1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * TI clock drivers support 2 * TI clock drivers support
4 * 3 *
5 * Copyright (C) 2013 Texas Instruments, Inc. 4 * Copyright (C) 2013 Texas Instruments, Inc.
>> 5 *
>> 6 * This program is free software; you can redistribute it and/or modify
>> 7 * it under the terms of the GNU General Public License version 2 as
>> 8 * published by the Free Software Foundation.
>> 9 *
>> 10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
>> 11 * kind, whether express or implied; without even the implied warranty
>> 12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> 13 * GNU General Public License for more details.
6 */ 14 */
7 #ifndef __LINUX_CLK_TI_H__ 15 #ifndef __LINUX_CLK_TI_H__
8 #define __LINUX_CLK_TI_H__ 16 #define __LINUX_CLK_TI_H__
9 17
10 #include <linux/clk-provider.h> 18 #include <linux/clk-provider.h>
11 #include <linux/clkdev.h> 19 #include <linux/clkdev.h>
12 20
13 /** 21 /**
14 * struct clk_omap_reg - OMAP register declara 22 * struct clk_omap_reg - OMAP register declaration
15 * @offset: offset from the master IP module b 23 * @offset: offset from the master IP module base address
16 * @bit: register bit offset <<
17 * @index: index of the master IP module 24 * @index: index of the master IP module
18 * @flags: flags <<
19 */ 25 */
20 struct clk_omap_reg { 26 struct clk_omap_reg {
21 void __iomem *ptr; 27 void __iomem *ptr;
22 u16 offset; 28 u16 offset;
23 u8 bit; <<
24 u8 index; 29 u8 index;
25 u8 flags; 30 u8 flags;
26 }; 31 };
27 32
28 /** 33 /**
29 * struct dpll_data - DPLL registers and integ 34 * struct dpll_data - DPLL registers and integration data
30 * @mult_div1_reg: register containing the DPL 35 * @mult_div1_reg: register containing the DPLL M and N bitfields
31 * @mult_mask: mask of the DPLL M bitfield in 36 * @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg
32 * @div1_mask: mask of the DPLL N bitfield in 37 * @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg
33 * @clk_bypass: struct clk_hw pointer to the c 38 * @clk_bypass: struct clk_hw pointer to the clock's bypass clock input
34 * @clk_ref: struct clk_hw pointer to the cloc 39 * @clk_ref: struct clk_hw pointer to the clock's reference clock input
35 * @control_reg: register containing the DPLL 40 * @control_reg: register containing the DPLL mode bitfield
36 * @enable_mask: mask of the DPLL mode bitfiel 41 * @enable_mask: mask of the DPLL mode bitfield in @control_reg
37 * @last_rounded_rate: cache of the last rate 42 * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
38 * @last_rounded_m: cache of the last M result 43 * @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
39 * @last_rounded_m4xen: cache of the last M4X 44 * @last_rounded_m4xen: cache of the last M4X result of
40 * omap4_dpll_regm4xen_ro 45 * omap4_dpll_regm4xen_round_rate()
41 * @last_rounded_lpmode: cache of the last lpm 46 * @last_rounded_lpmode: cache of the last lpmode result of
42 * omap4_dpll_lpmode_rec 47 * omap4_dpll_lpmode_recalc()
43 * @max_multiplier: maximum valid non-bypass m 48 * @max_multiplier: maximum valid non-bypass multiplier value (actual)
44 * @last_rounded_n: cache of the last N result 49 * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
45 * @min_divider: minimum valid non-bypass divi 50 * @min_divider: minimum valid non-bypass divider value (actual)
46 * @max_divider: maximum valid non-bypass divi 51 * @max_divider: maximum valid non-bypass divider value (actual)
47 * @max_rate: maximum clock rate for the DPLL 52 * @max_rate: maximum clock rate for the DPLL
48 * @modes: possible values of @enable_mask 53 * @modes: possible values of @enable_mask
49 * @autoidle_reg: register containing the DPLL 54 * @autoidle_reg: register containing the DPLL autoidle mode bitfield
50 * @idlest_reg: register containing the DPLL i 55 * @idlest_reg: register containing the DPLL idle status bitfield
51 * @autoidle_mask: mask of the DPLL autoidle m 56 * @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg
52 * @freqsel_mask: mask of the DPLL jitter corr 57 * @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg
53 * @dcc_mask: mask of the DPLL DCC correction 58 * @dcc_mask: mask of the DPLL DCC correction bitfield @mult_div1_reg
54 * @dcc_rate: rate atleast which DCC @dcc_mask 59 * @dcc_rate: rate atleast which DCC @dcc_mask must be set
55 * @idlest_mask: mask of the DPLL idle status 60 * @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg
56 * @lpmode_mask: mask of the DPLL low-power mo 61 * @lpmode_mask: mask of the DPLL low-power mode bitfield in @control_reg
57 * @m4xen_mask: mask of the DPLL M4X multiplie 62 * @m4xen_mask: mask of the DPLL M4X multiplier bitfield in @control_reg
58 * @auto_recal_bit: bitshift of the driftguard 63 * @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg
59 * @recal_en_bit: bitshift of the PRM_IRQENABL 64 * @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs
60 * @recal_st_bit: bitshift of the PRM_IRQSTATU 65 * @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs
61 * @ssc_deltam_reg: register containing the DP <<
62 * @ssc_modfreq_reg: register containing the D <<
63 * @ssc_modfreq_mant_mask: mask of the mantiss <<
64 * @ssc_modfreq_exp_mask: mask of the exponent <<
65 * @ssc_enable_mask: mask of the DPLL SSC enab <<
66 * @ssc_downspread_mask: mask of the DPLL SSC <<
67 * @control_reg <<
68 * @ssc_modfreq: the DPLL SSC frequency modula <<
69 * @ssc_deltam: the DPLL SSC frequency spreadi <<
70 * @ssc_downspread: require the only low frequ <<
71 * mode <<
72 * @flags: DPLL type/features (see below) 66 * @flags: DPLL type/features (see below)
73 * 67 *
74 * Possible values for @flags: 68 * Possible values for @flags:
75 * DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 69 * DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 4xxx DPLLs)
76 * 70 *
77 * @freqsel_mask is only used on the OMAP34xx 71 * @freqsel_mask is only used on the OMAP34xx family and AM35xx.
78 * 72 *
79 * XXX Some DPLLs have multiple bypass inputs, 73 * XXX Some DPLLs have multiple bypass inputs, so it's not technically
80 * correct to only have one @clk_bypass pointe 74 * correct to only have one @clk_bypass pointer.
81 * 75 *
82 * XXX The runtime-variable fields (@last_roun 76 * XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m,
83 * @last_rounded_n) should be separated from t 77 * @last_rounded_n) should be separated from the runtime-fixed fields
84 * and placed into a different structure, so t 78 * and placed into a different structure, so that the runtime-fixed data
85 * can be placed into read-only space. 79 * can be placed into read-only space.
