Messages in this thread | | | Date | Thu, 19 Oct 2023 14:48:17 +0200 | Subject | Re: [PATCH v3 1/5] dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC | From | Krzysztof Kozlowski <> |
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On 19/10/2023 13:37, Mrinmay Sarkar wrote: > Add devicetree bindings support for SA8775P SoC. It has DMA register > space and dma interrupt to support HDMA. > > Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> > --- > .../devicetree/bindings/pci/qcom,pcie-ep.yaml | 44 +++++++++++++++++++++- > 1 file changed, 42 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml > index a223ce0..7485248 100644 > --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml > @@ -13,6 +13,7 @@ properties: > compatible: > oneOf: > - enum: > + - qcom,sa8775p-pcie-ep > - qcom,sdx55-pcie-ep > - qcom,sm8450-pcie-ep > - items: > @@ -20,6 +21,7 @@ properties: > - const: qcom,sdx55-pcie-ep > > reg: > + minItems: 6 > items: > - description: Qualcomm-specific PARF configuration registers > - description: DesignWare PCIe registers > @@ -27,8 +29,10 @@ properties: > - description: Address Translation Unit (ATU) registers > - description: Memory region used to map remote RC address space > - description: BAR memory region > + - description: DMA register space
You need to constrain IO space in all other variants.
> > reg-names: > + minItems: 6 > items: > - const: parf > - const: dbi > @@ -36,13 +40,14 @@ properties: > - const: atu > - const: addr_space > - const: mmio > + - const: dma > > clocks: > - minItems: 7 > + minItems: 5 > maxItems: 8 > > clock-names: > - minItems: 7 > + minItems: 5 > maxItems: 8 > > qcom,perst-regs: > @@ -57,14 +62,18 @@ properties: > - description: Perst separation enable offset > > interrupts: > + minItems: 2 > items: > - description: PCIe Global interrupt > - description: PCIe Doorbell interrupt > + - description: DMA interrupt > > interrupt-names: > + minItems: 2 > items: > - const: global > - const: doorbell > + - const: dma
You need to constrain interrupts in all other variants.
> > reset-gpios: > description: GPIO used as PERST# input signal > @@ -173,6 +182,37 @@ allOf: > - const: ddrss_sf_tbu > - const: aggre_noc_axi > > + - if: > + properties: > + compatible: > + contains: > + enum: > + - qcom,sa8775p-pcie-ep > + then: > + properties: > + reg: > + minItems: 7
As well: maxItems: 7 Otherwise any future update will for sure miss this and relax the reg.
> + reg-names: > + minItems: 7
Ditto
> + clocks: > + items: > + - description: PCIe Auxiliary clock > + - description: PCIe CFG AHB clock > + - description: PCIe Master AXI clock > + - description: PCIe Slave AXI clock > + - description: PCIe Slave Q2A AXI clock > + clock-names: > + items: > + - const: aux > + - const: cfg > + - const: bus_master > + - const: bus_slave > + - const: slave_q2a > + interrupts: > + minItems: 3
Ditto
> + interrupt-names: > + minItems: 3
Ditto
> + > unevaluatedProperties: false > > examples:
Best regards, Krzysztof
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