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dt-binding: mtd: nand: Document the wp-gpios property

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A few drivers use this property to describe the GPIO pin used to protect
the NAND during program/erase operations.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220217144755.270679-2-christophe.kerello@foss.st.com
This commit is contained in:
Christophe Kerello 2022-02-17 15:47:52 +01:00 committed by Miquel Raynal
parent a1fe2ace2c
commit cb57fae479
1 changed files with 7 additions and 0 deletions
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Documentation/devicetree/bindings/mtd/nand-controller.yaml
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@ -154,6 +154,13 @@ patternProperties:
Ready/Busy pins. Active state refers to the NAND ready state and
should be set to GPIOD_ACTIVE_HIGH unless the signal is inverted.
wp-gpios:
description:
Contains one GPIO descriptor for the Write Protect pin.
Active state refers to the NAND Write Protect state and should be
set to GPIOD_ACTIVE_LOW unless the signal is inverted.
maxItems: 1
secure-regions:
$ref: /schemas/types.yaml#/definitions/uint64-matrix
description: