From: Thomas Abraham <ta.omasab@gmail.com> To: cpufreq@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: mturquette@linaro.org, shawn.guo@linaro.org, devicetree@vger.kernel.org, rjw@rjwysocki.net, linux-samsung-soc@vger.kernel.org, kgene.kim@samsung.com, t.figa@samsung.com, l.majewski@samsung.com, viresh.kumar@linaro.org, heiko@sntech.de, thomas.ab@samsung.com Subject: [PATCH v4 1/8] cpufreq: cpufreq-cpu0: allow use of optional boost mode frequencies Date: Wed, 14 May 2014 06:41:09 +0530 [thread overview] Message-ID: <1400029876-5830-2-git-send-email-thomas.ab@samsung.com> (raw) In-Reply-To: <1400029876-5830-1-git-send-email-thomas.ab@samsung.com> 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 | 11 +++++++++++ drivers/cpufreq/cpufreq-cpu0.c | 5 +++++ 3 files changed, 18 insertions(+), 0 deletions(-) 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..0ca4485 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -194,6 +194,17 @@ config GENERIC_CPUFREQ_CPU0 If in doubt, say N. +config GENERIC_CPUFREQ_CPU0_BOOST + bool "Boost frequency support for generic CPU0 cpufreq driver" + depends on GENERIC_CPUFREQ_CPU0 + select CPU_FREQ_BOOST_SW + help + This enables support for software managed overclocking (BOOST). It + allows usage of special frequencies (those beyond the normal operating + frequencies). + + If in doubt, say N. + menu "x86 CPU frequency scaling drivers" depends on X86 source "drivers/cpufreq/Kconfig.x86" diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 1bf6bba..e6c21a8 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -194,6 +194,11 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) transition_latency += ret * 1000; } +#ifdef CONFIG_GENERIC_CPUFREQ_CPU0_BOOST + if (of_find_property(cpu_dev->of_node, "boost-frequency", NULL)) + cpu0_cpufreq_driver.boost_supported = true; +#endif + ret = cpufreq_register_driver(&cpu0_cpufreq_driver); if (ret) { pr_err("failed register driver: %d\n", ret); -- 1.7.4.4
WARNING: multiple messages have this Message-ID (diff)
From: ta.omasab@gmail.com (Thomas Abraham) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 1/8] cpufreq: cpufreq-cpu0: allow use of optional boost mode frequencies Date: Wed, 14 May 2014 06:41:09 +0530 [thread overview] Message-ID: <1400029876-5830-2-git-send-email-thomas.ab@samsung.com> (raw) In-Reply-To: <1400029876-5830-1-git-send-email-thomas.ab@samsung.com> 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 | 11 +++++++++++ drivers/cpufreq/cpufreq-cpu0.c | 5 +++++ 3 files changed, 18 insertions(+), 0 deletions(-) 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..0ca4485 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -194,6 +194,17 @@ config GENERIC_CPUFREQ_CPU0 If in doubt, say N. +config GENERIC_CPUFREQ_CPU0_BOOST + bool "Boost frequency support for generic CPU0 cpufreq driver" + depends on GENERIC_CPUFREQ_CPU0 + select CPU_FREQ_BOOST_SW + help + This enables support for software managed overclocking (BOOST). It + allows usage of special frequencies (those beyond the normal operating + frequencies). + + If in doubt, say N. + menu "x86 CPU frequency scaling drivers" depends on X86 source "drivers/cpufreq/Kconfig.x86" diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 1bf6bba..e6c21a8 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -194,6 +194,11 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) transition_latency += ret * 1000; } +#ifdef CONFIG_GENERIC_CPUFREQ_CPU0_BOOST + if (of_find_property(cpu_dev->of_node, "boost-frequency", NULL)) + cpu0_cpufreq_driver.boost_supported = true; +#endif + ret = cpufreq_register_driver(&cpu0_cpufreq_driver); if (ret) { pr_err("failed register driver: %d\n", ret); -- 1.7.4.4
