Messages in this thread Patch in this message | | | From | Christophe Kerello <> | Subject | [PATCH v3 1/4] dt-binding: mtd: nand: Document the wp-gpios property | Date | Thu, 17 Feb 2022 15:47:52 +0100 |
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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> --- Changes in v2: - add Rob Acked-by.
Documentation/devicetree/bindings/mtd/nand-controller.yaml | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml index bd217e6f5018..53b21aed0ac5 100644 --- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml +++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml @@ -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: -- 2.25.1
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