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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-21 10:12:39 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-21 10:12:39 -0400
commitb3f87b98aa3dc22cc58f970140113b270015cddb (patch)
treec4aec5996567ad96310f61e9244e799f41bf2625 /arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
parent041245c88a29273788e8eff1353bc6e1f56c61df (diff)
parent1afeaf5c29aa07db25760d2fbed5c08a3aec3498 (diff)
Merge branch 'bugfixes' into nfs-for-next
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h')
-rw-r--r--arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
index c54cef25895c..cbf51ae81855 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
@@ -17,6 +17,7 @@
*
* bit 23 - Input/Output (PXA2xx specific)
* bit 24 - Wakeup Enable(PXA2xx specific)
+ * bit 25 - Keep Output (PXA2xx specific)
*/
#define MFP_DIR_IN (0x0 << 23)
@@ -25,6 +26,12 @@
#define MFP_DIR(x) (((x) >> 23) & 0x1)
#define MFP_LPM_CAN_WAKEUP (0x1 << 24)
+
+/*
+ * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to
+ * retain their last output level (low or high).
+ * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input.
+ */
#define MFP_LPM_KEEP_OUTPUT (0x1 << 25)
#define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)