[PATCH v1 0/2] dt-bindings: CAN: MCP251XFD GPIO hog support and QCS6490 CAN enablement

From: Viken Dadhaniya
Date: Thu Jan 08 2026 - 08:05:36 EST


This series introduces two changes:

1. Extend the MCP251XFD binding to allow GPIO hog child nodes. The
MCP251XFD family can expose two pins as GPIOs. The binding already
declares 'gpio-controller' and '#gpio-cells'. Adding a
'patternProperties' entry permits boards to define hog nodes for default
GPIO states at boot, which aligns with other GPIO controller bindings
(e.g., microchip,mpfs-gpio).

2. Enable the MCP2518FD CAN controller on the QCS6490 RB3 Gen2 platform.
The controller is connected via SPI3 and uses a 40 MHz oscillator.
A GPIO hog for GPIO0 is included to configure the CAN transceiver in
Normal mode during boot.

Viken Dadhaniya (2):
dt-bindings: can: microchip,mcp251xfd: allow gpio-hog child nodes
arm64: dts: qcom: qcs6490-rb3gen2: Enable CAN bus controller

.../bindings/net/can/microchip,mcp251xfd.yaml | 6 ++++
arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 30 +++++++++++++++++++
2 files changed, 36 insertions(+)

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2.34.1