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-rw-r--r--drivers/clk/qcom/clk-pll.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clk-pll.h b/drivers/clk/qcom/clk-pll.h
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+++ b/drivers/clk/qcom/clk-pll.h
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1/*
2 * Copyright (c) 2013, The Linux Foundation. All rights reserved.
3 *
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#ifndef __QCOM_CLK_PLL_H__
15#define __QCOM_CLK_PLL_H__
16
17#include <linux/clk-provider.h>
18#include "clk-regmap.h"
19
20/**
21 * struct clk_pll - phase locked loop (PLL)
22 * @l_reg: L register
23 * @m_reg: M register
24 * @n_reg: N register
25 * @config_reg: config register
26 * @mode_reg: mode register
27 * @status_reg: status register
28 * @status_bit: ANDed with @status_reg to determine if PLL is enabled
29 * @hw: handle between common and hardware-specific interfaces
30 */
31struct clk_pll {
32 u32 l_reg;
33 u32 m_reg;
34 u32 n_reg;
35 u32 config_reg;
36 u32 mode_reg;
37 u32 status_reg;
38 u8 status_bit;
39
40 struct clk_regmap clkr;
41};
42
43extern const struct clk_ops clk_pll_ops;
44extern const struct clk_ops clk_pll_vote_ops;
45
46#define to_clk_pll(_hw) container_of(to_clk_regmap(_hw), struct clk_pll, clkr)
47
48struct pll_config {
49 u16 l;
50 u32 m;
51 u32 n;
52 u32 vco_val;
53 u32 vco_mask;
54 u32 pre_div_val;
55 u32 pre_div_mask;
56 u32 post_div_val;
57 u32 post_div_mask;
58 u32 mn_ena_mask;
59 u32 main_output_mask;
60 u32 aux_output_mask;
61};
62
63void clk_pll_configure_sr_hpm_lp(struct clk_pll *pll, struct regmap *regmap,
64 const struct pll_config *config, bool fsm_mode);
65
66#endif