xref: /openbmc/linux/drivers/clk/qcom/common.h (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
1f9419783STaniya Das /* SPDX-License-Identifier: GPL-2.0 */
2f9419783STaniya Das /* Copyright (c) 2014, The Linux Foundation. All rights reserved. */
3f9419783STaniya Das 
449fc825fSStephen Boyd #ifndef __QCOM_CLK_COMMON_H__
549fc825fSStephen Boyd #define __QCOM_CLK_COMMON_H__
649fc825fSStephen Boyd 
749fc825fSStephen Boyd struct platform_device;
849fc825fSStephen Boyd struct regmap_config;
949fc825fSStephen Boyd struct clk_regmap;
1049fc825fSStephen Boyd struct qcom_reset_map;
115b6b7490SStephen Boyd struct regmap;
1250c6a503SStephen Boyd struct freq_tbl;
13293d2e97SGeorgi Djakov struct clk_hw;
1449fc825fSStephen Boyd 
15400d9fdaSRajendra Nayak #define PLL_LOCK_COUNT_SHIFT	8
16400d9fdaSRajendra Nayak #define PLL_LOCK_COUNT_MASK	0x3f
17400d9fdaSRajendra Nayak #define PLL_BIAS_COUNT_SHIFT	14
18400d9fdaSRajendra Nayak #define PLL_BIAS_COUNT_MASK	0x3f
19400d9fdaSRajendra Nayak #define PLL_VOTE_FSM_ENA	BIT(20)
20400d9fdaSRajendra Nayak #define PLL_VOTE_FSM_RESET	BIT(21)
21400d9fdaSRajendra Nayak 
2249fc825fSStephen Boyd struct qcom_cc_desc {
2349fc825fSStephen Boyd 	const struct regmap_config *config;
2449fc825fSStephen Boyd 	struct clk_regmap **clks;
2549fc825fSStephen Boyd 	size_t num_clks;
2649fc825fSStephen Boyd 	const struct qcom_reset_map *resets;
2749fc825fSStephen Boyd 	size_t num_resets;
285e5cc241SRajendra Nayak 	struct gdsc **gdscs;
295e5cc241SRajendra Nayak 	size_t num_gdscs;
30760be658SJeffrey Hugo 	struct clk_hw **clk_hws;
31760be658SJeffrey Hugo 	size_t num_clk_hws;
3249fc825fSStephen Boyd };
3349fc825fSStephen Boyd 
34df964016SAbhishek Sahu /**
35df964016SAbhishek Sahu  * struct parent_map - map table for source select configuration values
36df964016SAbhishek Sahu  * @src: source
37df964016SAbhishek Sahu  * @cfg: configuration value
38df964016SAbhishek Sahu  */
39df964016SAbhishek Sahu struct parent_map {
40df964016SAbhishek Sahu 	u8 src;
41df964016SAbhishek Sahu 	u8 cfg;
42df964016SAbhishek Sahu };
43df964016SAbhishek Sahu 
4450c6a503SStephen Boyd extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
4550c6a503SStephen Boyd 					     unsigned long rate);
46081ba802SRajendra Nayak extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
47081ba802SRajendra Nayak 						   unsigned long rate);
48400d9fdaSRajendra Nayak extern void
49400d9fdaSRajendra Nayak qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
50293d2e97SGeorgi Djakov extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
51293d2e97SGeorgi Djakov 			       u8 src);
52*9a61f813SDmitry Baryshkov extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
53*9a61f813SDmitry Baryshkov 			       u8 cfg);
5450c6a503SStephen Boyd 
55ee15faffSStephen Boyd extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
56ee15faffSStephen Boyd 				      const char *name, unsigned long rate);
57ee15faffSStephen Boyd extern int qcom_cc_register_sleep_clk(struct device *dev);
58ee15faffSStephen Boyd 
595b6b7490SStephen Boyd extern struct regmap *qcom_cc_map(struct platform_device *pdev,
605b6b7490SStephen Boyd 				  const struct qcom_cc_desc *desc);
615b6b7490SStephen Boyd extern int qcom_cc_really_probe(struct platform_device *pdev,
625b6b7490SStephen Boyd 				const struct qcom_cc_desc *desc,
635b6b7490SStephen Boyd 				struct regmap *regmap);
6449fc825fSStephen Boyd extern int qcom_cc_probe(struct platform_device *pdev,
6549fc825fSStephen Boyd 			 const struct qcom_cc_desc *desc);
6675e0a1e3SGovind Singh extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
6775e0a1e3SGovind Singh 				  const struct qcom_cc_desc *desc);
6849fc825fSStephen Boyd 
6949fc825fSStephen Boyd #endif
70