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/*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS - CPU frequency scaling support
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* Define various levels of ARM frequency */
enum cpufreq_level {
CPU_FREQ_L200, /* 200 MHz */
CPU_FREQ_L300, /* 300 MHz */
CPU_FREQ_L400, /* 400 MHz */
CPU_FREQ_L500, /* 500 MHz */
CPU_FREQ_L600, /* 600 MHz */
CPU_FREQ_L700, /* 700 MHz */
CPU_FREQ_L800, /* 800 MHz */
CPU_FREQ_L900, /* 900 MHz */
CPU_FREQ_L1000, /* 1000 MHz */
CPU_FREQ_L1100, /* 1100 MHz */
CPU_FREQ_L1200, /* 1200 MHz */
CPU_FREQ_L1300, /* 1300 MHz */
CPU_FREQ_L1400, /* 1400 MHz */
CPU_FREQ_L1500, /* 1500 MHz */
CPU_FREQ_L1600, /* 1600 MHz */
CPU_FREQ_L1700, /* 1700 MHz */
CPU_FREQ_LCOUNT,
};
/*
* Initialize ARM frequency scaling
*
* @param blob FDT blob
* @return int value, 0 for success
*/
int exynos5250_cpufreq_init(const void *blob);
/*
* Switch ARM frequency to new level
*
* @param new_freq_level enum cpufreq_level, states new frequency
* @return int value, 0 for success
*/
int exynos5250_set_frequency(enum cpufreq_level new_freq_level);
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