linux-kernel - [PATCH v2 1/2] dt-bindings: net: can: Document transceiver implementation as phy

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Message-ID: <20210415154635.30094-2-a-govindraju@ti.com>
Date:   Thu, 15 Apr 2021 21:16:34 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Rob Herring <robh+dt@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Faiz Abbas <faiz_abbas@...com>,
        Aswath Govindraju <a-govindraju@...com>
Subject: [PATCH v2 1/2] dt-bindings: net: can: Document transceiver implementation as phy

From: Faiz Abbas <faiz_abbas@...com>

Some transceivers need a configuration step (for example, pulling the
standby or enable lines) for them to start sending messages. The
transceiver can be implemented as a phy with the configuration done in the
phy driver. The bit rate limitation can the be obtained by the driver using
the phy node.

Document the above implementation in the bosch mcan bindings

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
 Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
index 798fa5fb7bb2..25f74db46bae 100644
--- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
+++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
@@ -109,6 +109,9 @@ properties:
   can-transceiver:
     $ref: can-transceiver.yaml#
 
+  phys:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.17.1