linux-kernel - [PATCH v4 01/22] dt-bindings: mux: Remove nodename pattern constraints

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Message-ID: <cb7c28ccf3a1b136e793b48720f816de7d5f75b2.1763737324.git.tommaso.merciai.xr@bp.renesas.com>
Date: Fri, 21 Nov 2025 16:11:50 +0100
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: tomm.merciai@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	biju.das.jz@...renesas.com,
	Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
	Peter Rosin <peda@...ntia.se>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Uwe Kleine-König <ukleinek@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org
Subject: [PATCH v4 01/22] dt-bindings: mux: Remove nodename pattern constraints

The nodename pattern in  created an unnecessary restriction that forced
all mux nodes to be named with the 'mux-controller' prefix.
This prevented valid use cases where mux functionality is part of other
hardware blocks that should use more specific naming conventions.

Remove the $nodename pattern constraints from both the 'select' keyword
and the properties section of the mux-controller schema.

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
---
v3->v4:
 - New patch.

 Documentation/devicetree/bindings/mux/mux-controller.yaml | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/mux/mux-controller.yaml b/Documentation/devicetree/bindings/mux/mux-controller.yaml
index 78340bbe4df6..6defb9da10f7 100644
--- a/Documentation/devicetree/bindings/mux/mux-controller.yaml
+++ b/Documentation/devicetree/bindings/mux/mux-controller.yaml
@@ -63,18 +63,12 @@ description: |
 
 select:
   anyOf:
-    - properties:
-        $nodename:
-          pattern: '^mux-controller'
     - required:
         - '#mux-control-cells'
     - required:
         - '#mux-state-cells'
 
 properties:
-  $nodename:
-    pattern: '^mux-controller(@.*|-([0-9]|[1-9][0-9]+))?$'
-
   '#mux-control-cells':
     enum: [ 0, 1 ]
 
-- 
2.43.0