xref: /linux/drivers/clk/qcom/clk-alpha-pll.h (revision 522ba450b56fff29f868b1552bdc2965f55de7ed)
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_PONGO_ELU,
31 	CLK_ALPHA_PLL_TYPE_TAYCAN_ELU,
32 	CLK_ALPHA_PLL_TYPE_TAYCAN_EKO_T = CLK_ALPHA_PLL_TYPE_TAYCAN_ELU,
33 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
34 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
35 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
36 	CLK_ALPHA_PLL_TYPE_STROMER,
37 	CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
38 	CLK_ALPHA_PLL_TYPE_NSS_HUAYRA,
39 	CLK_ALPHA_PLL_TYPE_MAX,
40 };
41 
42 enum {
43 	PLL_OFF_L_VAL,
44 	PLL_OFF_CAL_L_VAL,
45 	PLL_OFF_ALPHA_VAL,
46 	PLL_OFF_ALPHA_VAL_U,
47 	PLL_OFF_USER_CTL,
48 	PLL_OFF_USER_CTL_U,
49 	PLL_OFF_USER_CTL_U1,
50 	PLL_OFF_CONFIG_CTL,
51 	PLL_OFF_CONFIG_CTL_U,
52 	PLL_OFF_CONFIG_CTL_U1,
53 	PLL_OFF_CONFIG_CTL_U2,
54 	PLL_OFF_TEST_CTL,
55 	PLL_OFF_TEST_CTL_U,
56 	PLL_OFF_TEST_CTL_U1,
57 	PLL_OFF_TEST_CTL_U2,
58 	PLL_OFF_TEST_CTL_U3,
59 	PLL_OFF_STATE,
60 	PLL_OFF_STATUS,
61 	PLL_OFF_OPMODE,
62 	PLL_OFF_FRAC,
63 	PLL_OFF_CAL_VAL,
64 	PLL_OFF_MAX_REGS
65 };
66 
67 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
68 
69 struct pll_vco {
70 	unsigned long min_freq;
71 	unsigned long max_freq;
72 	u32 val;
73 };
74 
75 #define VCO(a, b, c) { \
76 	.val = a,\
77 	.min_freq = b,\
78 	.max_freq = c,\
79 }
80 
81 /**
82  * struct clk_alpha_pll - phase locked loop (PLL)
83  * @offset: base address of registers
84  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
85  * @config: array of pll settings
86  * @vco_table: array of VCO settings
87  * @num_vco: number of VCO settings in @vco_table
88  * @flags: bitmask to indicate features supported by the hardware
89  * @clkr: regmap clock handle
90  */
91 struct clk_alpha_pll {
92 	u32 offset;
93 	const u8 *regs;
94 
95 	const struct alpha_pll_config *config;
96 	const struct pll_vco *vco_table;
97 	size_t num_vco;
98 #define SUPPORTS_OFFLINE_REQ		BIT(0)
99 #define SUPPORTS_FSM_MODE		BIT(2)
100 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
101 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
102 	u8 flags;
103 
104 	struct clk_regmap clkr;
105 };
106 
107 /**
108  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
109  * @offset: base address of registers
110  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
111  * @width: width of post-divider
112  * @post_div_shift: shift to differentiate between odd & even post-divider
113  * @post_div_table: table with PLL odd and even post-divider settings
114  * @num_post_div: Number of PLL post-divider settings
115  *
116  * @clkr: regmap clock handle
117  */
118 struct clk_alpha_pll_postdiv {
119 	u32 offset;
120 	u8 width;
121 	const u8 *regs;
122 
123 	struct clk_regmap clkr;
124 	int post_div_shift;
125 	const struct clk_div_table *post_div_table;
126 	size_t num_post_div;
127 };
128 
129 struct alpha_pll_config {
130 	u32 l;
131 	u32 alpha;
132 	u32 alpha_hi;
133 	u32 config_ctl_val;
134 	u32 config_ctl_hi_val;
135 	u32 config_ctl_hi1_val;
136 	u32 config_ctl_hi2_val;
137 	u32 user_ctl_val;
138 	u32 user_ctl_hi_val;
139 	u32 user_ctl_hi1_val;
140 	u32 test_ctl_val;
141 	u32 test_ctl_mask;
142 	u32 test_ctl_hi_val;
143 	u32 test_ctl_hi_mask;
144 	u32 test_ctl_hi1_val;
145 	u32 test_ctl_hi2_val;
146 	u32 test_ctl_hi3_val;
147 	u32 main_output_mask;
148 	u32 aux_output_mask;
149 	u32 aux2_output_mask;
150 	u32 early_output_mask;
151 	u32 alpha_en_mask;
152 	u32 alpha_mode_mask;
153 	u32 pre_div_val;
154 	u32 pre_div_mask;
155 	u32 post_div_val;
156 	u32 post_div_mask;
157 	u32 vco_val;
158 	u32 vco_mask;
159 	u32 status_val;
160 	u32 status_mask;
161 	u32 lock_det;
162 };
163 
164 extern const struct clk_ops clk_alpha_pll_ops;
165 extern const struct clk_ops clk_alpha_pll_fixed_ops;
166 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
167 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
168 extern const struct clk_ops clk_alpha_pll_huayra_ops;
169 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
170 extern const struct clk_ops clk_alpha_pll_stromer_ops;
