diff options
| author | Jaecheol Lee <jc.lee@samsung.com> | 2012-01-07 11:18:35 (GMT) |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2012-01-09 04:52:40 (GMT) |
| commit | a125a17fa61afe2fa4e52b239dd20af8ce90c9f7 (patch) | |
| tree | 8b6486baf276c61eb7cc411eec1f850eefd4a71a /arch | |
| parent | b2bd68e1d5568a3911e991fc71e083f439886d8c (diff) | |
| download | linux-a125a17fa61afe2fa4e52b239dd20af8ce90c9f7.tar.xz | |
[CPUFREQ] EXYNOS: Make EXYNOS common cpufreq driver
To support various EXYNOS series SoCs commonly,
added exynos common structure.
exynos-cpufreq.c => EXYNOS series common cpufreq driver
exynos4210-cpufreq.c => EXYNOS4210 support cpufreq driver
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/cpufreq.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/include/mach/cpufreq.h b/arch/arm/mach-exynos/include/mach/cpufreq.h new file mode 100644 index 0000000..3df27f2 --- /dev/null +++ b/arch/arm/mach-exynos/include/mach/cpufreq.h @@ -0,0 +1,34 @@ +/* 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 *); |