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
7struct platform_device;
8struct regmap_config;
9struct clk_regmap;
10struct qcom_reset_map;
11struct regmap;
12struct freq_tbl;
13struct 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
22struct 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 */
39struct parent_map {
40 u8 src;
41 u8 cfg;
42};
43
44extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
45 unsigned long rate);
46extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
47 unsigned long rate);
48extern void
49qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
50extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
51 u8 src);
52extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
53 u8 cfg);
54
55extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
56 const char *name, unsigned long rate);
57extern int qcom_cc_register_sleep_clk(struct device *dev);
58
59extern struct regmap *qcom_cc_map(struct platform_device *pdev,
60 const struct qcom_cc_desc *desc);
61extern int qcom_cc_really_probe(struct platform_device *pdev,
62 const struct qcom_cc_desc *desc,
63 struct regmap *regmap);
64extern int qcom_cc_probe(struct platform_device *pdev,
65 const struct qcom_cc_desc *desc);
66extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
67 const struct qcom_cc_desc *desc);
68
69#endif
70

source code of linux/drivers/clk/qcom/common.h