[PATCH v4 02/12] dt-bindings: mtd: brcmnand: Add WP pin connection property

William Zhang
2024-02-03T00:29:20Z

Add brcm,wp-not-connected property to have an option for disabling this
feature on broadband board design that does not connect WP pin.

Signed-off-by: William Zhang <william.zhang@broadcom.com>

---

Changes in v4:
- Move the WP pin property to this separate patch and change it to
boolean type.

Changes in v3: None
Changes in v2: None

Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml
index e54ca08a798a..d0168d55c73e 100644
--- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml
+++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml
@@ -113,6 +113,14 @@ properties:
earlier versions of this core that include WP
type: boolean

+ brcm,wp-not-connected:
+ description:
+ Use this property when board design does not connect controller's
+ NAND_WPb pin to NAND chip's WP_L pin and disable the write
+ protection feature. By default, controller assumes the pin is
+ connected and feature is used.
+ $ref: /schemas/types.yaml#/definitions/flag
+
patternProperties:
"^nand@[a-f0-9]$":
type: object
--
2.37.3