linux-kernel - [PATCH RFC v2 1/4] dt-bindings: mux: Increase the number of arguments in mux-controls

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Date:   Mon, 22 Nov 2021 18:26:21 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Aswath Govindraju <a-govindraju@...com>,
        Peter Rosin <peda@...ntia.se>,
        Rob Herring <robh+dt@...nel.org>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-can@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>
Subject: [PATCH RFC v2 1/4] dt-bindings: mux: Increase the number of arguments in mux-controls

Increase the allowed number of arguments in mux-controls to add support for
passing information regarding the state of the mux to be set, for a given
device.

Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
 Documentation/devicetree/bindings/mux/gpio-mux.yaml       | 2 +-
 Documentation/devicetree/bindings/mux/mux-controller.yaml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mux/gpio-mux.yaml b/Documentation/devicetree/bindings/mux/gpio-mux.yaml
index 0a7c8d64981a..c810b7df39de 100644
--- a/Documentation/devicetree/bindings/mux/gpio-mux.yaml
+++ b/Documentation/devicetree/bindings/mux/gpio-mux.yaml
@@ -26,7 +26,7 @@ properties:
       List of gpios used to control the multiplexer, least significant bit first.
 
   '#mux-control-cells':
-    const: 0
+    enum: [ 0, 1, 2 ]
 
   idle-state:
     default: -1
diff --git a/Documentation/devicetree/bindings/mux/mux-controller.yaml b/Documentation/devicetree/bindings/mux/mux-controller.yaml
index 736a84c3b6a5..0b4b067a97bf 100644
--- a/Documentation/devicetree/bindings/mux/mux-controller.yaml
+++ b/Documentation/devicetree/bindings/mux/mux-controller.yaml
@@ -73,7 +73,7 @@ properties:
     pattern: '^mux-controller(@.*|-[0-9a-f]+)?$'
 
   '#mux-control-cells':
-    enum: [ 0, 1 ]
+    enum: [ 0, 1, 2 ]
 
   idle-state:
     $ref: /schemas/types.yaml#/definitions/int32
-- 
2.17.1