xref: /linux/drivers/clk/qcom/clk-alpha-pll.h (revision 9f3a2ba62c7226a6604b8aaeb92b5ff906fa4e6b)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2015, 2018, 2021 The Linux Foundation. All rights reserved.
4  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
5  */
6 
7 
8 #ifndef __QCOM_CLK_ALPHA_PLL_H__
9 #define __QCOM_CLK_ALPHA_PLL_H__
10 
11 #include <linux/clk-provider.h>
12 #include "clk-regmap.h"
13 
14 /* Alpha PLL types */
15 enum {
16 	CLK_ALPHA_PLL_TYPE_DEFAULT,
17 	CLK_ALPHA_PLL_TYPE_HUAYRA,
18 	CLK_ALPHA_PLL_TYPE_HUAYRA_APSS,
19 	CLK_ALPHA_PLL_TYPE_HUAYRA_2290,
20 	CLK_ALPHA_PLL_TYPE_BRAMMO,
21 	CLK_ALPHA_PLL_TYPE_FABIA,
22 	CLK_ALPHA_PLL_TYPE_TRION,
23 	CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION,
24 	CLK_ALPHA_PLL_TYPE_AGERA,
25 	CLK_ALPHA_PLL_TYPE_ZONDA,
26 	CLK_ALPHA_PLL_TYPE_REGERA = CLK_ALPHA_PLL_TYPE_ZONDA,
27 	CLK_ALPHA_PLL_TYPE_ZONDA_OLE,
28 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
29 	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
30 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
31 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
32 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
33 	CLK_ALPHA_PLL_TYPE_STROMER,
34 	CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
35 	CLK_ALPHA_PLL_TYPE_NSS_HUAYRA,
36 	CLK_ALPHA_PLL_TYPE_MAX,
37 };
38 
39 enum {
40 	PLL_OFF_L_VAL,
41 	PLL_OFF_CAL_L_VAL,
42 	PLL_OFF_ALPHA_VAL,
43 	PLL_OFF_ALPHA_VAL_U,
44 	PLL_OFF_USER_CTL,
45 	PLL_OFF_USER_CTL_U,
46 	PLL_OFF_USER_CTL_U1,
47 	PLL_OFF_CONFIG_CTL,
48 	PLL_OFF_CONFIG_CTL_U,
49 	PLL_OFF_CONFIG_CTL_U1,
50 	PLL_OFF_CONFIG_CTL_U2,
51 	PLL_OFF_TEST_CTL,
52 	PLL_OFF_TEST_CTL_U,
53 	PLL_OFF_TEST_CTL_U1,
54 	PLL_OFF_TEST_CTL_U2,
55 	PLL_OFF_STATE,
56 	PLL_OFF_STATUS,
57 	PLL_OFF_OPMODE,
58 	PLL_OFF_FRAC,
59 	PLL_OFF_CAL_VAL,
60 	PLL_OFF_MAX_REGS
61 };
62 
63 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
64 
65 struct pll_vco {
66 	unsigned long min_freq;
67 	unsigned long max_freq;
68 	u32 val;
69 };
70 
71 #define VCO(a, b, c) { \
72 	.val = a,\
73 	.min_freq = b,\
74 	.max_freq = c,\
75 }
76 
77 /**
78  * struct clk_alpha_pll - phase locked loop (PLL)
79  * @offset: base address of registers
80  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
81  * @vco_table: array of VCO settings
82  * @num_vco: number of VCO settings in @vco_table
83  * @flags: bitmask to indicate features supported by the hardware
84  * @clkr: regmap clock handle
85  */
86 struct clk_alpha_pll {
87 	u32 offset;
88 	const u8 *regs;
89 
90 	const struct pll_vco *vco_table;
91 	size_t num_vco;
92 #define SUPPORTS_OFFLINE_REQ		BIT(0)
93 #define SUPPORTS_FSM_MODE		BIT(2)
94 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
95 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
96 	u8 flags;
97 
98 	struct clk_regmap clkr;
99 };
100 
101 /**
102  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
103  * @offset: base address of registers
104  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
105  * @width: width of post-divider
106  * @post_div_shift: shift to differentiate between odd & even post-divider
107  * @post_div_table: table with PLL odd and even post-divider settings
108  * @num_post_div: Number of PLL post-divider settings
109  *
110  * @clkr: regmap clock handle
111  */
112 struct clk_alpha_pll_postdiv {
113 	u32 offset;
114 	u8 width;
115 	const u8 *regs;
116 
117 	struct clk_regmap clkr;
118 	int post_div_shift;
119 	const struct clk_div_table *post_div_table;
120 	size_t num_post_div;
121 };
122 
123 struct alpha_pll_config {
124 	u32 l;
125 	u32 alpha;
126 	u32 alpha_hi;
127 	u32 config_ctl_val;
128 	u32 config_ctl_hi_val;
129 	u32 config_ctl_hi1_val;
130 	u32 config_ctl_hi2_val;
131 	u32 user_ctl_val;
132 	u32 user_ctl_hi_val;
133 	u32 user_ctl_hi1_val;
134 	u32 test_ctl_val;
135 	u32 test_ctl_mask;
136 	u32 test_ctl_hi_val;
137 	u32 test_ctl_hi_mask;
138 	u32 test_ctl_hi1_val;
