diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2022-07-07 16:47:32 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-08-01 15:15:33 -0500 |
| commit | 91a773f9986b5cb4d6a6610b0326ef7c472dd543 (patch) | |
| tree | 63ba1b05bdbc1688b09efbf6a20dee598817ff92 /Documentation/devicetree/bindings/pci/qcom,pcie.yaml | |
| parent | cd761378e62c2614a3e7a1a8e4ecf68503a2c877 (diff) | |
dt-bindings: PCI: qcom: Support additional MSI vectors
On Qualcomm platforms each group of 32 MSI vectors is routed to the
separate GIC interrupt. Document mapping of additional interrupts.
Link: https://lore.kernel.org/r/20220707134733.2436629-6-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pci/qcom,pcie.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml index 0b69b12b849e..6b1b2cff110b 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml @@ -43,11 +43,12 @@ properties: maxItems: 5 interrupts: - maxItems: 1 + minItems: 1 + maxItems: 8 interrupt-names: - items: - - const: msi + minItems: 1 + maxItems: 8 # Common definitions for clocks, clock-names and reset. # Platform constraints are described later. @@ -623,6 +624,50 @@ allOf: - resets - reset-names + # Newer chipsets support either 1 or 8 MSI vectors + # On older chipsets it's always 1 MSI vector + - if: + properties: + compatible: + contains: + enum: + - qcom,pcie-msm8996 + - qcom,pcie-sc7280 + - qcom,pcie-sc8180x + - qcom,pcie-sdm845 + - qcom,pcie-sm8150 + - qcom,pcie-sm8250 + - qcom,pcie-sm8450-pcie0 + - qcom,pcie-sm8450-pcie1 + then: + oneOf: + - properties: + interrupts: + maxItems: 1 + interrupt-names: + items: + - const: msi + - properties: + interrupts: + minItems: 8 + interrupt-names: + items: + - const: msi0 + - const: msi1 + - const: msi2 + - const: msi3 + - const: msi4 + - const: msi5 + - const: msi6 + - const: msi7 + else: + properties: + interrupts: + maxItems: 1 + interrupt-names: + items: + - const: msi + unevaluatedProperties: false examples: |