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[PATCH] ARM: 2781/2: PXA27x Standby mode take 2

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Patch from Todd Poynor

Add support for PXA27x Standby mode, a low-power mode that retains CPU
and some peripheral state (the existing "sleep" mode is a power-power
mode that retains less state). Activated via:
echo -n standby > /sys/power/state
From: David Burrage and Todd Poynor

Signed-off-by: Todd Poynor <tpoynor@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Todd Poynor
2005-07-01 11:27:05 +01:00
committed by Russell King
parent 62351cc38d
commit 26705ca46b
4 changed files with 45 additions and 1 deletions
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include/asm-arm/arch-pxa/pxa-regs.h
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@@ -1505,6 +1505,7 @@
#define PSSR_OTGPH (1 << 6) /* OTG Peripheral control Hold */
#define PSSR_RDH (1 << 5) /* Read Disable Hold */
#define PSSR_PH (1 << 4) /* Peripheral Control Hold */
#define PSSR_STS (1 << 3) /* Standby Mode Status */
#define PSSR_VFS (1 << 2) /* VDD Fault Status */
#define PSSR_BFS (1 << 1) /* Battery Fault Status */
#define PSSR_SSS (1 << 0) /* Software Sleep Status */