From a6c0f6eca1173e9d44f1f0fb9ecc832abd7d77d6 Mon Sep 17 00:00:00 2001 From: Sekhar Nori Date: Tue, 3 Nov 2009 15:14:13 +0530 Subject: davinci: add CPU idle driver The patch adds support for DaVinci cpu idle driver. Two idle states are defined: 1. Wait for interrupt 2. Wait for interrupt and DDR self-refresh (or power down) Some DaVinci SoCs support putting DDR in self-refresh (eg Dm644x, DM6467) while others support putting DDR in self-refresh and power down (eg DM35x, DA8xx). Putting DDR (or mDDR) in power down saves more power than self-refresh. The patch has been tested on DA850/OMAP-L138 EVM. Signed-off-by: Sekhar Nori Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/Makefile | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/mach-davinci/Makefile') diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index be629c54e212..5eae1a9d3697 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -32,3 +32,4 @@ obj-$(CONFIG_MACH_DAVINCI_DA850_EVM) += board-da850-evm.o # Power Management obj-$(CONFIG_CPU_FREQ) += cpufreq.o +obj-$(CONFIG_CPU_IDLE) += cpuidle.o -- cgit v1.2.3