139 	u32 test_ctl_hi2_val;
140 	u32 main_output_mask;
141 	u32 aux_output_mask;
142 	u32 aux2_output_mask;
143 	u32 early_output_mask;
144 	u32 alpha_en_mask;
145 	u32 alpha_mode_mask;
146 	u32 pre_div_val;
147 	u32 pre_div_mask;
148 	u32 post_div_val;
149 	u32 post_div_mask;
150 	u32 vco_val;
151 	u32 vco_mask;
152 	u32 status_val;
153 	u32 status_mask;
154 	u32 lock_det;
155 };
156 
157 extern const struct clk_ops clk_alpha_pll_ops;
158 extern const struct clk_ops clk_alpha_pll_fixed_ops;
159 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
160 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
161 extern const struct clk_ops clk_alpha_pll_huayra_ops;
162 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
163 extern const struct clk_ops clk_alpha_pll_stromer_ops;
164 extern const struct clk_ops clk_alpha_pll_stromer_plus_ops;
165 
166 extern const struct clk_ops clk_alpha_pll_fabia_ops;
167 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
168 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
169 
170 extern const struct clk_ops clk_alpha_pll_trion_ops;
171 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
172 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
173 
174 extern const struct clk_ops clk_alpha_pll_lucid_ops;
175 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
176 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
177 extern const struct clk_ops clk_alpha_pll_agera_ops;
178 
179 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
180 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
181 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
182 
183 extern const struct clk_ops clk_alpha_pll_zonda_ops;
184 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
185 #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
186 
187 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
188 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
189 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
190 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
191 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
192 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
193 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
194 
195 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
196 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
197 
198 extern const struct clk_ops clk_alpha_pll_regera_ops;
199 
200 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
201 			     const struct alpha_pll_config *config);
202 void clk_huayra_2290_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
203 				   const struct alpha_pll_config *config);
204 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
205 				const struct alpha_pll_config *config);
206 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
207 			     const struct alpha_pll_config *config);
208 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
209 				const struct alpha_pll_config *config);
210 #define clk_lucid_pll_configure(pll, regmap, config) \
211 	clk_trion_pll_configure(pll, regmap, config)
212 
213 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
214 			     const struct alpha_pll_config *config);
215 void clk_lucid_5lpe_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
216 				  const struct alpha_pll_config *config);
217 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
218 				 const struct alpha_pll_config *config);
219 void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
220 				 const struct alpha_pll_config *config);
221 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
222 				  const struct alpha_pll_config *config);
223 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
224 			       const struct alpha_pll_config *config);
225 void clk_regera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
226 			     const struct alpha_pll_config *config);
227 
228 #endif
229