linux-kernel - [PATCH 1/6] dt-bindings: phy: ti,tcan104x-can: Document NXP TJA1051/1048

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Message-Id: <20250822-can-v1-1-c075f702adea@nxp.com>
Date: Fri, 22 Aug 2025 12:05:28 +0800
From: Peng Fan <peng.fan@....com>
To: Marc Kleine-Budde <mkl@...gutronix.de>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Aswath Govindraju <a-govindraju@...com>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Frank Li <frank.li@....com>, 
 Haibo Chen <haibo.chen@....com>
Cc: linux-can@...r.kernel.org, linux-phy@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH 1/6] dt-bindings: phy: ti,tcan104x-can: Document NXP
 TJA1051/1048

The TJA1051 is a high-speed CAN transceiver which is a pin-compatible
alternative for TI TCAN1043 with Sleep mode supported, and has a compatible
programming model, therefore use ti,tcan1043 as fallback compatible.

The TJA1048 is a dual high-speed CAN transceiver with Sleep mode supported.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 .../devicetree/bindings/phy/ti,tcan104x-can.yaml   | 29 +++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
index 4a8c3829d85d3c4a4963750d03567c1c345beb91..de4ab204ec86f91e84eba8f1a6343ed137e5cd71 100644
--- a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
@@ -19,18 +19,21 @@ properties:
           - enum:
               - microchip,ata6561
           - const: ti,tcan1042
+      - items:
+          - enum:
+              - nxp,tja1051
+          - const: ti,tcan1043
       - enum:
           - ti,tcan1042
           - ti,tcan1043
+          - nxp,tja1048
           - nxp,tjr1443
 
-  '#phy-cells':
-    const: 0
+  '#phy-cells': true
 
   standby-gpios:
     description:
       gpio node to toggle standby signal on transceiver
-    maxItems: 1
 
   enable-gpios:
     description:
@@ -53,6 +56,26 @@ required:
   - compatible
   - '#phy-cells'
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: nxp,tja1048
+
+    then:
+      properties:
+        '#phy-cells':
+          const: 1
+        standby-gpios:
+          maxItems: 2
+    else:
+      properties:
+        '#phy-cells':
+          const: 0
+        standby-gpios:
+          maxItems: 1
+
 additionalProperties: false
 
 examples:

-- 
2.37.1