From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Zhao Subject: [PATCH V3 0/7] add a generic cpufreq driver Date: Mon, 19 Dec 2011 11:21:36 +0800 Message-ID: <1324264903-15395-1-git-send-email-richard.zhao@linaro.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: cpufreq-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org, cpufreq@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Cc: linux@arm.linux.org.uk, davej@redhat.com, grant.likely@secretlab.ca, rob.herring@calxeda.com, rdunlap@xenotime.net, kernel@pengutronix.de, shawn.guo@linaro.org, catalin.marinas@arm.com, eric.miao@linaro.org, mark.langsdorf@calxeda.com, davidb@codeaurora.org, arnd@arndb.de, bryanh@codeaurora.org, jamie@jamieiles.com, marc.zyngier@arm.com, linaro-dev@lists.linaro.org, patches@linaro.org List-Id: devicetree@vger.kernel.org The driver support single core and multi core ARM SoCs. For multi core, it assume all cores share the same clock and voltage. TODO: - Add each core seperate freq/volt support (MSM). Changes in v3: - move adjusting smp loops_per_jiffy to arm common code, and also adjust global loops_per_jiffy. - remove adjusting loops_per_jiffy in imx and omap cpufreq drivers. - check compatible "generic-cpufreq" when module_init - change printk to pr_xxx - add generic-cpufreq DT binding doc Changes in v2: - add volatage change support - change '_' in property name to '-' - use initial value to calculate loops_per_jiffy - fix reading cpu_volts property bug - let cpufreq_frequency_table_cpuinfo routines handle cpu_freq_khz_max/min - don't change freq in arm_cpufreq_exit, because every core share the same freq. - use unsigned long describe frequency as much as possible. Because clk use unsigned long, but cpufreq use unsigned int. [PATCH V3 1/7] ARM: add cpufreq transiton notifier to adjust [PATCH V3 2/7] arm/imx: cpufreq: remove loops_per_jiffy recalculate [PATCH V3 3/7] cpufreq: OMAP: remove loops_per_jiffy recalculate for [PATCH V3 4/7] cpufreq: add generic cpufreq driver [PATCH V3 5/7] dts/imx6q: add cpufreq property [PATCH V3 6/7] arm/imx6q: register arm_clk as cpu to clkdev [PATCH V3 7/7] arm/imx6q: select ARCH_HAS_CPUFREQ