[PATCH 1/2] dt-bindings: phy: add support for NXPs TJA1145 CAN transceiver
From: Dimitri Fedrau via B4 Relay <devnull+dimitri.fedrau.liebherr.com@kernel.org>
Date: 2025-07-28 15:39:38
Also in:
b4-sent, linux-phy, lkml
Subsystem:
generic phy framework, open firmware and flattened device tree bindings, the rest · Maintainers:
Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Dimitri Fedrau <redacted> Adding documentation for NXPs TJA1145 CAN transceiver. Signed-off-by: Dimitri Fedrau <redacted> --- .../devicetree/bindings/phy/nxp,tja1145-can.yaml | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/nxp,tja1145-can.yaml b/Documentation/devicetree/bindings/phy/nxp,tja1145-can.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..10bf2bce1b35788b3284c42e544a56eda6d79947
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/nxp,tja1145-can.yaml@@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/nxp,tja1145-can.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TJA1145 CAN transceiver + +maintainers: + - Dimitri Fedrau <dimitri.fedrau@liebherr.com> + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: nxp,tja1145 + + "#phy-cells": + const: 0 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 4000000 + + spi-cpha: true + + spi-cs-setup-delay-ns: + minimum: 50 + default: 50 + + spi-cs-hold-delay-ns: + minimum: 50 + default: 50 + + spi-cs-inactive-delay-ns: + minimum: 250 + default: 250 + + vcc-supply: + description: + CAN transceiver supply voltage + + vio-supply: + description: + Supply voltage for I/O level adaptor + + vbat-supply: + description: + Battery supply voltage + +required: + - compatible + - "#phy-cells" + - reg + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + canphy@0 { + compatible = "nxp,tja1145"; + #phy-cells = <0>; + reg = <0>; + spi-max-frequency = <4000000>; + spi-cpha; + spi-cs-setup-delay-ns = <50>; + spi-cs-hold-delay-ns = <50>; + spi-cs-inactive-delay-ns = <250>; + vcc-supply = <®_5v0>; + vio-supply = <®_3v3>; + vbat-supply = <®_24v0>; + }; + };
--
2.39.5