xref: /openbmc/linux/drivers/clk/qcom/clk-alpha-pll.h (revision 9144f784f852f9a125cabe9927b986d909bfa439)
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_BRAMMO,
19 	CLK_ALPHA_PLL_TYPE_FABIA,
20 	CLK_ALPHA_PLL_TYPE_TRION,
21 	CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION,
22 	CLK_ALPHA_PLL_TYPE_AGERA,
23 	CLK_ALPHA_PLL_TYPE_ZONDA,
24 	CLK_ALPHA_PLL_TYPE_ZONDA_OLE,
25 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
26 	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
27 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
28 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
29 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
30 	CLK_ALPHA_PLL_TYPE_STROMER,
31 	CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
32 	CLK_ALPHA_PLL_TYPE_NSS_HUAYRA,
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  * @vco_table: array of VCO settings
78  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
79  * @clkr: regmap clock handle
80  */
81 struct clk_alpha_pll {
82 	u32 offset;
83 	const u8 *regs;
84 
85 	const struct pll_vco *vco_table;
86 	size_t num_vco;
87 #define SUPPORTS_OFFLINE_REQ		BIT(0)
88 #define SUPPORTS_FSM_MODE		BIT(2)
89 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
90 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
91 	u8 flags;
92 
93 	struct clk_regmap clkr;
94 };
95 
96 /**
97  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
98  * @offset: base address of registers
99  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
100  * @width: width of post-divider
101  * @post_div_shift: shift to differentiate between odd & even post-divider
102  * @post_div_table: table with PLL odd and even post-divider settings
103  * @num_post_div: Number of PLL post-divider settings
104  *
105  * @clkr: regmap clock handle
106  */
107 struct clk_alpha_pll_postdiv {
108 	u32 offset;
109 	u8 width;
110 	const u8 *regs;
111 
112 	struct clk_regmap clkr;
113 	int post_div_shift;
114 	const struct clk_div_table *post_div_table;
115 	size_t num_post_div;
116 };
117 
118 struct alpha_pll_config {
119 	u32 l;
120 	u32 alpha;
121 	u32 alpha_hi;
122 	u32 config_ctl_val;
123 	u32 config_ctl_hi_val;
124 	u32 config_ctl_hi1_val;
125 	u32 config_ctl_hi2_val;
126 	u32 user_ctl_val;
127 	u32 user_ctl_hi_val;
128 	u32 user_ctl_hi1_val;
129 	u32 test_ctl_val;
130 	u32 test_ctl_mask;
131 	u32 test_ctl_hi_val;
132 	u32 test_ctl_hi_mask;
133 	u32 test_ctl_hi1_val;
134 	u32 test_ctl_hi2_val;
135 	u32 main_output_mask;
136 	u32 aux_output_mask;
137 	u32 aux2_output_mask;
138 	u32 early_output_mask;
139 	u32 alpha_en_mask;
140 	u32 alpha_mode_mask;
141 	u32 pre_div_val;
142 	u32 pre_div_mask;
143 	u32 post_div_val;
144 	u32 post_div_mask;
145 	u32 vco_val;
146 	u32 vco_mask;
147 	u32 status_val;
148 	u32 status_mask;
149 	u32 lock_det;
150 };
151 
152 extern const struct clk_ops clk_alpha_pll_ops;
153 extern const struct clk_ops clk_alpha_pll_fixed_ops;
154 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
155 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
156 extern const struct clk_ops clk_alpha_pll_huayra_ops;
157 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
158 extern const struct clk_ops clk_alpha_pll_stromer_ops;
159 extern const struct clk_ops clk_alpha_pll_stromer_plus_ops;
160 
161 extern const struct clk_ops clk_alpha_pll_fabia_ops;
162 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
163 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
164 
165 extern const struct clk_ops clk_alpha_pll_trion_ops;
166 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
167 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
168 
169 extern const struct clk_ops clk_alpha_pll_lucid_ops;
170 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
171 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
172 extern const struct clk_ops clk_alpha_pll_agera_ops;
173 
174 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
175 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
176 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
177 
178 extern const struct clk_ops clk_alpha_pll_zonda_ops;
179 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
180 #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
181 
182 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
183 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
184 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
185 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
186 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
187 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
188 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
189 
190 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
191 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
192 
193 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
194 			     const struct alpha_pll_config *config);
195 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
196 				const struct alpha_pll_config *config);
197 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
198 			     const struct alpha_pll_config *config);
199 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
200 				const struct alpha_pll_config *config);
201 #define clk_lucid_pll_configure(pll, regmap, config) \
202 	clk_trion_pll_configure(pll, regmap, config)
203 
204 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
205 			     const struct alpha_pll_config *config);
206 void clk_lucid_5lpe_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_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
211 				  const struct alpha_pll_config *config);
212 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
213 			       const struct alpha_pll_config *config);
214 
215 #endif
216