mtd: docg3: add suspend and resume

Add functions to powerdown and powerup from suspend, in
order to save power.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: Ivan Djelic <ivan.djelic@parrot.com>
Reviewed-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h
index 33db7272c460..cd70b181f797 100644
--- a/drivers/mtd/devices/docg3.h
+++ b/drivers/mtd/devices/docg3.h
@@ -127,6 +127,7 @@
 
 #define DOC_ASICMODECONFIRM             0x1072
 #define DOC_CHIPID_INV                  0x1074
+#define DOC_POWERMODE                   0x107c
 
 /*
  * Flash sequences
@@ -239,6 +240,11 @@
 #define DOC_READADDR_ADDR_MASK          0x1fff
 
 /*
+ * Flash register : DOC_POWERMODE
+ */
+#define DOC_POWERDOWN_READY             0x80
+
+/*
  * Status of erase and write operation
  */
 #define DOC_PLANES_STATUS_FAIL          0x01