xref: /linux/drivers/clk/qcom/clk-alpha-pll.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
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_ZONDA_OLE,
27 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
28 	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
29 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
30 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
31 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
32 	CLK_ALPHA_PLL_TYPE_STROMER,
33 	CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
34 	CLK_ALPHA_PLL_TYPE_MAX,
35 };
36 
37 enum {
38 	PLL_OFF_L_VAL,
39 	PLL_OFF_CAL_L_VAL,
40 	PLL_OFF_ALPHA_VAL,
41 	PLL_OFF_ALPHA_VAL_U,
42 	PLL_OFF_USER_CTL,
43 	PLL_OFF_USER_CTL_U,
44 	PLL_OFF_USER_CTL_U1,
45 	PLL_OFF_CONFIG_CTL,
46 	PLL_OFF_CONFIG_CTL_U,
47 	PLL_OFF_CONFIG_CTL_U1,
48 	PLL_OFF_CONFIG_CTL_U2,
49 	PLL_OFF_TEST_CTL,
50 	PLL_OFF_TEST_CTL_U,
51 	PLL_OFF_TEST_CTL_U1,
52 	PLL_OFF_TEST_CTL_U2,
53 	PLL_OFF_STATE,
54 	PLL_OFF_STATUS,
55 	PLL_OFF_OPMODE,
56 	PLL_OFF_FRAC,
57 	PLL_OFF_CAL_VAL,
58 	PLL_OFF_MAX_REGS
59 };
60 
61 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
62 
63 struct pll_vco {
64 	unsigned long min_freq;
65 	unsigned long max_freq;
66 	u32 val;
67 };
68 
69 #define VCO(a, b, c) { \
70 	.val = a,\
71 	.min_freq = b,\
72 	.max_freq = c,\
73 }
74 
75 /**
76  * struct clk_alpha_pll - phase locked loop (PLL)
77  * @offset: base address of registers
78  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
79  * @vco_table: array of VCO settings
80  * @num_vco: number of VCO settings in @vco_table
81  * @flags: bitmask to indicate features supported by the hardware
82  * @clkr: regmap clock handle
83  */
84 struct clk_alpha_pll {
85 	u32 offset;
86 	const u8 *regs;
87 
88 	const struct pll_vco *vco_table;
89 	size_t num_vco;
90 #define SUPPORTS_OFFLINE_REQ		BIT(0)
91 #define SUPPORTS_FSM_MODE		BIT(2)
92 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
93 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
94 	u8 flags;
95 
96 	struct clk_regmap clkr;
97 };
98 
99 /**
100  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
101  * @offset: base address of registers
102  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
103  * @width: width of post-divider
104  * @post_div_shift: shift to differentiate between odd & even post-divider
105  * @post_div_table: table with PLL odd and even post-divider settings
106  * @num_post_div: Number of PLL post-divider settings
107  *
108  * @clkr: regmap clock handle
109  */
110 struct clk_alpha_pll_postdiv {
111 	u32 offset;
112 	u8 width;
113 	const u8 *regs;
114 
115 	struct clk_regmap clkr;
116 	int post_div_shift;
117 	const struct clk_div_table *post_div_table;
118 	size_t num_post_div;
119 };
120 
121 struct alpha_pll_config {
122 	u32 l;
123 	u32 alpha;
124 	u32 alpha_hi;
125 	u32 config_ctl_val;
126 	u32 config_ctl_hi_val;
127 	u32 config_ctl_hi1_val;
128 	u32 config_ctl_hi2_val;
129 	u32 user_ctl_val;
130 	u32 user_ctl_hi_val;
131 	u32 user_ctl_hi1_val;
132 	u32 test_ctl_val;
133 	u32 test_ctl_mask;
134 	u32 test_ctl_hi_val;
135 	u32 test_ctl_hi_mask;
136 	u32 test_ctl_hi1_val;
137 	u32 test_ctl_hi2_val;
138 	u32 main_output_mask;
139 	u32 aux_output_mask;
140 	u32 aux2_output_mask;
141 	u32 early_output_mask;
142 	u32 alpha_en_mask;
143 	u32 alpha_mode_mask;
144 	u32 pre_div_val;
145 	u32 pre_div_mask;
146 	u32 post_div_val;
147 	u32 post_div_mask;
148 	u32 vco_val;
149 	u32 vco_mask;
150 	u32 status_val;
151 	u32 status_mask;
152 	u32 lock_det;
153 };
154 
155 extern const struct clk_ops clk_alpha_pll_ops;
156 extern const struct clk_ops clk_alpha_pll_fixed_ops;
157 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
158 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
159 extern const struct clk_ops clk_alpha_pll_huayra_ops;
160 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
161 extern const struct clk_ops clk_alpha_pll_stromer_ops;
162 extern const struct clk_ops clk_alpha_pll_stromer_plus_ops;
163 
164 extern const struct clk_ops clk_alpha_pll_fabia_ops;
165 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
166 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
167 
168 extern const struct clk_ops clk_alpha_pll_trion_ops;
169 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
170 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
171 
172 extern const struct clk_ops clk_alpha_pll_lucid_ops;
173 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
174 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
175 extern const struct clk_ops clk_alpha_pll_agera_ops;
176 
177 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
178 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
179 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
180 
181 extern const struct clk_ops clk_alpha_pll_zonda_ops;
182 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
183 #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
184 
185 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
186 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
187 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
188 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
189 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
190 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
191 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
192 
193 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
194 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
195 
196 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
197 			     const struct alpha_pll_config *config);
198 void clk_huayra_2290_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
199 				   const struct alpha_pll_config *config);
200 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
201 				const struct alpha_pll_config *config);
202 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
203 			     const struct alpha_pll_config *config);
204 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
205 				const struct alpha_pll_config *config);
206 #define clk_lucid_pll_configure(pll, regmap, config) \
207 	clk_trion_pll_configure(pll, regmap, config)
208 
209 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
210 			     const struct alpha_pll_config *config);
211 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
212 				 const struct alpha_pll_config *config);
213 void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
214 				 const struct alpha_pll_config *config);
215 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
216 				  const struct alpha_pll_config *config);
217 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
218 			       const struct alpha_pll_config *config);
219 
220 #endif
221