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| author | Boris Brezillon <boris.brezillon@collabora.com> | 2020-05-20 01:24:52 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-06-26 08:35:03 +0200 |
| commit | ba9f316986502471b160470e5e27a5e5a2ccadaf (patch) | |
| tree | 1d3cfa78fed2e00ad5a0141dd03f327173779124 | |
| parent | 90d6bf481a5d0c32112925f3ecc640b9145f77d8 (diff) | |
dt-bindings: mtd: nand: Document the generic rb-gpios property
A few drivers use this property to describe GPIO pins used to sample
the NAND Ready/Busy state. Let's make it part of the generic binding
doc.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200519232454.374081-2-boris.brezillon@collabora.com
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/nand-controller.yaml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml index cde7c4d79efe..40fc5b0b2b8c 100644 --- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml +++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml @@ -114,6 +114,13 @@ patternProperties: description: Contains the native Ready/Busy IDs. + rb-gpios: + description: + Contains one or more GPIO descriptor (the numper of descriptor + depends on the number of R/B pins exposed by the flash) for the + Ready/Busy pins. Active state refers to the NAND ready state and + should be set to GPIOD_ACTIVE_HIGH unless the signal is inverted. + required: - reg |