blob: 2f48530ec102fb2b40f821103144b99ead6dce41 [file] [log] [blame]
Stephen Boyd8ff1f4c2015-11-30 17:31:39 -08001/*
2 * Copyright (c) 2015, 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_ALPHA_PLL_H__
15#define __QCOM_CLK_ALPHA_PLL_H__
16
17#include <linux/clk-provider.h>
18#include "clk-regmap.h"
19
20struct pll_vco {
21 unsigned long min_freq;
22 unsigned long max_freq;
23 u32 val;
24};
25
26/**
27 * struct clk_alpha_pll - phase locked loop (PLL)
28 * @offset: base address of registers
29 * @vco_table: array of VCO settings
30 * @clkr: regmap clock handle
31 */
32struct clk_alpha_pll {
33 u32 offset;
34
35 const struct pll_vco *vco_table;
36 size_t num_vco;
Rajendra Nayakfeb65642016-09-29 14:05:42 +053037#define SUPPORTS_OFFLINE_REQ BIT(0)
38 u8 flags;
Stephen Boyd8ff1f4c2015-11-30 17:31:39 -080039
40 struct clk_regmap clkr;
41};
42
43/**
44 * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
45 * @offset: base address of registers
46 * @width: width of post-divider
47 * @clkr: regmap clock handle
48 */
49struct clk_alpha_pll_postdiv {
50 u32 offset;
51 u8 width;
52
53 struct clk_regmap clkr;
54};
55
Rajendra Nayak9f4e6272016-09-29 14:05:43 +053056struct alpha_pll_config {
57 u32 l;
58 u32 alpha;
59 u32 config_ctl_val;
60 u32 config_ctl_hi_val;
61 u32 main_output_mask;
62 u32 aux_output_mask;
63 u32 aux2_output_mask;
64 u32 early_output_mask;
65 u32 pre_div_val;
66 u32 pre_div_mask;
67 u32 post_div_val;
68 u32 post_div_mask;
69 u32 vco_val;
70 u32 vco_mask;
71};
72
Stephen Boyd8ff1f4c2015-11-30 17:31:39 -080073extern const struct clk_ops clk_alpha_pll_ops;
Rajendra Nayakfeb65642016-09-29 14:05:42 +053074extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
Stephen Boyd8ff1f4c2015-11-30 17:31:39 -080075extern const struct clk_ops clk_alpha_pll_postdiv_ops;
76
Rajendra Nayak9f4e6272016-09-29 14:05:43 +053077void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
78 const struct alpha_pll_config *config);
79
Stephen Boyd8ff1f4c2015-11-30 17:31:39 -080080#endif