xref: /linux/drivers/clk/qcom/clk-alpha-pll.h (revision 40ccd6aa3e2e05be93394e3cd560c718dedfcc77)
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_BRAMMO,
20 	CLK_ALPHA_PLL_TYPE_FABIA,
21 	CLK_ALPHA_PLL_TYPE_TRION,
22 	CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION,
23 	CLK_ALPHA_PLL_TYPE_AGERA,
24 	CLK_ALPHA_PLL_TYPE_ZONDA,
25 	CLK_ALPHA_PLL_TYPE_ZONDA_OLE,
26 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
27 	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
28 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
29 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
30 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
31 	CLK_ALPHA_PLL_TYPE_STROMER,
32 	CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
33 	CLK_ALPHA_PLL_TYPE_MAX,
34 };
35 
36 enum {
37 	PLL_OFF_L_VAL,
38 	PLL_OFF_CAL_L_VAL,
39 	PLL_OFF_ALPHA_VAL,
40 	PLL_OFF_ALPHA_VAL_U,
41 	PLL_OFF_USER_CTL,
42 	PLL_OFF_USER_CTL_U,
43 	PLL_OFF_USER_CTL_U1,
44 	PLL_OFF_CONFIG_CTL,
45 	PLL_OFF_CONFIG_CTL_U,
46 	PLL_OFF_CONFIG_CTL_U1,
47 	PLL_OFF_CONFIG_CTL_U2,
48 	PLL_OFF_TEST_CTL,
49 	PLL_OFF_TEST_CTL_U,
50 	PLL_OFF_TEST_CTL_U1,
51 	PLL_OFF_TEST_CTL_U2,
52 	PLL_OFF_STATE,
53 	PLL_OFF_STATUS,
54 	PLL_OFF_OPMODE,
55 	PLL_OFF_FRAC,
56 	PLL_OFF_CAL_VAL,
57 	PLL_OFF_MAX_REGS
58 };
59 
60 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
61 
62 struct pll_vco {
63 	unsigned long min_freq;
64 	unsigned long max_freq;
65 	u32 val;
66 };
67 
68 #define VCO(a, b, c) { \
69 	.val = a,\
70 	.min_freq = b,\
71 	.max_freq = c,\
72 }
73 
74 /**
75  * struct clk_alpha_pll - phase locked loop (PLL)
76  * @offset: base address of registers
77  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
78  * @vco_table: array of VCO settings
79  * @num_vco: number of VCO settings in @vco_table
80  * @flags: bitmask to indicate features supported by the hardware
81  * @clkr: regmap clock handle
82  */
83 struct clk_alpha_pll {
84 	u32 offset;
85 	const u8 *regs;
86 
87 	const struct pll_vco *vco_table;
88 	size_t num_vco;
89 #define SUPPORTS_OFFLINE_REQ		BIT(0)
90 #define SUPPORTS_FSM_MODE		BIT(2)
91 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
92 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
93 	u8 flags;
94 
95 	struct clk_regmap clkr;
96 };
97 
98 /**
99  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
100  * @offset: base address of registers
101  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
102  * @width: width of post-divider
103  * @post_div_shift: shift to differentiate between odd & even post-divider
104  * @post_div_table: table with PLL odd and even post-divider settings
105  * @num_post_div: Number of PLL post-divider settings
106  *
107  * @clkr: regmap clock handle
108  */
109 struct clk_alpha_pll_postdiv {
110 	u32 offset;
111 	u8 width;
112 	const u8 *regs;
113 
114 	struct clk_regmap clkr;
115 	int post_div_shift;
116 	const struct clk_div_table *post_div_table;
117 	size_t num_post_div;
118 };
119 
120 struct alpha_pll_config {
121 	u32 l;
122 	u32 alpha;
123 	u32 alpha_hi;
124 	u32 config_ctl_val;
125 	u32 config_ctl_hi_val;
126 	u32 config_ctl_hi1_val;
127 	u32 config_ctl_hi2_val;
128 	u32 user_ctl_val;
129 	u32 user_ctl_hi_val;
130 	u32 user_ctl_hi1_val;
131 	u32 test_ctl_val;
132 	u32 test_ctl_mask;
133 	u32 test_ctl_hi_val;
134 	u32 test_ctl_hi_mask;
135 	u32 test_ctl_hi1_val;
136 	u32 test_ctl_hi2_val;
137 	u32 main_output_mask;
138 	u32 aux_output_mask;
139 	u32 aux2_output_mask;
140 	u32 early_output_mask;
141 	u32 alpha_en_mask;
142 	u32 alpha_mode_mask;
143 	u32 pre_div_val;
144 	u32 pre_div_mask;
145 	u32 post_div_val;
146 	u32 post_div_mask;
147 	u32 vco_val;
148 	u32 vco_mask;
149 	u32 status_val;
150 	u32 status_mask;
151 	u32 lock_det;
152 };
153 
154 extern const struct clk_ops clk_alpha_pll_ops;
155 extern const struct clk_ops clk_alpha_pll_fixed_ops;
156 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
157 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
158 extern const struct clk_ops clk_alpha_pll_huayra_ops;
159 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
160 extern const struct clk_ops clk_alpha_pll_stromer_ops;
161 extern const struct clk_ops clk_alpha_pll_stromer_plus_ops;
162 
163 extern const struct clk_ops clk_alpha_pll_fabia_ops;
164 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
165 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
166 
167 extern const struct clk_ops clk_alpha_pll_trion_ops;
168 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
169 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
170 
171 extern const struct clk_ops clk_alpha_pll_lucid_ops;
172 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
173 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
174 extern const struct clk_ops clk_alpha_pll_agera_ops;
175 
176 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
177 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
178 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
179 
180 extern const struct clk_ops clk_alpha_pll_zonda_ops;
181 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
182 #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
183 
184 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
185 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
186 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
187 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
188 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
189 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
190 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
191 
192 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
193 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
194 
195 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
196 			     const struct alpha_pll_config *config);
197 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
198 				const struct alpha_pll_config *config);
199 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
200 			     const struct alpha_pll_config *config);
201 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
202 				const struct alpha_pll_config *config);
203 #define clk_lucid_pll_configure(pll, regmap, config) \
204 	clk_trion_pll_configure(pll, regmap, config)
205 
206 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
207 			     const struct alpha_pll_config *config);
208 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
209 				 const struct alpha_pll_config *config);
210 void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
211 				 const struct alpha_pll_config *config);
212 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
213 				  const struct alpha_pll_config *config);
214 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
215 			       const struct alpha_pll_config *config);
216 
217 #endif
218