clk.h revision a7c8485a0ebbdce303c6709e208bb4fd08aff8ad
1	/*
2 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#ifndef __TEGRA_CLK_H
18#define __TEGRA_CLK_H
19
20#include <linux/clk-provider.h>
21#include <linux/clkdev.h>
22
23/**
24 * struct tegra_clk_sync_source - external clock source from codec
25 *
26 * @hw: handle between common and hardware-specific interfaces
27 * @rate: input frequency from source
28 * @max_rate: max rate allowed
29 */
30struct tegra_clk_sync_source {
31	struct		clk_hw hw;
32	unsigned long	rate;
33	unsigned long	max_rate;
34};
35
36#define to_clk_sync_source(_hw)					\
37	container_of(_hw, struct tegra_clk_sync_source, hw)
38
39extern const struct clk_ops tegra_clk_sync_source_ops;
40extern int *periph_clk_enb_refcnt;
41
42struct clk *tegra_clk_register_sync_source(const char *name,
43		unsigned long fixed_rate, unsigned long max_rate);
44
45/**
46 * struct tegra_clk_frac_div - fractional divider clock
47 *
48 * @hw:		handle between common and hardware-specific interfaces
49 * @reg:	register containing divider
50 * @flags:	hardware-specific flags
51 * @shift:	shift to the divider bit field
52 * @width:	width of the divider bit field
53 * @frac_width:	width of the fractional bit field
54 * @lock:	register lock
55 *
56 * Flags:
57 * TEGRA_DIVIDER_ROUND_UP - This flags indicates to round up the divider value.
58 * TEGRA_DIVIDER_FIXED - Fixed rate PLL dividers has addition override bit, this
59 *      flag indicates that this divider is for fixed rate PLL.
60 * TEGRA_DIVIDER_INT - Some modules can not cope with the duty cycle when
61 *      fraction bit is set. This flags indicates to calculate divider for which
62 *      fracton bit will be zero.
63 * TEGRA_DIVIDER_UART - UART module divider has additional enable bit which is
64 *      set when divider value is not 0. This flags indicates that the divider
65 *      is for UART module.
66 */
67struct tegra_clk_frac_div {
68	struct clk_hw	hw;
69	void __iomem	*reg;
70	u8		flags;
71	u8		shift;
72	u8		width;
73	u8		frac_width;
74	spinlock_t	*lock;
75};
76
77#define to_clk_frac_div(_hw) container_of(_hw, struct tegra_clk_frac_div, hw)
78
79#define TEGRA_DIVIDER_ROUND_UP BIT(0)
80#define TEGRA_DIVIDER_FIXED BIT(1)
81#define TEGRA_DIVIDER_INT BIT(2)
82#define TEGRA_DIVIDER_UART BIT(3)
83
84extern const struct clk_ops tegra_clk_frac_div_ops;
85struct clk *tegra_clk_register_divider(const char *name,
86		const char *parent_name, void __iomem *reg,
87		unsigned long flags, u8 clk_divider_flags, u8 shift, u8 width,
88		u8 frac_width, spinlock_t *lock);
89
90/*
91 * Tegra PLL:
92 *
93 * In general, there are 3 requirements for each PLL
94 * that SW needs to be comply with.
95 * (1) Input frequency range (REF).
96 * (2) Comparison frequency range (CF). CF = REF/DIVM.
97 * (3) VCO frequency range (VCO).  VCO = CF * DIVN.
98 *
99 * The final PLL output frequency (FO) = VCO >> DIVP.
