| Message ID | 20220707134733.2436629-6-dmitry.baryshkov@linaro.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | PCI: dwc: Fix higher MSI vectors handling | expand |
On Thu, Jul 07, 2022 at 04:47:32PM +0300, Dmitry Baryshkov wrote: > On Qualcomm platforms each group of 32 MSI vectors is routed to the > separate GIC interrupt. Document mapping of additional interrupts. > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Reviewed-by: Rob Herring <robh@kernel.org> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
On 7/7/22 16:47, Dmitry Baryshkov wrote: > On Qualcomm platforms each group of 32 MSI vectors is routed to the > separate GIC interrupt. Document mapping of additional interrupts. > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Reviewed-by: Rob Herring <robh@kernel.org> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > --- > .../devicetree/bindings/pci/qcom,pcie.yaml | 51 +++++++++++++++++-- > 1 file changed, 48 insertions(+), 3 deletions Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml index 9b3ebee938e8..a1b4fc70e162 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 + # On newer chipsets support either 1 or 8 msi interrupts + # On older chipsets it's always 1 msi interrupt + - 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: