linux-kernel - [PATCH RFC v3 2/4] dt-bindings: phy: ti,tcan104x-can: Document mux-controls property

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Message-ID: <20211123081222.27979-3-a-govindraju@ti.com>
Date:   Tue, 23 Nov 2021 13:42:19 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     Vignesh Raghavendra <vigneshr@...com>, Nishanth Menon <nm@...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 v3 2/4] dt-bindings: phy: ti,tcan104x-can: Document mux-controls property

On some boards, for routing CAN signals from controller to transceivers,
muxes might need to be set. Use mux-controls property can be used for model
this.

Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
 .../devicetree/bindings/phy/ti,tcan104x-can.yaml          | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
index 6107880e5246..7392088cf060 100644
--- a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
@@ -37,6 +37,13 @@ properties:
       max bit rate supported in bps
     minimum: 1
 
+  mux-controls:
+    description:
+      mux controller node to route the signals from controller to
+      transceiver. The first and second arguments can be used
+      representing the line in the mux-controller to control and
+      the state to be set in the given line respectively.
+
 required:
   - compatible
   - '#phy-cells'
@@ -53,4 +60,5 @@ examples:
       max-bitrate = <5000000>;
       standby-gpios = <&wakeup_gpio1 16 GPIO_ACTIVE_LOW>;
       enable-gpios = <&main_gpio1 67 GPIO_ACTIVE_HIGH>;
+      mux-controls = <&mux0 0 1>;
     };
-- 
2.17.1