Thread (14 messages) 14 messages, 4 authors, 2026-05-18
COLD30d
Revisions (2)
  1. v1 [diff vs current]
  2. v2 current

[PATCH 0/4 v2] Serdes: s32g: Add support for serdes subsystem

From: Vincent Guittot <vincent.guittot@linaro.org>
Date: 2026-02-03 16:19:20
Also in: linux-arm-kernel, linux-devicetree, linux-phy, lkml

s32g SoC family includes 2 serdes subsystems which are made of one PCIe
controller, 2 XPCS and a shared Phy. The Phy got 2 lanes that can be
configured to output PCIe lanes and/or SGMII.
    
Implement PCIe phy and XPCS support.
    
Change since v1:
- Fix compile_test
- Use devm_reset_control_get_exclusive()
- Fix s32g_serdes_phy_set_mode_ext()
- Manage devm_clk_bulk_get_all() returns 0
- Fix s32g_serdes_parse_lanes() error management
- Move xpcs filein drivers/net/pcs/
- Add pcs_inband_caps()
- Fix functions in phylink_pcs_ops
- Fix MAINTAINERS


Vincent Guittot (4):
  dt-bindings: serdes: s32g: Add NXP serdes subsystem
  phy: s32g: Add serdes subsystem phy
  phy: s32g: Add serdes xpcs subsystem
  MAINTAINERS: Add MAINTAINER for NXP S32G Serdes driver

 .../bindings/phy/nxp,s32g-serdes.yaml         |  154 +++
 MAINTAINERS                                   |   10 +
 drivers/net/pcs/Makefile                      |    1 +
 drivers/net/pcs/pcs-nxp-s32g-xpcs.c           | 1006 +++++++++++++++++
 drivers/phy/freescale/Kconfig                 |   10 +
 drivers/phy/freescale/Makefile                |    1 +
 drivers/phy/freescale/phy-nxp-s32g-serdes.c   |  953 ++++++++++++++++
 include/linux/pcs/pcs-nxp-s32g-xpcs.h         |   50 +
 8 files changed, 2185 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/nxp,s32g-serdes.yaml
 create mode 100644 drivers/net/pcs/pcs-nxp-s32g-xpcs.c
 create mode 100644 drivers/phy/freescale/phy-nxp-s32g-serdes.c
 create mode 100644 include/linux/pcs/pcs-nxp-s32g-xpcs.h

-- 
2.43.0
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