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

[William Zhang]

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 at 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