate(struct device *dev,
69 				 const char *name,
70 				 const char *parent_name,
71 				 u16 reg_sel,
72 				 u8 reg_mask,
73 				 u8 reg_bits,
74 				 unsigned long enable_delay_us,
75 				 unsigned long flags);
76 
77 struct clk *clk_reg_sysctrl_gate_fixed_rate(struct device *dev,
78 					    const char *name,
79 					    const char *parent_name,
80 					    u16 reg_sel,
81 					    u8 reg_mask,
82 					    u8 reg_bits,
83 					    unsigned long rate,
84 					    unsigned long enable_delay_us,
85 					    unsigned long flags);
86 
87 struct clk *clk_reg_sysctrl_set_parent(struct device *dev,
88 				       const char *name,
89 				       const char **parent_names,
90 				       u8 num_parents,
91 				       u16 *reg_sel,
92 				       u8 *reg_mask,
93 				       u8 *reg_bits,
94 				       unsigned long flags);
95 
96 #endif /* __UX500_CLK_H */
97