[PATCH v2 13/15] dt-binding: mtd: physmap: Document the addr-gpios property

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

From: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>

Add documentation for the addr-gpios. This extension to the physmap
binding allow creating flash devices that are paged using GPIOs.

Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
---
Changes in v2:
- Drop Rob's R-b (waiting for a second review)
---
 Documentation/devicetree/bindings/mtd/mtd-physmap.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
index 232fa12e90ef..7df0dcaccb7d 100644
--- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
+++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
@@ -29,6 +29,8 @@ file systems on embedded devices.
  - use-advanced-sector-protection: boolean to enable support for the
    advanced sector protection (Spansion: PPB - Persistent Protection
    Bits) locking.
+ - addr-gpios : (optional) List of GPIO descriptors that will be used to
+   address the MSBs address lines. The order goes from LSB to MSB.
 
 For JEDEC compatible devices, the following additional properties
 are defined:
-- 
2.14.1


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