86 */ 80 */
87 struct dpll_data { 81 struct dpll_data {
88 struct clk_omap_reg mult_div1_reg; 82 struct clk_omap_reg mult_div1_reg;
89 u32 mult_mask; 83 u32 mult_mask;
90 u32 div1_mask; 84 u32 div1_mask;
91 struct clk_hw *clk_bypass; 85 struct clk_hw *clk_bypass;
92 struct clk_hw *clk_ref; 86 struct clk_hw *clk_ref;
93 struct clk_omap_reg control_reg; 87 struct clk_omap_reg control_reg;
94 u32 enable_mask; 88 u32 enable_mask;
95 unsigned long last_rounded_r 89 unsigned long last_rounded_rate;
96 u16 last_rounded_m 90 u16 last_rounded_m;
97 u8 last_rounded_m 91 u8 last_rounded_m4xen;
98 u8 last_rounded_l 92 u8 last_rounded_lpmode;
99 u16 max_multiplier 93 u16 max_multiplier;
100 u8 last_rounded_n 94 u8 last_rounded_n;
101 u8 min_divider; 95 u8 min_divider;
102 u16 max_divider; 96 u16 max_divider;
103 unsigned long max_rate; 97 unsigned long max_rate;
104 u8 modes; 98 u8 modes;
105 struct clk_omap_reg autoidle_reg; 99 struct clk_omap_reg autoidle_reg;
106 struct clk_omap_reg idlest_reg; 100 struct clk_omap_reg idlest_reg;
107 u32 autoidle_mask; 101 u32 autoidle_mask;
108 u32 freqsel_mask; 102 u32 freqsel_mask;
109 u32 idlest_mask; 103 u32 idlest_mask;
110 u32 dco_mask; 104 u32 dco_mask;
111 u32 sddiv_mask; 105 u32 sddiv_mask;
112 u32 dcc_mask; 106 u32 dcc_mask;
113 unsigned long dcc_rate; 107 unsigned long dcc_rate;
114 u32 lpmode_mask; 108 u32 lpmode_mask;
115 u32 m4xen_mask; 109 u32 m4xen_mask;
116 u8 auto_recal_bit 110 u8 auto_recal_bit;
117 u8 recal_en_bit; 111 u8 recal_en_bit;
118 u8 recal_st_bit; 112 u8 recal_st_bit;
119 struct clk_omap_reg ssc_deltam_reg <<
120 struct clk_omap_reg ssc_modfreq_re <<
121 u32 ssc_deltam_int <<
122 u32 ssc_deltam_fra <<
123 u32 ssc_modfreq_ma <<
124 u32 ssc_modfreq_ex <<
125 u32 ssc_enable_mas <<
126 u32 ssc_downspread <<
127 u32 ssc_modfreq; <<
128 u32 ssc_deltam; <<
129 bool ssc_downspread <<
130 u8 flags; 113 u8 flags;
131 }; 114 };
132 115
133 struct clk_hw_omap; 116 struct clk_hw_omap;
134 117
135 /** 118 /**
136 * struct clk_hw_omap_ops - OMAP clk ops 119 * struct clk_hw_omap_ops - OMAP clk ops
137 * @find_idlest: find idlest register informat 120 * @find_idlest: find idlest register information for a clock
138 * @find_companion: find companion clock regis 121 * @find_companion: find companion clock register information for a clock,
139 * basically converts CM_ICLK 122 * basically converts CM_ICLKEN* <-> CM_FCLKEN*
140 * @allow_idle: enables autoidle hardware func 123 * @allow_idle: enables autoidle hardware functionality for a clock
141 * @deny_idle: prevent autoidle hardware funct 124 * @deny_idle: prevent autoidle hardware functionality for a clock
142 */ 125 */
143 struct clk_hw_omap_ops { 126 struct clk_hw_omap_ops {
144 void (*find_idlest)(struct clk_hw_o 127 void (*find_idlest)(struct clk_hw_omap *oclk,
145 struct clk_omap 128 struct clk_omap_reg *idlest_reg,
146 u8 *idlest_bit, 129 u8 *idlest_bit, u8 *idlest_val);
147 void (*find_companion)(struct clk_h 130 void (*find_companion)(struct clk_hw_omap *oclk,
148 struct clk_o 131 struct clk_omap_reg *other_reg,
149 u8 *other_bi 132 u8 *other_bit);
150 void (*allow_idle)(struct clk_hw_om 133 void (*allow_idle)(struct clk_hw_omap *oclk);
151 void (*deny_idle)(struct clk_hw_oma 134 void (*deny_idle)(struct clk_hw_omap *oclk);
152 }; 135 };
153 136
154 /** 137 /**
155 * struct clk_hw_omap - OMAP struct clk 138 * struct clk_hw_omap - OMAP struct clk
156 * @node: list_head connecting this clock into 139 * @node: list_head connecting this clock into the full clock list
157 * @enable_reg: register to write to enable th 140 * @enable_reg: register to write to enable the clock (see @enable_bit)
158 * @enable_bit: bitshift to write to enable/di 141 * @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg)
159 * @flags: see "struct clk.flags possibilities 142 * @flags: see "struct clk.flags possibilities" above
160 * @clksel_reg: for clksel clks, register va c 143 * @clksel_reg: for clksel clks, register va containing src/divisor select
161 * @dpll_data: for DPLLs, pointer to struct dp 144 * @dpll_data: for DPLLs, pointer to struct dpll_data for this clock
162 * @clkdm_name: clockdomain name that this clo 145 * @clkdm_name: clockdomain name that this clock is contained in
163 * @clkdm: pointer to struct clockdomain, reso 146 * @clkdm: pointer to struct clockdomain, resolved from @clkdm_name at runtime
164 * @ops: clock ops for this clock 147 * @ops: clock ops for this clock
165 */ 148 */
166 struct clk_hw_omap { 149 struct clk_hw_omap {
167 struct clk_hw hw; 150 struct clk_hw hw;
168 struct list_head node; 151 struct list_head node;
169 unsigned long fixed_rate; 152 unsigned long fixed_rate;
170 u8 fixed_div; 153 u8 fixed_div;
171 struct clk_omap_reg enable_reg; 154 struct clk_omap_reg enable_reg;
172 u8 enable_bit; 155 u8 enable_bit;
173 unsigned long flags; 156 unsigned long flags;
174 struct clk_omap_reg clksel_reg; 157 struct clk_omap_reg clksel_reg;
175 struct dpll_data *dpll_data; 158 struct dpll_data *dpll_data;
176 const char *clkdm_name; 159 const char *clkdm_name;
177 struct clockdomain *clkdm; 160 struct clockdomain *clkdm;
178 const struct clk_hw_omap_ops *ops; 161 const struct clk_hw_omap_ops *ops;
179 u32 context; 162 u32 context;
180 int autoidle_count 163 int autoidle_count;
181 }; 164 };
182 165
183 /* 166 /*
184 * struct clk_hw_omap.flags possibilities 167 * struct clk_hw_omap.flags possibilities
185 * 168 *
186 * XXX document the rest of the clock flags he 169 * XXX document the rest of the clock flags here
187 * 170 *
188 * ENABLE_REG_32BIT: (OMAP1 only) clock contro 171 * ENABLE_REG_32BIT: (OMAP1 only) clock control register must be accessed
189 * with 32bit ops, by default OMAP1 uses 1 172 * with 32bit ops, by default OMAP1 uses 16bit ops.
190 * CLOCK_IDLE_CONTROL: (OMAP1 only) clock has 173 * CLOCK_IDLE_CONTROL: (OMAP1 only) clock has autoidle support.
191 * CLOCK_NO_IDLE_PARENT: (OMAP1 only) when clo 174 * CLOCK_NO_IDLE_PARENT: (OMAP1 only) when clock is enabled, its parent
192 * clock is put to no-idle mode. 175 * clock is put to no-idle mode.
193 * ENABLE_ON_INIT: Clock is enabled on init. 176 * ENABLE_ON_INIT: Clock is enabled on init.
194 * INVERT_ENABLE: By default, clock enable bit 177 * INVERT_ENABLE: By default, clock enable bit behavior is '1' enable, ''
195 * disable. This inverts the behavior maki 178 * disable. This inverts the behavior making '' enable and '1' disable.
196 * CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT an 179 * CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL
197 * bits share the same register. This fla 180 * bits share the same register. This flag allows the
198 * omap4_dpllmx*() code to determine which 181 * omap4_dpllmx*() code to determine which GATE_CTRL bit field
199 * should be used. This is a temporary so 182 * should be used. This is a temporary solution - a better approach
200 * would be to associate clock type-specif 183 * would be to associate clock type-specific data with the clock,
201 * similar to the struct dpll_data approac 184 * similar to the struct dpll_data approach.
202 */ 185 */
203 #define ENABLE_REG_32BIT (1 << 0) 186 #define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
204 #define CLOCK_IDLE_CONTROL (1 << 1) 187 #define CLOCK_IDLE_CONTROL (1 << 1)
205 #define CLOCK_NO_IDLE_PARENT (1 << 2) 188 #define CLOCK_NO_IDLE_PARENT (1 << 2)
206 #define ENABLE_ON_INIT (1 << 3) 189 #define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
207 #define INVERT_ENABLE (1 << 4) 190 #define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
208 #define CLOCK_CLKOUTX2 (1 << 5) 191 #define CLOCK_CLKOUTX2 (1 << 5)
209 192
210 /* CM_CLKEN_PLL*.EN* bit values - not all are 193 /* CM_CLKEN_PLL*.EN* bit values - not all are available for every DPLL */
211 #define DPLL_LOW_POWER_STOP 0x1 194 #define DPLL_LOW_POWER_STOP 0x1
212 #define DPLL_LOW_POWER_BYPASS 0x5 195 #define DPLL_LOW_POWER_BYPASS 0x5
213 #define DPLL_LOCKED 0x7 196 #define DPLL_LOCKED 0x7
214 197
215 /* DPLL Type and DCO Selection Flags */ 198 /* DPLL Type and DCO Selection Flags */
216 #define DPLL_J_TYPE 0x1 199 #define DPLL_J_TYPE 0x1
217 200
218 /* Static memmap indices */ 201 /* Static memmap indices */
219 enum { 202 enum {
220 TI_CLKM_CM = 0, 203 TI_CLKM_CM = 0,
221 TI_CLKM_CM2, 204 TI_CLKM_CM2,
222 TI_CLKM_PRM, 205 TI_CLKM_PRM,
223 TI_CLKM_SCRM, 206 TI_CLKM_SCRM,
224 TI_CLKM_CTRL, 207 TI_CLKM_CTRL,
225 TI_CLKM_CTRL_AUX, 208 TI_CLKM_CTRL_AUX,
226 TI_CLKM_PLLSS, 209 TI_CLKM_PLLSS,
227 CLK_MAX_MEMMAPS 210 CLK_MAX_MEMMAPS
228 }; 211 };
229 212
230 /** 213 /**
231 * struct ti_clk_ll_ops - low-level ops for cl 214 * struct ti_clk_ll_ops - low-level ops for clocks
232 * @clk_readl: pointer to register read functi 215 * @clk_readl: pointer to register read function
233 * @clk_writel: pointer to register write func 216 * @clk_writel: pointer to register write function
234 * @clk_rmw: pointer to register read-modify-w 217 * @clk_rmw: pointer to register read-modify-write function
235 * @clkdm_clk_enable: pointer to clockdomain e 218 * @clkdm_clk_enable: pointer to clockdomain enable function
236 * @clkdm_clk_disable: pointer to clockdomain 219 * @clkdm_clk_disable: pointer to clockdomain disable function
237 * @clkdm_lookup: pointer to clockdomain looku 220 * @clkdm_lookup: pointer to clockdomain lookup function
238 * @cm_wait_module_ready: pointer to CM module 221 * @cm_wait_module_ready: pointer to CM module wait ready function
239 * @cm_split_idlest_reg: pointer to CM module 222 * @cm_split_idlest_reg: pointer to CM module function to split idlest reg
240 * 223 *
241 * Low-level ops are generally used by the bas 224 * Low-level ops are generally used by the basic clock types (clk-gate,
242 * clk-mux, clk-divider etc.) to provide suppo 225 * clk-mux, clk-divider etc.) to provide support for various low-level
243 * hadrware interfaces (direct MMIO, regmap et 226 * hadrware interfaces (direct MMIO, regmap etc.), and is initialized
244 * by board code. Low-level ops also contain s 227 * by board code. Low-level ops also contain some other platform specific
245 * operations not provided directly by clock d 228 * operations not provided directly by clock drivers.
