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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-11-29 21:46:04 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-11-29 21:46:04 +0100 |
commit | aa849506742212659f1ac3b7c3ea387478f81ae0 (patch) | |
tree | 4b758292f8eb31e36ffa3cef40834db67b11398c /Documentation | |
parent | d4c091f13dc4d30e4af43c0ccf8c82b3277574ca (diff) | |
parent | 3e33ee9e0804748f1b7a01af9ba0e8e1e10f772f (diff) |
Merge branch 'pm-cpufreq'
* pm-cpufreq: (21 commits)
cpufreq: ondemand: update sampling rate only on right CPUs
cpufreq: SPEAr: Add CPUFreq driver
cpufreq: governors: Fix jiffies/cputime mixup (revisited)
cpufreq: ondemand: fix wrong delay sampling rate
cpufreq: exynos: Use static for functions used in only this file
cpufreq: exynos: Broadcast frequency change notifications for all cores
cpufreq: remove use of __devexit
cpufreq: remove use of __devinit
cpufreq: remove use of __devexit_p
cpufreq: Remove unnecessary initialization of a local variable
cpufreq: Make sure target freq is within limits
cpufreq: Avoid calling cpufreq driver's target() routine if target_freq == policy->cur
cpufreq: Fix sparse warning by making local function static
cpufreq: Fix sparse warnings by updating cputime64_t to u64
cpufreq: governors: remove redundant code
cpufreq: return early from __cpufreq_driver_getavg()
cpufreq: fix jiffies/cputime mixup in conservative/ondemand governors
cpufreq: Improve debug prints
cpufreq: Move common part from governors to separate file, v2
cpufreq / core: Fix printing of governor and driver name
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/cpufreq/cpufreq-spear.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-spear.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-spear.txt new file mode 100644 index 000000000000..f3d44984d91c --- /dev/null +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-spear.txt @@ -0,0 +1,42 @@ +SPEAr cpufreq driver +------------------- + +SPEAr SoC cpufreq driver for CPU frequency scaling. +It supports both uniprocessor (UP) and symmetric multiprocessor (SMP) systems +which share clock across all CPUs. + +Required properties: +- cpufreq_tbl: Table of frequencies CPU could be transitioned into, in the + increasing order. + +Optional properties: +- clock-latency: Specify the possible maximum transition latency for clock, in + unit of nanoseconds. + +Both required and optional properties listed above must be defined under node +/cpus/cpu@0. + +Examples: +-------- +cpus { + + <...> + + cpu@0 { + compatible = "arm,cortex-a9"; + reg = <0>; + + <...> + + cpufreq_tbl = < 166000 + 200000 + 250000 + 300000 + 400000 + 500000 + 600000 >; + }; + + <...> + +}; |