[PATCH v5 0/4] pci: qcom: drop unrelated clock and add link_down reset for sa8775p

[Ziyue Zhang]

This series drop gcc_aux_clock in pcie phy, the pcie aux clock should 
be gcc_phy_aux_clock. And sa8775p platform support link_down reset in
hardware, so add it for both pcie0 and pcie1 to provide a better user
experience.

Have follwing changes:
  - Update pcie phy bindings for sa8775p.
  - Document link_down reset.
  - Remove aux clock from pcie phy.
  - Add link_down reset for pcie.

Signed-off-by: Ziyue Zhang <quic_ziyuzhan at quicinc.com>

Changes in v5:
- Update phy bindings(Johan)
- Link to v4: https://lore.kernel.org/all/20250718071207.160988-1-ziyue.zhang@oss.qualcomm.com/

Changes in v4:
- Update phy bindings, and commit msg(Johan)
- Add ABI break commit msg
- Link to v3: https://lore.kernel.org/linux-arm-msm/20250625090048.624399-1-quic_ziyuzhan@quicinc.com/

Changes in v3:
- Update phy bindings, remove phy_aux clock (Johan)
- Update DT binding's description (Johan)
- Link to v2: https://lore.kernel.org/all/20250617021617.2793902-1-quic_ziyuzhan@quicinc.com/

Changes in v2:
- Change link_down reset from optional to mandatory(Konrad)
- Link to v1: https://lore.kernel.org/all/20250529035416.4159963-1-quic_ziyuzhan@quicinc.com/

Ziyue Zhang (4):
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings
  dt-bindings: PCI: qcom,pcie-sa8775p: document link_down reset
  arm64: dts: qcom: sa8775p: remove aux clock from pcie phy
  arm64: dts: qcom: sa8775p: add link_down reset for pcie

 .../bindings/pci/qcom,pcie-sa8775p.yaml       | 11 +++--
 .../phy/qcom,sc8280xp-qmp-pcie-phy.yaml       |  4 +-
 arch/arm64/boot/dts/qcom/sa8775p.dtsi         | 42 ++++++++++++-------
 3 files changed, 36 insertions(+), 21 deletions(-)


base-commit: 024e09e444bd2b06aee9d1f3fe7b313c7a2df1bb
-- 
2.34.1