246 */ 229 */
247 struct ti_clk_ll_ops { 230 struct ti_clk_ll_ops {
248 u32 (*clk_readl)(const struct clk_ 231 u32 (*clk_readl)(const struct clk_omap_reg *reg);
249 void (*clk_writel)(u32 val, const s 232 void (*clk_writel)(u32 val, const struct clk_omap_reg *reg);
250 void (*clk_rmw)(u32 val, u32 mask, 233 void (*clk_rmw)(u32 val, u32 mask, const struct clk_omap_reg *reg);
251 int (*clkdm_clk_enable)(struct clo 234 int (*clkdm_clk_enable)(struct clockdomain *clkdm, struct clk *clk);
252 int (*clkdm_clk_disable)(struct cl 235 int (*clkdm_clk_disable)(struct clockdomain *clkdm,
253 struct cl 236 struct clk *clk);
254 struct clockdomain * (*clkdm_lookup)(c 237 struct clockdomain * (*clkdm_lookup)(const char *name);
255 int (*cm_wait_module_ready)(u8 par 238 int (*cm_wait_module_ready)(u8 part, s16 prcm_mod, u16 idlest_reg,
256 u8 idl 239 u8 idlest_shift);
257 int (*cm_split_idlest_reg)(struct 240 int (*cm_split_idlest_reg)(struct clk_omap_reg *idlest_reg,
258 s16 *pr 241 s16 *prcm_inst, u8 *idlest_reg_id);
259 }; 242 };
260 243
261 #define to_clk_hw_omap(_hw) container_of(_hw, 244 #define to_clk_hw_omap(_hw) container_of(_hw, struct clk_hw_omap, hw)
262 245
263 bool omap2_clk_is_hw_omap(struct clk_hw *hw); 246 bool omap2_clk_is_hw_omap(struct clk_hw *hw);
264 int omap2_clk_disable_autoidle_all(void); 247 int omap2_clk_disable_autoidle_all(void);
265 int omap2_clk_enable_autoidle_all(void); 248 int omap2_clk_enable_autoidle_all(void);
266 int omap2_clk_allow_idle(struct clk *clk); 249 int omap2_clk_allow_idle(struct clk *clk);
267 int omap2_clk_deny_idle(struct clk *clk); 250 int omap2_clk_deny_idle(struct clk *clk);
268 unsigned long omap2_dpllcore_recalc(struct clk 251 unsigned long omap2_dpllcore_recalc(struct clk_hw *hw,
269 unsigned l 252 unsigned long parent_rate);
270 int omap2_reprogram_dpllcore(struct clk_hw *cl 253 int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate,
271 unsigned long par 254 unsigned long parent_rate);
272 void omap2xxx_clkt_dpllcore_init(struct clk_hw 255 void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw);
273 void omap2xxx_clkt_vps_init(void); 256 void omap2xxx_clkt_vps_init(void);
274 unsigned long omap2_get_dpll_rate(struct clk_h 257 unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk);
275 258
276 void ti_dt_clk_init_retry_clks(void); 259 void ti_dt_clk_init_retry_clks(void);
277 void ti_dt_clockdomains_setup(void); 260 void ti_dt_clockdomains_setup(void);
278 int ti_clk_setup_ll_ops(struct ti_clk_ll_ops * 261 int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops);
279 262
280 struct regmap; 263 struct regmap;
281 264
282 int omap2_clk_provider_init(struct device_node 265 int omap2_clk_provider_init(struct device_node *parent, int index,
283 struct regmap *sys 266 struct regmap *syscon, void __iomem *mem);
284 void omap2_clk_legacy_provider_init(int index, 267 void omap2_clk_legacy_provider_init(int index, void __iomem *mem);
285 268
286 int omap3430_dt_clk_init(void); 269 int omap3430_dt_clk_init(void);
287 int omap3630_dt_clk_init(void); 270 int omap3630_dt_clk_init(void);
288 int am35xx_dt_clk_init(void); 271 int am35xx_dt_clk_init(void);
289 int dm814x_dt_clk_init(void); 272 int dm814x_dt_clk_init(void);
290 int dm816x_dt_clk_init(void); 273 int dm816x_dt_clk_init(void);
