diff options
Diffstat (limited to 'drivers/clk/qcom/common.h')
| -rw-r--r-- | drivers/clk/qcom/common.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h new file mode 100644 index 000000000..32c916be3 --- /dev/null +++ b/drivers/clk/qcom/common.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2014, The Linux Foundation. All rights reserved. */ + +#ifndef __QCOM_CLK_COMMON_H__ +#define __QCOM_CLK_COMMON_H__ + +struct platform_device; +struct regmap_config; +struct clk_regmap; +struct qcom_reset_map; +struct regmap; +struct freq_tbl; +struct clk_hw; + +#define PLL_LOCK_COUNT_SHIFT 8 +#define PLL_LOCK_COUNT_MASK 0x3f +#define PLL_BIAS_COUNT_SHIFT 14 +#define PLL_BIAS_COUNT_MASK 0x3f +#define PLL_VOTE_FSM_ENA BIT(20) +#define PLL_VOTE_FSM_RESET BIT(21) + +struct qcom_cc_desc { + const struct regmap_config *config; + struct clk_regmap **clks; + size_t num_clks; + const struct qcom_reset_map *resets; + size_t num_resets; + struct gdsc **gdscs; + size_t num_gdscs; +}; + +/** + * struct parent_map - map table for source select configuration values + * @src: source + * @cfg: configuration value + */ +struct parent_map { + u8 src; + u8 cfg; +}; + +extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, + unsigned long rate); +extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f, + unsigned long rate); +extern void +qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count); +extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, + u8 src); +extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, + u8 cfg); + +extern int qcom_cc_register_board_clk(struct device *dev, const char *path, + const char *name, unsigned long rate); +extern int qcom_cc_register_sleep_clk(struct device *dev); + +extern struct regmap *qcom_cc_map(struct platform_device *pdev, + const struct qcom_cc_desc *desc); +extern int qcom_cc_really_probe(struct platform_device *pdev, + const struct qcom_cc_desc *desc, + struct regmap *regmap); +extern int qcom_cc_probe(struct platform_device *pdev, + const struct qcom_cc_desc *desc); + +#endif |