kernel-ark/arch/arm/mach-exynos/include/mach/cpufreq.h
Jaecheol Lee 562a6cbe1c EXYNOS5250: Add support cpufreq for EXYNOS5250
This patch adds support cpufreq for EXYNOS5250 SoC. Basically,
the exynos-cpufreq.c is used commonly and exynos5250-cpufreq.c
is used for EXYNOS5250(two Cortex-A15 cores) SoC.

Signed-off-by: Jaecheol Lee <jc.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Dave Jones <davej@redhat.com>
2012-03-14 14:39:50 -04:00

37 lines
1.0 KiB
C

/* linux/arch/arm/mach-exynos/include/mach/cpufreq.h
*
* 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 *);