100 */
101
102/**
103 * struct tegra_clk_pll_freq_table - PLL frequecy table
104 *
105 * @input_rate:		input rate from source
106 * @output_rate:	output rate from PLL for the input rate
107 * @n:			feedback divider
108 * @m:			input divider
109 * @p:			post divider
110 * @cpcon:		charge pump current
111 */
112struct tegra_clk_pll_freq_table {
113	unsigned long	input_rate;
114	unsigned long	output_rate;
115	u16		n;
116	u16		m;
117	u8		p;
118	u8		cpcon;
119};
120
121/**
122 * struct pdiv_map - map post divider to hw value
123 *
124 * @pdiv:		post divider
125 * @hw_val:		value to be written to the PLL hw
126 */
127struct pdiv_map {
128	u8 pdiv;
129	u8 hw_val;
130};
131
132/**
133 * struct div_nmp - offset and width of m,n and p fields
134 *
135 * @divn_shift:	shift to the feedback divider bit field
136 * @divn_width:	width of the feedback divider bit field
137 * @divm_shift:	shift to the input divider bit field
138 * @divm_width:	width of the input divider bit field
139 * @divp_shift:	shift to the post divider bit field
140 * @divp_width:	width of the post divider bit field
141 * @override_divn_shift: shift to the feedback divider bitfield in override reg
142 * @override_divm_shift: shift to the input divider bitfield in override reg
143 * @override_divp_shift: shift to the post divider bitfield in override reg
144 */
145struct div_nmp {
146	u8		divn_shift;
147	u8		divn_width;
148	u8		divm_shift;
149	u8		divm_width;
150	u8		divp_shift;
151	u8		divp_width;
152	u8		override_divn_shift;
153	u8		override_divm_shift;
154	u8		override_divp_shift;
155};
156
157/**
158 * struct clk_pll_params - PLL parameters
159 *
160 * @input_min:			Minimum input frequency
161 * @input_max:			Maximum input frequency
162 * @cf_min:			Minimum comparison frequency
163 * @cf_max:			Maximum comparison frequency
164 * @vco_min:			Minimum VCO frequency
165 * @vco_max:			Maximum VCO frequency
166 * @base_reg:			PLL base reg offset
167 * @misc_reg:			PLL misc reg offset
168 * @lock_reg:			PLL lock reg offset
169 * @lock_bit_idx:		Bit index for PLL lock status
170 * @lock_enable_bit_idx:	Bit index to enable PLL lock
171 * @lock_delay:			Delay in us if PLL lock is not used
172 */
173struct tegra_clk_pll_params {
174	unsigned long	input_min;
175	unsigned long	input_max;
176	unsigned long	cf_min;
177	unsigned long	cf_max;
178	unsigned long	vco_min;
179	unsigned long	vco_max;
180
181	u32		base_reg;
182	u32		misc_reg;
183	u32		lock_reg;
184	u32		lock_mask;
185	u32		lock_enable_bit_idx;
186	u32		iddq_reg;
187	u32		iddq_bit_idx;
188	u32		aux_reg;
189	u32		dyn_ramp_reg;
190	u32		ext_misc_reg[3];
191	u32		pmc_divnm_reg;
192	u32		pmc_divp_reg;
193	u32		flags;
194	int		stepa_shift;
195	int		stepb_shift;
196	int		lock_delay;
197	int		max_p;
198	struct pdiv_map *pdiv_tohw;
199	struct div_nmp	*div_nmp;
200	struct tegra_clk_pll_freq_table	*freq_table;
201	unsigned long	fixed_rate;
202};
203
204/**
205 * struct tegra_clk_pll - Tegra PLL clock
206 *
207 * @hw:		handle between common and hardware-specifix interfaces
208 * @clk_base:	address of CAR controller
209 * @pmc:	address of PMC, required to read override bits
210 * @freq_table:	array of frequencies supported by PLL
211 * @params:	PLL parameters
212 * @flags:	PLL flags
213 * @fixed_rate:	PLL rate if it is fixed
214 * @lock:	register lock
215 *
216 * Flags:
217 * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
218 *     PLL locking. If not set it will use lock_delay value to wait.
219 * TEGRA_PLL_HAS_CPCON - This flag indicates that CPCON value needs
220 *     to be programmed to change output frequency of the PLL.
221 * TEGRA_PLL_SET_LFCON - This flag indicates that LFCON value needs
222 *     to be programmed to change output frequency of the PLL.
223 * TEGRA_PLL_SET_DCCON - This flag indicates that DCCON value needs
224 *     to be programmed to change output frequency of the PLL.
