From cb57fae479be41d1233f5a49d4760de9a5692b6e Mon Sep 17 00:00:00 2001 From: Christophe Kerello Date: Thu, 17 Feb 2022 15:47:52 +0100 Subject: [PATCH] dt-binding: mtd: nand: Document the wp-gpios property 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 Acked-by: Rob Herring Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20220217144755.270679-2-christophe.kerello@foss.st.com --- 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: