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[v5,1/4] dt-bindings: mtd: raw-nand-chip: Relax node name pattern

Message ID 20250412-ppcyaml-elbc-v5-1-03f0e577139f@posteo.net
State New
Headers show
Series Freescale Enhanced Local Bus Controller (eLBC) binding YAML conversion | expand

Commit Message

J. Neuschäfer via B4 Relay April 12, 2025, 1:16 p.m. UTC 
From: "J. Neuschäfer" <j.ne@posteo.net>

In some scenarios, such as under the Freescale eLBC bus, there are raw
NAND chips with a unit address that has a comma in it (cs,offset).
For reasons of compatibility with historical device trees and
readability of the unit addresses, this format is kept.

Relax the $nodename pattern in raw-nand-chip.yaml to allow such unit
addresses. Unfortunately $nonenames defined in bindings that reference
raw-nand

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
---

V5:
- Add Rob's review tag

V4:
- reintroduce patch to silence dtc validation error, after discussion
  with Rob Herring and Miquèl Raynal
- add some more detail to the commit message
- remove unit address format rather than extending it
  (old pattern: "^nand@[a-f0-9](,[0-9a-f]*)?$")

V3:
- remove patch after discussion with Miquèl Raynal

V2:
- new patch
---
 Documentation/devicetree/bindings/mtd/raw-nand-chip.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/mtd/raw-nand-chip.yaml b/Documentation/devicetree/bindings/mtd/raw-nand-chip.yaml
index 092448d7bfc5ccd246ca4b2341464e18722a2d51..d655f6673fc31b1d9ee7cd734cbe1d310f88090b 100644
--- a/Documentation/devicetree/bindings/mtd/raw-nand-chip.yaml
+++ b/Documentation/devicetree/bindings/mtd/raw-nand-chip.yaml
@@ -25,7 +25,7 @@  description: |
 
 properties:
   $nodename:
-    pattern: "^nand@[a-f0-9]$"
+    pattern: "^nand@"
 
   reg:
     description: