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dt-binding: mtd: physmap: Document the addr-gpios property 

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

Cc: devicetree@vger.kernel.org
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Ricardo Ribalda Delgado 2018-10-19 09:49:06 +02:00 committed by Boris Brezillon
parent 6ca15cfa07
commit 3edf4b9f38
1 changed files with 2 additions and 0 deletions
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Documentation/devicetree/bindings/mtd/mtd-physmap.txt
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@ -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: