linux_dsm_epyc7002/drivers/clk/qcom/common.h
Rajendra Nayak 400d9fda39 clk: qcom: Enable FSM mode for votable alpha PLLs
The votable alpha PLLs need to have the fsm mode enabled as part
of the initialization. The sequence seems to be the same as used
by clk-pll, so move the function which does this into a common
place and reuse it for the clk-alpha-pll

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-11-01 18:39:17 -07:00

62 lines
1.9 KiB
C

/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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;
struct parent_map;
#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;
};
extern const struct freq_tbl *qcom_find_freq(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_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