linux/drivers/clk/qcom/common.h
Luca Weiss b21b5b3ae0 clk: qcom: common: Add support to register rcg dfs in qcom_cc_really_probe
Add support to register the rcg dfs in qcom_cc_really_probe(). This
allows users to move the call from the probe function to static
properties.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250715-sm7635-clocks-v3-1-18f9faac4984@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2025-07-16 23:17:04 -05:00

92 lines
2.6 KiB
C

/* 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_icc_hws_data {
int master_id;
int slave_id;
int clk_id;
};
struct qcom_cc_driver_data {
struct clk_alpha_pll **alpha_plls;
size_t num_alpha_plls;
u32 *clk_cbcrs;
size_t num_clk_cbcrs;
const struct clk_rcg_dfs_data *dfs_rcgs;
size_t num_dfs_rcgs;
void (*clk_regs_configure)(struct device *dev, struct regmap *regmap);
};
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 clk_hw **clk_hws;
size_t num_clk_hws;
const struct qcom_icc_hws_data *icc_hws;
size_t num_icc_hws;
unsigned int icc_first_node_id;
bool use_rpm;
struct qcom_cc_driver_data *driver_data;
};
/**
* 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 const struct freq_multi_tbl *qcom_find_freq_multi(const struct freq_multi_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 device *dev,
const struct qcom_cc_desc *desc,
struct regmap *regmap);
extern int qcom_cc_probe(struct platform_device *pdev,
const struct qcom_cc_desc *desc);
extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
const struct qcom_cc_desc *desc);
#endif