[PATCH 08/10] mtd: st_spi_fsm: Provide documentation for boot device mask property

[Lee Jones]

The system configuration registers which display which device the system
booted on are in the same place on all boards which support the FSM.
However, the bits do shift every so slightly.  To combat these we're
adding a new property which supplies the necessary mask used to abstract
the required information.

Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/mtd/st-fsm.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/st-fsm.txt b/Documentation/devicetree/bindings/mtd/st-fsm.txt
index c248939..0523fd4 100644
--- a/Documentation/devicetree/bindings/mtd/st-fsm.txt
+++ b/Documentation/devicetree/bindings/mtd/st-fsm.txt
@@ -11,6 +11,8 @@ Optional properties:
   - st,syscfg          : Phandle to boot-device system configuration registers
   - st,boot-device-reg : Address of the aforementioned boot-device register(s)
   - st,boot-device-spi : Expected boot-device value if booted via this device
+  - st,boot-device-msk : Mask to use when extracting boot device from the
+			 above system config registers
 
 Example:
 	spifsm: spifsm@fe902000{
-- 
1.8.3.2

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