On 28/04/2022 13:59, Dmitry Baryshkov wrote: > On Qualcomm platforms each group of 32 MSI vectors is routed to the > separate GIC interrupt. Document mapping of additional interrupts. > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > .../devicetree/bindings/pci/qcom,pcie.yaml | 51 ++++++++++++++++++- > 1 file changed, 50 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml > index 0b69b12b849e..a8f99bca389e 100644 > --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml > @@ -43,11 +43,20 @@ properties: > maxItems: 5 > > interrupts: > - maxItems: 1 > + minItems: 1 > + maxItems: 8 > > interrupt-names: > + minItems: 1 > items: > - const: msi > + - const: msi2 > + - const: msi3 > + - const: msi4 > + - const: msi5 > + - const: msi6 > + - const: msi7 > + - const: msi8 > > # Common definitions for clocks, clock-names and reset. > # Platform constraints are described later. > @@ -623,6 +632,46 @@ 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: > + compatibles: > + 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: > + minItems: 1 minItems should not be needed here and in places below, because it is equal to maxItems. > + maxItems: 1 > + interrupt-names: > + minItems: 1 > + maxItems: 1 > + - properties: > + interrupts: > + minItems: 8 > + maxItems: 8 > + interrupt-names: > + minItems: 8 > + maxItems: 8 > + else: > + properties: > + interrupts: > + minItems: 1 > + maxItems: 1 > + interrupt-names: > + minItems: 1 > + maxItems: 1 > + > unevaluatedProperties: false > > examples: Best regards, Krzysztof
