summaryrefslogtreecommitdiffstats
path: root/drivers/cpufreq/exynos-cpufreq.h
blob: 25c748b9b9104f9a10488728a2781d3f938ca4ba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/*
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * EXYNOS - CPUFreq support
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

enum cpufreq_level_index {
	L0, L1, L2, L3, L4,
	L5, L6, L7, L8, L9,
	L10, L11, L12, L13, L14,
	L15, L16, L17, L18, L19,
	L20,
};

struct exynos_dvfs_info {
	unsigned long	mpll_freq_khz;
	unsigned int	pll_safe_idx;
	unsigned int	pm_lock_idx;
	unsigned int	max_support_idx;
	unsigned int	min_support_idx;
	struct clk	*cpu_clk;
	unsigned int	*volt_table;
	struct cpufreq_frequency_table	*freq_table;
	void (*set_freq)(unsigned int, unsigned int);
	bool (*need_apll_change)(unsigned int, unsigned int);
};

extern int exynos4210_cpufreq_init(struct exynos_dvfs_info *);
extern int exynos4x12_cpufreq_init(struct exynos_dvfs_info *);
extern int exynos5250_cpufreq_init(struct exynos_dvfs_info *);