linux-kernel - [PATCH 00/23] arm64: dts: qcom: Add 'global' IRQ to supported SoCs

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Message-Id: <20250227-pcie-global-irq-v1-0-2b70a7819d1e@linaro.org>
Date: Thu, 27 Feb 2025 19:10:42 +0530
From: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.linaro.org@...nel.org>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, cros-qcom-dts-watchers@...omium.org
Cc: linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 00/23] arm64: dts: qcom: Add 'global' IRQ to supported SoCs

Hi,

This series adds the Qualcomm specific 'global' IRQ to the supported SoCs.
This IRQ is used to receive the PCIe controller and link specific events
such as Link Up/Down, MSI, PTM etc... in the driver. Support for this IRQ
was already added to the pcie-qcom driver. So enabling this IRQ would allow
the driver to enumerate the endpoint device and also retrain the link when
the device is removed [1] without user intervention.

This series also adds missing MSI SPI IRQ to some of the SoCs.

Testing
=======

This series was tested on Qualcomm RB5 board based on SM8250 SoC and
Qualcomm Ride MX board based on SA8775p SoC.

NOTE
====

I've left a few SoCs in the tree like QCS404, SC8280XP due to lack of
documentation. Those will be added later.

[1] https://lore.kernel.org/linux-pci/20250221172309.120009-1-manivannan.sadhasivam@linaro.org/

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
Manivannan Sadhasivam (23):
      dt-bindings: PCI: qcom,pcie-sm8150: Add 'global' interrupt
      arm64: dts: qcom: sm8150: Add 'global' PCIe interrupt
      dt-bindings: PCI: qcom,pcie-sm8250: Add 'global' interrupt
      arm64: dts: qcom: sm8250: Add 'global' PCIe interrupt
      dt-bindings: PCI: qcom,pcie-sm8350: Add 'global' interrupt
      arm64: dts: qcom: sm8350: Add 'global' PCIe interrupt
      dt-bindings: PCI: qcom,pcie-sa8775p: Add 'global' interrupt
      arm64: dts: qcom: sa8775p: Add 'global' PCIe interrupt
      dt-bindings: PCI: qcom,pcie-sc7280: Add 'global' interrupt
      arm64: dts: qcom: sc7280: Add 'global' PCIe interrupt
      dt-bindings: PCI: qcom: Add 'global' interrupt for SDM845 SoC
      arm64: dts: qcom: sdm845: Add missing MSI and 'global' IRQs
      arm64: dts: qcom: msm8996: Add missing MSI SPI interrupts
      dt-bindings: PCI: qcom: Allow MSM8998 to use 8 MSI and one 'global' interrupt
      arm64: dts: qcom: msm8998: Add missing MSI and 'global' IRQs
      dt-bindings: PCI: qcom: Allow IPQ8074 to use 8 MSI and one 'global' interrupt
      arm64: dts: qcom: ipq8074: Add missing MSI and 'global' IRQs
      dt-bindings: PCI: qcom: Allow IPQ6018 to use 8 MSI and one 'global' interrupt
      arm64: dts: qcom: ipq6018: Add missing MSI and 'global' IRQs
      dt-bindings: PCI: qcom,pcie-sc8180x: Add 'global' interrupt
      arm64: dts: qcom: sc8180x: Add 'global' PCIe interrupt
      arm64: dts: qcom: sar2130p: Add 'global' PCIe interrupt
      arm64: dts: qcom: x1e80100: Add missing 'global' PCIe interrupt

 .../devicetree/bindings/pci/qcom,pcie-sa8775p.yaml | 10 ++--
 .../devicetree/bindings/pci/qcom,pcie-sc7280.yaml  |  9 ++--
 .../devicetree/bindings/pci/qcom,pcie-sc8180x.yaml | 10 ++--
 .../devicetree/bindings/pci/qcom,pcie-sm8150.yaml  |  9 ++--
 .../devicetree/bindings/pci/qcom,pcie-sm8250.yaml  |  9 ++--
 .../devicetree/bindings/pci/qcom,pcie-sm8350.yaml  |  9 ++--
 .../devicetree/bindings/pci/qcom,pcie.yaml         | 14 ++++--
 arch/arm64/boot/dts/qcom/ipq6018.dtsi              | 20 +++++++-
 arch/arm64/boot/dts/qcom/ipq8074.dtsi              | 40 ++++++++++++++--
 arch/arm64/boot/dts/qcom/msm8996.dtsi              | 54 +++++++++++++++++++---
 arch/arm64/boot/dts/qcom/msm8998.dtsi              | 20 +++++++-
 arch/arm64/boot/dts/qcom/sa8775p.dtsi              | 28 ++++++++---
 arch/arm64/boot/dts/qcom/sar2130p.dtsi             | 12 +++--
 arch/arm64/boot/dts/qcom/sc7280.dtsi               | 14 ++++--
 arch/arm64/boot/dts/qcom/sc8180x.dtsi              | 24 ++++++----
 arch/arm64/boot/dts/qcom/sdm845.dtsi               | 40 ++++++++++++++--
 arch/arm64/boot/dts/qcom/sm8150.dtsi               | 12 +++--
 arch/arm64/boot/dts/qcom/sm8250.dtsi               | 18 +++++---
 arch/arm64/boot/dts/qcom/sm8350.dtsi               | 12 +++--
 arch/arm64/boot/dts/qcom/x1e80100.dtsi             | 18 +++++---
 20 files changed, 300 insertions(+), 82 deletions(-)
---
base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b
change-id: 20250227-pcie-global-irq-dd1cd5688d71

Best regards,
-- 
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>