[ARM] pxa: add MFP_LPM_KEEP_OUTPUT flag to pin config
Some pins are expected to keep their last level during suspend, and
introduce MFP_LPM_KEEP_OUTPUT for this.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
index 658b28e..c54cef2 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
@@ -25,6 +25,8 @@
#define MFP_DIR(x) (((x) >> 23) & 0x1)
#define MFP_LPM_CAN_WAKEUP (0x1 << 24)
+#define MFP_LPM_KEEP_OUTPUT (0x1 << 25)
+
#define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)
#define WAKEUP_ON_EDGE_FALL (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_FALL)
#define WAKEUP_ON_EDGE_BOTH (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_BOTH)