[PATCH v4 0/2] phy: add basic support for NXPs TJA1145 CAN transceiver

Dimitri Fedrau via B4 Relay devnull+dimitri.fedrau.liebherr.com at kernel.org
Wed Oct 15 00:37:07 PDT 2025


Add basic driver support for NXPs TJA1145 CAN transceiver which brings the
PHY up/down by switching to normal/standby mode using SPI commands.

Signed-off-by: Dimitri Fedrau <dimitri.fedrau at liebherr.com>
---
Changes in v4:
- Change compatible to: nxp,tja1145 (Connor)
- Mark spi-cpha as required (Connor)
- Switch from unevaluatedProperties: false to
  additionalProperties: false (Connor)
- Remove double newline after tja1145_rd_table (Marc)
- Link to v3: https://lore.kernel.org/r/20251013-tja1145-support-v3-0-4a9d245fe067@liebherr.com

Changes in v3:
- bindings: fix SPI bus unit address format error
- bindings: added resolution of discussion into commit msg
- Checked binding with:
  make dt_binding_check DT_SCHEMA_FILES=nxp,tja1145-can.yaml
  Missed it for V2, didn't do it intentionally. Sorry.
- Link to v2: https://lore.kernel.org/r/20250829-tja1145-support-v2-0-60997f328979@liebherr.com

Changes in v2:
- bindings: Change node name in example to can-phy
- bindings: Fix order of properties, reg property is second
- bindings: Change compatible to match filename
- change compatible to nxp,tja1145-can
- Link to v1: https://lore.kernel.org/r/20250728-tja1145-support-v1-0-ebd8494d545c@liebherr.com

---
Dimitri Fedrau (2):
      dt-bindings: phy: add support for NXPs TJA1145 CAN transceiver
      phy: add basic support for NXPs TJA1145 CAN transceiver

 .../devicetree/bindings/phy/nxp,tja1145.yaml       |  80 +++++++++
 drivers/phy/Kconfig                                |  10 ++
 drivers/phy/Makefile                               |   1 +
 drivers/phy/phy-nxp-tja1145.c                      | 184 +++++++++++++++++++++
 4 files changed, 275 insertions(+)
---
base-commit: 920852baf6bdffb2818c0de8ff3437d8f6570dc2
change-id: 20250726-tja1145-support-d6ccdc4d2da3

Best regards,
-- 
Dimitri Fedrau <dimitri.fedrau at liebherr.com>





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