225 * TEGRA_PLLU - PLLU has inverted post divider. This flags indicated
226 *     that it is PLLU and invert post divider value.
227 * TEGRA_PLLM - PLLM has additional override settings in PMC. This
228 *     flag indicates that it is PLLM and use override settings.
229 * TEGRA_PLL_FIXED - We are not supposed to change output frequency
230 *     of some plls.
231 * TEGRA_PLLE_CONFIGURE - Configure PLLE when enabling.
232 * TEGRA_PLL_LOCK_MISC - Lock bit is in the misc register instead of the
233 *     base register.
234 * TEGRA_PLL_BYPASS - PLL has bypass bit
235 * TEGRA_PLL_HAS_LOCK_ENABLE - PLL has bit to enable lock monitoring
236 */
237struct tegra_clk_pll {
238	struct clk_hw	hw;
239	void __iomem	*clk_base;
240	void __iomem	*pmc;
241	spinlock_t	*lock;
242	struct tegra_clk_pll_params	*params;
243};
244
245#define to_clk_pll(_hw) container_of(_hw, struct tegra_clk_pll, hw)
246
247#define TEGRA_PLL_USE_LOCK BIT(0)
248#define TEGRA_PLL_HAS_CPCON BIT(1)
249#define TEGRA_PLL_SET_LFCON BIT(2)
250#define TEGRA_PLL_SET_DCCON BIT(3)
251#define TEGRA_PLLU BIT(4)
252#define TEGRA_PLLM BIT(5)
253#define TEGRA_PLL_FIXED BIT(6)
254#define TEGRA_PLLE_CONFIGURE BIT(7)
255#define TEGRA_PLL_LOCK_MISC BIT(8)
256#define TEGRA_PLL_BYPASS BIT(9)
257#define TEGRA_PLL_HAS_LOCK_ENABLE BIT(10)
258
259extern const struct clk_ops tegra_clk_pll_ops;
260extern const struct clk_ops tegra_clk_plle_ops;
261struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
262		void __iomem *clk_base, void __iomem *pmc,
263		unsigned long flags, struct tegra_clk_pll_params *pll_params,
264		spinlock_t *lock);
265
266struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
267		void __iomem *clk_base, void __iomem *pmc,
268		unsigned long flags, struct tegra_clk_pll_params *pll_params,
269		spinlock_t *lock);
270
271struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
272			    void __iomem *clk_base, void __iomem *pmc,
273			    unsigned long flags,
274			    struct tegra_clk_pll_params *pll_params,
275			    spinlock_t *lock);
276
277struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
278			   void __iomem *clk_base, void __iomem *pmc,
279			   unsigned long flags,
280			   struct tegra_clk_pll_params *pll_params,
281			   spinlock_t *lock);
282
283struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
284			   void __iomem *clk_base, void __iomem *pmc,
285			   unsigned long flags,
286			   struct tegra_clk_pll_params *pll_params,
287			   spinlock_t *lock);
288
289struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
290			   void __iomem *clk_base, void __iomem *pmc,
291			   unsigned long flags,
292			   struct tegra_clk_pll_params *pll_params,
293			   spinlock_t *lock, unsigned long parent_rate);
294
295struct clk *tegra_clk_register_plle_tegra114(const char *name,
296				const char *parent_name,
297				void __iomem *clk_base, unsigned long flags,
298				struct tegra_clk_pll_params *pll_params,
299				spinlock_t *lock);
300
301/**
302 * struct tegra_clk_pll_out - PLL divider down clock
303 *
304 * @hw:			handle between common and hardware-specific interfaces
305 * @reg:		register containing the PLL divider
306 * @enb_bit_idx:	bit to enable/disable PLL divider
307 * @rst_bit_idx:	bit to reset PLL divider
308 * @lock:		register lock
309 * @flags:		hardware-specific flags
310 */
311struct tegra_clk_pll_out {
312	struct clk_hw	hw;
313	void __iomem	*reg;
314	u8		enb_bit_idx;
315	u8		rst_bit_idx;
