From mboxrd@z Thu Jan 1 00:00:00 1970 From: horms@verge.net.au (Simon Horman) Date: Sat, 25 May 2013 10:32:53 +0900 Subject: [PATCH 1/2] ARM: shmobile: r8a7790: implement CPU clock scaling for CPUFreq In-Reply-To: References: Message-ID: <20130525013252.GD24005@verge.net.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, May 21, 2013 at 12:09:53PM +0200, Guennadi Liakhovetski wrote: > This patch adds support for the Z-clock on r8a7790 SoCs, which is driving > the Cortex A15 core. Adding an "operating-points" property to the CPU0 DT > node and a regulator, this patch allows platforms to use the generic > cpufreq-cpu0 driver to use SoC's DVFS capabilities. > > Signed-off-by: Guennadi Liakhovetski > --- > > Since I cannot use the regulator, supplying the DVFS voltage to the CPU on > Lager, I only tested this patch without voltage adjustments, but that > shouldn't matter for this specific change. I did verify, using the > ondemand CPUFreq governor, that the frequency and the CPU performance > change, depending on CPU load. Magnus, could you please review this series?