1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2014, The Linux Foundation. All rights reserved. */ 3 4 #ifndef __QCOM_CLK_COMMON_H__ 5 #define __QCOM_CLK_COMMON_H__ 6 7 struct platform_device; 8 struct regmap_config; 9 struct clk_regmap; 10 struct qcom_reset_map; 11 struct regmap; 12 struct freq_tbl; 13 struct clk_hw; 14 15 #define PLL_LOCK_COUNT_SHIFT 8 16 #define PLL_LOCK_COUNT_MASK 0x3f 17 #define PLL_BIAS_COUNT_SHIFT 14 18 #define PLL_BIAS_COUNT_MASK 0x3f 19 #define PLL_VOTE_FSM_ENA BIT(20) 20 #define PLL_VOTE_FSM_RESET BIT(21) 21 22 struct qcom_cc_desc { 23 const struct regmap_config *config; 24 struct clk_regmap **clks; 25 size_t num_clks; 26 const struct qcom_reset_map *resets; 27 size_t num_resets; 28 struct gdsc **gdscs; 29 size_t num_gdscs; 30 struct clk_hw **clk_hws; 31 size_t num_clk_hws; 32 }; 33 34 /** 35 * struct parent_map - map table for source select configuration values 36 * @src: source 37 * @cfg: configuration value 38 */ 39 struct parent_map { 40 u8 src; 41 u8 cfg; 42 }; 43 44 extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, 45 unsigned long rate); 46 extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f, 47 unsigned long rate); 48 extern const struct freq_multi_tbl *qcom_find_freq_multi(const struct freq_multi_tbl *f, 49 unsigned long rate); 50 extern void 51 qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count); 52 extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, 53 u8 src); 54 extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, 55 u8 cfg); 56 57 extern int qcom_cc_register_board_clk(struct device *dev, const char *path, 58 const char *name, unsigned long rate); 59 extern int qcom_cc_register_sleep_clk(struct device *dev); 60 61 extern struct regmap *qcom_cc_map(struct platform_device *pdev, 62 const struct qcom_cc_desc *desc); 63 extern int qcom_cc_really_probe(struct platform_device *pdev, 64 const struct qcom_cc_desc *desc, 65 struct regmap *regmap); 66 extern int qcom_cc_probe(struct platform_device *pdev, 67 const struct qcom_cc_desc *desc); 68 extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index, 69 const struct qcom_cc_desc *desc); 70 71 #endif 72