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exynos-acme: Allow to overclock the CPU

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flar2 2018-03-23 15:23:44 -04:00 committed by prashantpaddune
parent 6e361de8c5
commit c26f9bdbd0
1 changed files with 40 additions and 0 deletions
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40
drivers/cpufreq/exynos-acme.c
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@ -1084,6 +1084,40 @@ static int init_dm(struct exynos_cpufreq_domain *domain,
return register_exynos_dm_freq_scaler(domain->dm_type, dm_scaler);
}
static unsigned long arg_cpu_max_c1 = 1586000;
static int __init cpufreq_read_cpu_max_c1(char *cpu_max_c1)
{
unsigned long ui_khz;
int ret;
ret = kstrtoul(cpu_max_c1, 0, &ui_khz);
if (ret)
return -EINVAL;
arg_cpu_max_c1 = ui_khz;
printk("cpu_max_c1=%lu\n", arg_cpu_max_c1);
return ret;
}
__setup("cpu_max_c1=", cpufreq_read_cpu_max_c1);
unsigned long arg_cpu_max_c2 = 2184000;
static __init int cpufreq_read_cpu_max_c2(char *cpu_max_c2)
{
unsigned long ui_khz;
int ret;
ret = kstrtoul(cpu_max_c2, 0, &ui_khz);
if (ret)
return -EINVAL;
arg_cpu_max_c2 = ui_khz;
printk("cpu_max_c2=%lu\n", arg_cpu_max_c2);
return ret;
}
__setup("cpu_max_c2=", cpufreq_read_cpu_max_c2);
static __init int init_domain(struct exynos_cpufreq_domain *domain,
struct device_node *dn)
{
@ -1109,6 +1143,12 @@ static __init int init_domain(struct exynos_cpufreq_domain *domain,
if (!of_property_read_u32(dn, "min-freq", &val))
domain->min_freq = max(domain->min_freq, val);
if (domain->id == 0) {
domain->max_freq = arg_cpu_max_c1;
} else if (domain->id == 1) {
domain->max_freq = arg_cpu_max_c2;
}
domain->boot_freq = cal_dfs_get_boot_freq(domain->cal_id);
domain->resume_freq = cal_dfs_get_resume_freq(domain->cal_id);