xref: /openbmc/linux/drivers/clk/qcom/clk-alpha-pll.h (revision c832da79)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. */
3 
4 #ifndef __QCOM_CLK_ALPHA_PLL_H__
5 #define __QCOM_CLK_ALPHA_PLL_H__
6 
7 #include <linux/clk-provider.h>
8 #include "clk-regmap.h"
9 
10 /* Alpha PLL types */
11 enum {
12 	CLK_ALPHA_PLL_TYPE_DEFAULT,
13 	CLK_ALPHA_PLL_TYPE_HUAYRA,
14 	CLK_ALPHA_PLL_TYPE_BRAMMO,
15 	CLK_ALPHA_PLL_TYPE_FABIA,
16 	CLK_ALPHA_PLL_TYPE_TRION,
17 	CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION,
18 	CLK_ALPHA_PLL_TYPE_AGERA,
19 	CLK_ALPHA_PLL_TYPE_ZONDA,
20 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
21 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
22 	CLK_ALPHA_PLL_TYPE_MAX,
23 };
24 
25 enum {
26 	PLL_OFF_L_VAL,
27 	PLL_OFF_CAL_L_VAL,
28 	PLL_OFF_ALPHA_VAL,
29 	PLL_OFF_ALPHA_VAL_U,
30 	PLL_OFF_USER_CTL,
31 	PLL_OFF_USER_CTL_U,
32 	PLL_OFF_USER_CTL_U1,
33 	PLL_OFF_CONFIG_CTL,
34 	PLL_OFF_CONFIG_CTL_U,
35 	PLL_OFF_CONFIG_CTL_U1,
36 	PLL_OFF_TEST_CTL,
37 	PLL_OFF_TEST_CTL_U,
38 	PLL_OFF_TEST_CTL_U1,
39 	PLL_OFF_STATUS,
40 	PLL_OFF_OPMODE,
41 	PLL_OFF_FRAC,
42 	PLL_OFF_CAL_VAL,
43 	PLL_OFF_MAX_REGS
44 };
45 
46 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
47 
48 struct pll_vco {
49 	unsigned long min_freq;
50 	unsigned long max_freq;
51 	u32 val;
52 };
53 
54 #define VCO(a, b, c) { \
55 	.val = a,\
56 	.min_freq = b,\
57 	.max_freq = c,\
58 }
59 
60 /**
61  * struct clk_alpha_pll - phase locked loop (PLL)
62  * @offset: base address of registers
63  * @vco_table: array of VCO settings
64  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
65  * @clkr: regmap clock handle
66  */
67 struct clk_alpha_pll {
68 	u32 offset;
69 	const u8 *regs;
70 
71 	const struct pll_vco *vco_table;
72 	size_t num_vco;
73 #define SUPPORTS_OFFLINE_REQ	BIT(0)
74 #define SUPPORTS_FSM_MODE	BIT(2)
75 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
76 	u8 flags;
77 
78 	struct clk_regmap clkr;
79 };
80 
81 /**
82  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
83  * @offset: base address of registers
84  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
85  * @width: width of post-divider
86  * @post_div_shift: shift to differentiate between odd & even post-divider
87  * @post_div_table: table with PLL odd and even post-divider settings
88  * @num_post_div: Number of PLL post-divider settings
89  *
90  * @clkr: regmap clock handle
91  */
92 struct clk_alpha_pll_postdiv {
93 	u32 offset;
94 	u8 width;
95 	const u8 *regs;
96 
97 	struct clk_regmap clkr;
98 	int post_div_shift;
99 	const struct clk_div_table *post_div_table;
100 	size_t num_post_div;
101 };
102 
103 struct alpha_pll_config {
104 	u32 l;
105 	u32 alpha;
106 	u32 alpha_hi;
107 	u32 config_ctl_val;
108 	u32 config_ctl_hi_val;
109 	u32 config_ctl_hi1_val;
110 	u32 user_ctl_val;
111 	u32 user_ctl_hi_val;
112 	u32 user_ctl_hi1_val;
113 	u32 test_ctl_val;
114 	u32 test_ctl_hi_val;
115 	u32 test_ctl_hi1_val;
116 	u32 main_output_mask;
117 	u32 aux_output_mask;
118 	u32 aux2_output_mask;
119 	u32 early_output_mask;
120 	u32 alpha_en_mask;
121 	u32 alpha_mode_mask;
122 	u32 pre_div_val;
123 	u32 pre_div_mask;
124 	u32 post_div_val;
125 	u32 post_div_mask;
126 	u32 vco_val;
127 	u32 vco_mask;
128 };
129 
130 extern const struct clk_ops clk_alpha_pll_ops;
131 extern const struct clk_ops clk_alpha_pll_fixed_ops;
132 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
133 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
134 extern const struct clk_ops clk_alpha_pll_huayra_ops;
135 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
136 
137 extern const struct clk_ops clk_alpha_pll_fabia_ops;
138 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
139 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
140 
141 extern const struct clk_ops clk_alpha_pll_trion_ops;
142 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
143 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
144 
145 extern const struct clk_ops clk_alpha_pll_lucid_ops;
146 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
147 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
148 extern const struct clk_ops clk_alpha_pll_agera_ops;
149 
150 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
151 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
152 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
153 
154 extern const struct clk_ops clk_alpha_pll_zonda_ops;
155 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
156 
157 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
158 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
159 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
160 
161 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
162 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
163 
164 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
165 			     const struct alpha_pll_config *config);
166 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
167 				const struct alpha_pll_config *config);
168 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
169 			     const struct alpha_pll_config *config);
170 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
171 				const struct alpha_pll_config *config);
172 #define clk_lucid_pll_configure(pll, regmap, config) \
173 	clk_trion_pll_configure(pll, regmap, config)
174 
175 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
176 			     const struct alpha_pll_config *config);
177 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
178 				 const struct alpha_pll_config *config);
179 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
180 				  const struct alpha_pll_config *config);
181 
182 #endif
183