316	spinlock_t	*lock;
317	u8		flags;
318};
319
320#define to_clk_pll_out(_hw) container_of(_hw, struct tegra_clk_pll_out, hw)
321
322extern const struct clk_ops tegra_clk_pll_out_ops;
323struct clk *tegra_clk_register_pll_out(const char *name,
324		const char *parent_name, void __iomem *reg, u8 enb_bit_idx,
325		u8 rst_bit_idx, unsigned long flags, u8 pll_div_flags,
326		spinlock_t *lock);
327
328/**
329 * struct tegra_clk_periph_regs -  Registers controlling peripheral clock
330 *
331 * @enb_reg:		read the enable status
332 * @enb_set_reg:	write 1 to enable clock
333 * @enb_clr_reg:	write 1 to disable clock
334 * @rst_reg:		read the reset status
335 * @rst_set_reg:	write 1 to assert the reset of peripheral
336 * @rst_clr_reg:	write 1 to deassert the reset of peripheral
337 */
338struct tegra_clk_periph_regs {
339	u32 enb_reg;
340	u32 enb_set_reg;
341	u32 enb_clr_reg;
342	u32 rst_reg;
343	u32 rst_set_reg;
344	u32 rst_clr_reg;
345};
346
347/**
348 * struct tegra_clk_periph_gate - peripheral gate clock
349 *
350 * @magic:		magic number to validate type
351 * @hw:			handle between common and hardware-specific interfaces
352 * @clk_base:		address of CAR controller
353 * @regs:		Registers to control the peripheral
354 * @flags:		hardware-specific flags
355 * @clk_num:		Clock number
356 * @enable_refcnt:	array to maintain reference count of the clock
357 *
358 * Flags:
359 * TEGRA_PERIPH_NO_RESET - This flag indicates that reset is not allowed
360 *     for this module.
361 * TEGRA_PERIPH_MANUAL_RESET - This flag indicates not to reset module
362 *     after clock enable and driver for the module is responsible for
363 *     doing reset.
364 * TEGRA_PERIPH_ON_APB - If peripheral is in the APB bus then read the
365 *     bus to flush the write operation in apb bus. This flag indicates
366 *     that this peripheral is in apb bus.
367 * TEGRA_PERIPH_WAR_1005168 - Apply workaround for Tegra114 MSENC bug
368 */
369struct tegra_clk_periph_gate {
370	u32			magic;
371	struct clk_hw		hw;
372	void __iomem		*clk_base;
373	u8			flags;
374	int			clk_num;
375	int			*enable_refcnt;
376	struct tegra_clk_periph_regs	*regs;
377};
378
379#define to_clk_periph_gate(_hw)					\
380	container_of(_hw, struct tegra_clk_periph_gate, hw)
381
382#define TEGRA_CLK_PERIPH_GATE_MAGIC 0x17760309
383
384#define TEGRA_PERIPH_NO_RESET BIT(0)
385#define TEGRA_PERIPH_MANUAL_RESET BIT(1)
386#define TEGRA_PERIPH_ON_APB BIT(2)
387#define TEGRA_PERIPH_WAR_1005168 BIT(3)
388#define TEGRA_PERIPH_NO_DIV BIT(4)
389
390void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert);
391extern const struct clk_ops tegra_clk_periph_gate_ops;
392struct clk *tegra_clk_register_periph_gate(const char *name,
393		const char *parent_name, u8 gate_flags, void __iomem *clk_base,
394		unsigned long flags, int clk_num, int *enable_refcnt);
395
396/**
397 * struct clk-periph - peripheral clock
398 *
399 * @magic:	magic number to validate type
400 * @hw:		handle between common and hardware-specific interfaces
401 * @mux:	mux clock
402 * @divider:	divider clock
403 * @gate:	gate clock
404 * @mux_ops:	mux clock ops
405 * @div_ops:	divider clock ops
406 * @gate_ops:	gate clock ops
407 */
408struct tegra_clk_periph {
409	u32			magic;
410	struct clk_hw		hw;
411	struct clk_mux		mux;
412	struct tegra_clk_frac_div	divider;
413	struct tegra_clk_periph_gate	gate;
414
415	const struct clk_ops	*mux_ops;
416	const struct clk_ops	*div_ops;
417	const struct clk_ops	*gate_ops;