291 int omap4xxx_dt_clk_init(void); 274 int omap4xxx_dt_clk_init(void);
292 int omap5xxx_dt_clk_init(void); 275 int omap5xxx_dt_clk_init(void);
293 int dra7xx_dt_clk_init(void); 276 int dra7xx_dt_clk_init(void);
294 int am33xx_dt_clk_init(void); 277 int am33xx_dt_clk_init(void);
295 int am43xx_dt_clk_init(void); 278 int am43xx_dt_clk_init(void);
296 int omap2420_dt_clk_init(void); 279 int omap2420_dt_clk_init(void);
297 int omap2430_dt_clk_init(void); 280 int omap2430_dt_clk_init(void);
298 281
299 struct ti_clk_features { 282 struct ti_clk_features {
300 u32 flags; 283 u32 flags;
301 long fint_min; 284 long fint_min;
302 long fint_max; 285 long fint_max;
303 long fint_band1_max; 286 long fint_band1_max;
304 long fint_band2_min; 287 long fint_band2_min;
305 u8 dpll_bypass_vals; 288 u8 dpll_bypass_vals;
306 u8 cm_idlest_val; 289 u8 cm_idlest_val;
307 }; 290 };
308 291
309 #define TI_CLK_DPLL_HAS_FREQSEL 292 #define TI_CLK_DPLL_HAS_FREQSEL BIT(0)
310 #define TI_CLK_DPLL4_DENY_REPROGRAM 293 #define TI_CLK_DPLL4_DENY_REPROGRAM BIT(1)
311 #define TI_CLK_DISABLE_CLKDM_CONTROL 294 #define TI_CLK_DISABLE_CLKDM_CONTROL BIT(2)
312 #define TI_CLK_ERRATA_I810 295 #define TI_CLK_ERRATA_I810 BIT(3)
313 #define TI_CLK_CLKCTRL_COMPAT 296 #define TI_CLK_CLKCTRL_COMPAT BIT(4)
314 #define TI_CLK_DEVICE_TYPE_GP 297 #define TI_CLK_DEVICE_TYPE_GP BIT(5)
315 298
316 void ti_clk_setup_features(struct ti_clk_featu 299 void ti_clk_setup_features(struct ti_clk_features *features);
317 const struct ti_clk_features *ti_clk_get_featu 300 const struct ti_clk_features *ti_clk_get_features(void);
318 bool ti_clk_is_in_standby(struct clk *clk); 301 bool ti_clk_is_in_standby(struct clk *clk);
319 int omap3_noncore_dpll_save_context(struct clk 302 int omap3_noncore_dpll_save_context(struct clk_hw *hw);
320 void omap3_noncore_dpll_restore_context(struct 303 void omap3_noncore_dpll_restore_context(struct clk_hw *hw);
321 304
322 int omap3_core_dpll_save_context(struct clk_hw 305 int omap3_core_dpll_save_context(struct clk_hw *hw);
323 void omap3_core_dpll_restore_context(struct cl 306 void omap3_core_dpll_restore_context(struct clk_hw *hw);
324 307
325 extern const struct clk_hw_omap_ops clkhwops_o 308 extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll;
326 309
327 #ifdef CONFIG_ATAGS 310 #ifdef CONFIG_ATAGS
328 int omap3430_clk_legacy_init(void); 311 int omap3430_clk_legacy_init(void);
329 int omap3430es1_clk_legacy_init(void); 312 int omap3430es1_clk_legacy_init(void);
330 int omap36xx_clk_legacy_init(void); 313 int omap36xx_clk_legacy_init(void);
331 int am35xx_clk_legacy_init(void); 314 int am35xx_clk_legacy_init(void);
332 #else 315 #else
333 static inline int omap3430_clk_legacy_init(voi 316 static inline int omap3430_clk_legacy_init(void) { return -ENXIO; }
334 static inline int omap3430es1_clk_legacy_init( 317 static inline int omap3430es1_clk_legacy_init(void) { return -ENXIO; }
335 static inline int omap36xx_clk_legacy_init(voi 318 static inline int omap36xx_clk_legacy_init(void) { return -ENXIO; }
336 static inline int am35xx_clk_legacy_init(void) 319 static inline int am35xx_clk_legacy_init(void) { return -ENXIO; }
337 #endif 320 #endif
338 321
339 322
340 #endif 323 #endif
341 324
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.