diff options
| author | Stefan Agner <stefan@agner.ch> | 2018-06-25 00:27:23 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-07-02 10:01:52 +0300 |
| commit | f922bd798bb94e0adcce26ddd811245443173268 (patch) | |
| tree | 6c8f032e953695131e2eb2872b2d6e37fc086ff9 /Documentation/devicetree/bindings | |
| parent | f308d7353d1f5c3ddedc784a367edc72fc51bbaa (diff) | |
| download | linux-f922bd798bb94e0adcce26ddd811245443173268.tar.xz | |
mtd: rawnand: add an option to specify NAND chip as a boot device
Allow to define a NAND chip as a boot device. This can be helpful
for the selection of the ECC algorithm and strength in case the boot
ROM supports only a subset of controller provided options.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/nand.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/nand.txt b/Documentation/devicetree/bindings/mtd/nand.txt index eaef8c657aa5..e949c778e983 100644 --- a/Documentation/devicetree/bindings/mtd/nand.txt +++ b/Documentation/devicetree/bindings/mtd/nand.txt @@ -43,6 +43,10 @@ Optional NAND chip properties: This is particularly useful when only the in-band area is used by the upper layers, and you want to make your NAND as reliable as possible. +- nand-is-boot-medium: Whether the NAND chip is a boot medium. Drivers might use + this information to select ECC algorithms supported by + the boot ROM or similar restrictions. + - nand-rb: shall contain the native Ready/Busy ids. The ECC strength and ECC step size properties define the correction capability |