[PATCH v1 0/2] PCI: ti: k3: Fix TI J721E PERST# polarity

Francesco Dolcini francesco at dolcini.it
Wed Jul 3 03:00:34 PDT 2024


From: Francesco Dolcini <francesco.dolcini at toradex.com>

Fix PCIe PERST# signal polarity in TI J721E used on TI K3 machines.

PCIe PERST# needs to be de-asserted for PCIe to work, however, the driver is
doing the opposite and the device tree files are defining the signal with the
wrong polarity to cope with that. Fix both the driver and the affected DT
files.

Emanuele Ghidoli (2):
  arm64: dts: ti: Mark PCIe PERST# polarity active low in DT
  PCI: j721e: Fix PERST# polarity

 arch/arm64/boot/dts/ti/k3-am642-evm.dts                  | 2 +-
 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts | 2 +-
 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-sm.dts | 2 +-
 arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts         | 2 +-
 arch/arm64/boot/dts/ti/k3-am69-sk.dts                    | 6 +++---
 arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts    | 2 +-
 arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts       | 2 +-
 arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts    | 6 +++---
 arch/arm64/boot/dts/ti/k3-j721e-sk.dts                   | 4 ++--
 arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts   | 2 +-
 arch/arm64/boot/dts/ti/k3-j722s-evm.dts                  | 2 +-
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts                 | 4 ++--
 drivers/pci/controller/cadence/pci-j721e.c               | 4 ++--
 13 files changed, 20 insertions(+), 20 deletions(-)

-- 
2.39.2




More information about the linux-arm-kernel mailing list