next prev parent reply other threads:[~2014-05-14 1:11 UTC|newest] Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-05-14 1:11 [PATCH v4 0/8] cpufreq: use cpufreq-cpu0 driver for exynos based platforms Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham [this message] 2014-05-14 1:11 ` [PATCH v4 1/8] cpufreq: cpufreq-cpu0: allow use of optional boost mode frequencies Thomas Abraham 2014-05-14 3:46 ` Viresh Kumar 2014-05-14 3:46 ` Viresh Kumar 2014-05-14 6:17 ` Lukasz Majewski 2014-05-14 6:17 ` Lukasz Majewski 2014-05-14 6:20 ` Viresh Kumar 2014-05-14 6:20 ` Viresh Kumar 2014-05-14 13:43 ` Thomas Abraham 2014-05-14 13:43 ` Thomas Abraham 2014-05-14 13:50 ` Viresh Kumar 2014-05-14 13:50 ` Viresh Kumar 2014-05-14 14:18 ` Thomas Abraham 2014-05-14 14:18 ` Thomas Abraham 2014-05-14 14:20 ` Viresh Kumar 2014-05-14 14:20 ` Viresh Kumar 2014-05-14 1:11 ` [PATCH v4 2/8] clk: samsung: change scope of samsung clock lock to global Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-14 3:50 ` Viresh Kumar 2014-05-14 3:50 ` Viresh Kumar 2014-05-14 13:26 ` Thomas Abraham 2014-05-14 13:26 ` Thomas Abraham 2014-05-16 12:30 ` Tomasz Figa 2014-05-16 12:30 ` Tomasz Figa 2014-05-14 1:11 ` [PATCH v4 3/8] clk: samsung: add infrastructure to register cpu clocks Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-15 18:18 ` Doug Anderson 2014-05-15 18:18 ` Doug Anderson 2014-05-15 19:17 ` Heiko Stübner 2014-05-15 19:17 ` Heiko Stübner 2014-05-15 19:36 ` Doug Anderson 2014-05-15 19:36 ` Doug Anderson 2014-05-15 19:36 ` Doug Anderson 2014-05-15 20:12 ` Heiko Stübner 2014-05-15 20:12 ` Heiko Stübner 2014-05-15 20:26 ` Doug Anderson 2014-05-15 20:26 ` Doug Anderson 2014-05-16 4:55 ` Thomas Abraham 2014-05-16 4:55 ` Thomas Abraham 2014-05-16 17:17 ` Tomasz Figa 2014-05-16 17:17 ` Tomasz Figa 2014-05-23 14:41 ` Thomas Abraham 2014-05-23 14:41 ` Thomas Abraham 2014-05-23 14:50 ` Tomasz Figa 2014-05-23 14:50 ` Tomasz Figa 2014-05-14 1:11 ` [PATCH v4 4/8] Documentation: devicetree: add cpu clock configuration data binding for Exynos4/5 Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-16 23:24 ` Tomasz Figa 2014-05-16 23:24 ` Tomasz Figa 2014-05-17 0:00 ` Tomasz Figa 2014-05-17 0:00 ` Tomasz Figa 2014-05-26 6:05 ` Thomas Abraham 2014-05-26 6:05 ` Thomas Abraham 2014-05-26 11:02 ` Tomasz Figa 2014-05-26 11:02 ` Tomasz Figa 2014-05-14 1:11 ` [PATCH v4 5/8] clk: exynos: use cpu-clock provider type to represent arm clock Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-14 21:37 ` Mike Turquette 2014-05-14 21:37 ` Mike Turquette 2014-05-15 7:48 ` Thomas Abraham 2014-05-15 7:48 ` Thomas Abraham 2014-05-15 8:10 ` Lukasz Majewski 2014-05-15 8:10 ` Lukasz Majewski 2014-05-15 9:59 ` Thomas Abraham 2014-05-15 9:59 ` Thomas Abraham 2014-05-16 5:14 ` Thomas Abraham 2014-05-16 5:14 ` Thomas Abraham 2014-05-16 23:57 ` Tomasz Figa 2014-05-16 23:57 ` Tomasz Figa 2014-05-14 1:11 ` [PATCH v4 6/8] ARM: dts: Exynos: add cpu nodes, opp and cpu clock configuration data Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-16 23:16 ` Tomasz Figa 2014-05-16 23:16 ` Tomasz Figa 2014-05-14 1:11 ` [PATCH v4 7/8] ARM: Exynos: switch to using generic cpufreq-cpu0 driver Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-14 12:50 ` Arnd Bergmann 2014-05-14 12:50 ` Arnd Bergmann 2014-05-14 13:05 ` Viresh Kumar 2014-05-14 13:05 ` Viresh Kumar 2014-05-14 13:11 ` Heiko Stübner 2014-05-14 13:11 ` Heiko Stübner 2014-05-14 13:14 ` Viresh Kumar 2014-05-14 13:14 ` Viresh Kumar 2014-05-14 13:14 ` Viresh Kumar 2014-05-14 13:18 ` Arnd Bergmann 2014-05-14 13:18 ` Arnd Bergmann 2014-05-14 13:45 ` Rob Herring 2014-05-14 13:45 ` Rob Herring 2014-05-14 13:45 ` Rob Herring 2014-05-14 14:33 ` Arnd Bergmann 2014-05-14 14:33 ` Arnd Bergmann 2014-07-08 5:15 ` Viresh Kumar 2014-07-08 5:15 ` Viresh Kumar 2014-05-14 14:03 ` Thomas Abraham 2014-05-14 14:03 ` Thomas Abraham 2014-05-14 14:03 ` Thomas Abraham 2014-05-14 14:09 ` Sudeep Holla 2014-05-14 14:09 ` Sudeep Holla 2014-05-14 14:09 ` Sudeep Holla 2014-05-14 14:09 ` Thomas Abraham 2014-05-14 14:09 ` Thomas Abraham 2014-05-17 0:04 ` Tomasz Figa 2014-05-17 0:04 ` Tomasz Figa 2014-05-14 1:11 ` [PATCH v4 8/8] cpufreq: exynos: remove all exynos specific cpufreq driver support Thomas Abraham 2014-05-14 1:11 ` Thomas Abraham 2014-05-14 3:57 ` Viresh Kumar 2014-05-14 3:57 ` Viresh Kumar 2014-05-14 7:20 ` Lukasz Majewski 2014-05-14 7:20 ` Lukasz Majewski 2014-05-14 13:53 ` Thomas Abraham 2014-05-14 13:53 ` Thomas Abraham 2014-05-14 12:51 ` [PATCH v4 0/8] cpufreq: use cpufreq-cpu0 driver for exynos based platforms Arnd Bergmann 2014-05-14 12:51 ` Arnd Bergmann 2014-05-14 13:07 ` Viresh Kumar 2014-05-14 13:07 ` Viresh Kumar 2014-05-14 13:16 ` Arnd Bergmann 2014-05-14 13:16 ` Arnd Bergmann 2014-05-17 0:14 ` Tomasz Figa 2014-05-17 0:14 ` Tomasz Figa 2014-05-17 0:14 ` Tomasz Figa
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