171 extern const struct clk_ops clk_alpha_pll_stromer_plus_ops;
172 
173 extern const struct clk_ops clk_alpha_pll_fabia_ops;
174 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
175 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
176 
177 extern const struct clk_ops clk_alpha_pll_trion_ops;
178 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
179 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
180 
181 extern const struct clk_ops clk_alpha_pll_lucid_ops;
182 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
183 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
184 extern const struct clk_ops clk_alpha_pll_agera_ops;
185 
186 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
187 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
188 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
189 
190 extern const struct clk_ops clk_alpha_pll_zonda_ops;
191 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
192 #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
193 
194 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
195 #define clk_alpha_pll_taycan_elu_ops clk_alpha_pll_lucid_evo_ops
196 #define clk_alpha_pll_taycan_eko_t_ops clk_alpha_pll_lucid_evo_ops
197 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
198 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
199 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
200 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
201 #define clk_alpha_pll_fixed_taycan_elu_ops clk_alpha_pll_fixed_lucid_evo_ops
202 #define clk_alpha_pll_fixed_taycan_eko_t_ops clk_alpha_pll_fixed_lucid_evo_ops
203 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
204 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
205 #define clk_alpha_pll_postdiv_taycan_elu_ops clk_alpha_pll_postdiv_lucid_evo_ops
206 #define clk_alpha_pll_postdiv_taycan_eko_t_ops clk_alpha_pll_postdiv_lucid_evo_ops
207 
208 extern const struct clk_ops clk_alpha_pll_pongo_elu_ops;
209 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
210 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
211 
212 extern const struct clk_ops clk_alpha_pll_regera_ops;
213 extern const struct clk_ops clk_alpha_pll_slew_ops;
214 
215 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
216 			     const struct alpha_pll_config *config);
217 void clk_huayra_2290_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
218 				   const struct alpha_pll_config *config);
219 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
220 				const struct alpha_pll_config *config);
221 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
222 			     const struct alpha_pll_config *config);
223 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
224 				const struct alpha_pll_config *config);
225 #define clk_lucid_pll_configure(pll, regmap, config) \
226 	clk_trion_pll_configure(pll, regmap, config)
227 
228 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
229 			     const struct alpha_pll_config *config);
230 void clk_lucid_5lpe_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
231 				  const struct alpha_pll_config *config);
232 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
233 				 const struct alpha_pll_config *config);
234 void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
235 				 const struct alpha_pll_config *config);
236 void clk_pongo_elu_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
237 				 const struct alpha_pll_config *config);
238 #define clk_taycan_elu_pll_configure(pll, regmap, config) \
239 	clk_lucid_evo_pll_configure(pll, regmap, config)
240 #define clk_taycan_eko_t_pll_configure(pll, regmap, config) \
241 	clk_lucid_evo_pll_configure(pll, regmap, config)
242 
243 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
244 				  const struct alpha_pll_config *config);
245 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
246 			       const struct alpha_pll_config *config);
247 void clk_regera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
248 			     const struct alpha_pll_config *config);
249 void qcom_clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap);
250 
251 #endif
252