418};
419
420#define to_clk_periph(_hw) container_of(_hw, struct tegra_clk_periph, hw)
421
422#define TEGRA_CLK_PERIPH_MAGIC 0x18221223
423
424extern const struct clk_ops tegra_clk_periph_ops;
425struct clk *tegra_clk_register_periph(const char *name,
426		const char **parent_names, int num_parents,
427		struct tegra_clk_periph *periph, void __iomem *clk_base,
428		u32 offset, unsigned long flags);
429struct clk *tegra_clk_register_periph_nodiv(const char *name,
430		const char **parent_names, int num_parents,
431		struct tegra_clk_periph *periph, void __iomem *clk_base,
432		u32 offset);
433
434#define TEGRA_CLK_PERIPH(_mux_shift, _mux_mask, _mux_flags,		\
435			 _div_shift, _div_width, _div_frac_width,	\
436			 _div_flags, _clk_num,\
437			 _gate_flags, _table)				\
438	{								\
439		.mux = {						\
440			.flags = _mux_flags,				\
441			.shift = _mux_shift,				\
442			.mask = _mux_mask,				\
443			.table = _table,				\
444		},							\
445		.divider = {						\
446			.flags = _div_flags,				\
447			.shift = _div_shift,				\
448			.width = _div_width,				\
449			.frac_width = _div_frac_width,			\
450		},							\
451		.gate = {						\
452			.flags = _gate_flags,				\
453			.clk_num = _clk_num,				\
454		},							\
455		.mux_ops = &clk_mux_ops,				\
456		.div_ops = &tegra_clk_frac_div_ops,			\
457		.gate_ops = &tegra_clk_periph_gate_ops,			\
458	}
459
460struct tegra_periph_init_data {
461	const char *name;
462	int clk_id;
463	union {
464		const char **parent_names;
465		const char *parent_name;
466	} p;
467	int num_parents;
468	struct tegra_clk_periph periph;
469	u32 offset;
470	const char *con_id;
471	const char *dev_id;
472	unsigned long flags;
473};
474
475#define TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parent_names, _offset,\
476			_mux_shift, _mux_mask, _mux_flags, _div_shift,	\
477			_div_width, _div_frac_width, _div_flags,	\
478			_clk_num, _gate_flags, _clk_id, _table,		\
479			_flags) \
480	{								\
481		.name = _name,						\
482		.clk_id = _clk_id,					\
483		.p.parent_names = _parent_names,			\
484		.num_parents = ARRAY_SIZE(_parent_names),		\
485		.periph = TEGRA_CLK_PERIPH(_mux_shift, _mux_mask,	\
486					   _mux_flags, _div_shift,	\
487					   _div_width, _div_frac_width,	\
488					   _div_flags, _clk_num,	\
489					   _gate_flags, _table),	\
490		.offset = _offset,					\
491		.con_id = _con_id,					\
492		.dev_id = _dev_id,					\
493		.flags = _flags						\
494	}
495
496#define TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parent_names, _offset,\
497			_mux_shift, _mux_width, _mux_flags, _div_shift,	\
498			_div_width, _div_frac_width, _div_flags, \
499			_clk_num, _gate_flags, _clk_id)	\
500	TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parent_names, _offset,\
501			_mux_shift, BIT(_mux_width) - 1, _mux_flags,	\
502			_div_shift, _div_width, _div_frac_width, _div_flags, \
503			_clk_num, _gate_flags, _clk_id,\
504			NULL, 0)
505
506/**
507 * struct clk_super_mux - super clock
508 *
509 * @hw:		handle between common and hardware-specific interfaces
510 * @reg:	register controlling multiplexer
511 * @width:	width of the multiplexer bit field
512 * @flags:	hardware-specific flags
513 * @div2_index:	bit controlling divide-by-2
514 * @pllx_index:	PLLX index in the parent list
515 * @lock:	register lock
516 *
517 * Flags:
518 * TEGRA_DIVIDER_2 - LP cluster has additional divider. This flag indicates
519 *     that this is LP cluster clock.
