| Message ID | 1400855260-6807-2-git-send-email-thomas.ab@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 23 May 2014 19:57, Thomas Abraham <thomas.ab@samsung.com> wrote: > From: Thomas Abraham <thomas.ab@samsung.com> > > Lookup for the optional boost-frequency property in cpu0 node and if > available, enable support for boost mode frequencies. The frequencies > usable in boost mode are determined while preparing the cpufreq table > from the list of operating points available. > > Cc: Shawn Guo <shawn.guo@linaro.org> > Cc: Lukasz Majewski <l.majewski@samsung.com> > Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> > --- > .../devicetree/bindings/cpufreq/cpufreq-cpu0.txt | 2 ++ > drivers/cpufreq/Kconfig | 1 + > drivers/cpufreq/cpufreq-cpu0.c | 3 +++ > 3 files changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt > index f055515..60f321a 100644 > --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt > +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt > @@ -19,6 +19,8 @@ Optional properties: > - cooling-min-level: > - cooling-max-level: > Please refer to Documentation/devicetree/bindings/thermal/thermal.txt. > +- boost-frequency: > + Please refer to Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt > > Examples: > > diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig > index 1fbe11f..52741b9 100644 > --- a/drivers/cpufreq/Kconfig > +++ b/drivers/cpufreq/Kconfig > @@ -187,6 +187,7 @@ config GENERIC_CPUFREQ_CPU0 > tristate "Generic CPU0 cpufreq driver" > depends on HAVE_CLK && REGULATOR && OF && THERMAL && CPU_THERMAL > select PM_OPP > + select CPU_FREQ_BOOST_SW Drop this. Select it from your platform driver if you want. > help > This adds a generic cpufreq driver for CPU0 frequency management. > It supports both uniprocessor (UP) and symmetric multiprocessor (SMP) > diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c > index 1bf6bba..93d3d6d 100644 > --- a/drivers/cpufreq/cpufreq-cpu0.c > +++ b/drivers/cpufreq/cpufreq-cpu0.c > @@ -194,6 +194,9 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) > transition_latency += ret * 1000; > } > > + if (of_find_property(cpu_dev->of_node, "boost-frequencies", NULL)) > + cpu0_cpufreq_driver.boost_supported = true; > + > ret = cpufreq_register_driver(&cpu0_cpufreq_driver); > if (ret) { > pr_err("failed register driver: %d\n", ret); > -- > 1.7.9.5 >
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt index f055515..60f321a 100644 --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt @@ -19,6 +19,8 @@ Optional properties: - cooling-min-level: - cooling-max-level: Please refer to Documentation/devicetree/bindings/thermal/thermal.txt. +- boost-frequency: + Please refer to Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt Examples: diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index 1fbe11f..52741b9 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -187,6 +187,7 @@ config GENERIC_CPUFREQ_CPU0 tristate "Generic CPU0 cpufreq driver" depends on HAVE_CLK && REGULATOR && OF && THERMAL && CPU_THERMAL select PM_OPP + select CPU_FREQ_BOOST_SW help This adds a generic cpufreq driver for CPU0 frequency management. It supports both uniprocessor (UP) and symmetric multiprocessor (SMP) diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 1bf6bba..93d3d6d 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -194,6 +194,9 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) transition_latency += ret * 1000; } + if (of_find_property(cpu_dev->of_node, "boost-frequencies", NULL)) + cpu0_cpufreq_driver.boost_supported = true; + ret = cpufreq_register_driver(&cpu0_cpufreq_driver); if (ret) { pr_err("failed register driver: %d\n", ret);