520 */
521struct tegra_clk_super_mux {
522	struct clk_hw	hw;
523	void __iomem	*reg;
524	u8		width;
525	u8		flags;
526	u8		div2_index;
527	u8		pllx_index;
528	spinlock_t	*lock;
529};
530
531#define to_clk_super_mux(_hw) container_of(_hw, struct tegra_clk_super_mux, hw)
532
533#define TEGRA_DIVIDER_2 BIT(0)
534
535extern const struct clk_ops tegra_clk_super_ops;
536struct clk *tegra_clk_register_super_mux(const char *name,
537		const char **parent_names, u8 num_parents,
538		unsigned long flags, void __iomem *reg, u8 clk_super_flags,
539		u8 width, u8 pllx_index, u8 div2_index, spinlock_t *lock);
540
541/**
542 * struct clk_init_tabel - clock initialization table
543 * @clk_id:	clock id as mentioned in device tree bindings
544 * @parent_id:	parent clock id as mentioned in device tree bindings
545 * @rate:	rate to set
546 * @state:	enable/disable
547 */
548struct tegra_clk_init_table {
549	unsigned int	clk_id;
550	unsigned int	parent_id;
551	unsigned long	rate;
552	int		state;
553};
554
555/**
556 * struct clk_duplicate - duplicate clocks
557 * @clk_id:	clock id as mentioned in device tree bindings
558 * @lookup:	duplicate lookup entry for the clock
559 */
560struct tegra_clk_duplicate {
561	int			clk_id;
562	struct clk_lookup	lookup;
563};
564
565#define TEGRA_CLK_DUPLICATE(_clk_id, _dev, _con) \
566	{					\
567		.clk_id = _clk_id,		\
568		.lookup = {			\
569			.dev_id = _dev,		\
570			.con_id = _con,		\
571		},				\
572	}
573
574struct tegra_clk {
575	int			dt_id;
576	bool			present;
577};
578
579struct tegra_devclk {
580	int		dt_id;
581	char		*dev_id;
582	char		*con_id;
583};
584
585void tegra_init_from_table(struct tegra_clk_init_table *tbl,
586		struct clk *clks[], int clk_max);
587
588void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
589		struct clk *clks[], int clk_max);
590
591struct tegra_clk_periph_regs *get_reg_bank(int clkid);
592struct clk **tegra_clk_init(int num, int periph_banks);
593
594struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk);
595
596void tegra_add_of_provider(struct device_node *np);
597void tegra_register_devclks(struct tegra_devclk *dev_clks, int num);
598
599void tegra_audio_clk_init(void __iomem *clk_base,
600			void __iomem *pmc_base, struct tegra_clk *tegra_clks,
601			struct tegra_clk_pll_params *pll_params);
602
603void tegra_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base,
604			struct tegra_clk *tegra_clks,
605			struct tegra_clk_pll_params *pll_params);
606
607void tegra_pmc_clk_init(void __iomem *pmc_base, struct tegra_clk *tegra_clks);
608void tegra_fixed_clk_init(struct tegra_clk *tegra_clks);
609int tegra_osc_clk_init(void __iomem *clk_base, struct tegra_clk *tegra_clks,
610				unsigned long *input_freqs, int num,
611				unsigned long *osc_freq,
612				unsigned long *pll_ref_freq);
613void tegra_super_clk_gen4_init(void __iomem *clk_base,
614			void __iomem *pmc_base, struct tegra_clk *tegra_clks,
615			struct tegra_clk_pll_params *pll_params);
616
617void tegra114_clock_tune_cpu_trimmers_high(void);
618void tegra114_clock_tune_cpu_trimmers_low(void);
619void tegra114_clock_tune_cpu_trimmers_init(void);
620void tegra114_clock_assert_dfll_dvco_reset(void);
621void tegra114_clock_deassert_dfll_dvco_reset(void);
622
623typedef void (*tegra_clk_apply_init_table_func)(void);
624extern tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
625
626#endif /* TEGRA_CLK_H */
627