Commit 9d3d5e75 authored by Mrinmay Sarkar's avatar Mrinmay Sarkar Committed by Bjorn Helgaas
Browse files

dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC 

Add devicetree bindings support for SA8775P SoC. It has DMA register
space and dma interrupt to support HDMA.

Link: https://lore.kernel.org/linux-pci/1714492540-15419-2-git-send-email-quic_msarkar@quicinc.com


Signed-off-by: default avatarMrinmay Sarkar <quic_msarkar@quicinc.com>
Signed-off-by: default avatarKrzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent 652935ba

Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml

+62 −2
Original line number Diff line number Diff line
@@ -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



  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



  reset-gpios:

    description: GPIO used as PERST# input signal
@@ -125,6 +134,10 @@ allOf: 
              - qcom,sdx55-pcie-ep

    then:

      properties:

        reg:

          maxItems: 6

        reg-names:

          maxItems: 6

        clocks:

          items:

            - description: PCIe Auxiliary clock
@@ -143,6 +156,10 @@ allOf: 
            - const: slave_q2a

            - const: sleep

            - const: ref

        interrupts:

          maxItems: 2

        interrupt-names:

          maxItems: 2



  - if:

      properties:
@@ -152,6 +169,10 @@ allOf: 
              - qcom,sm8450-pcie-ep

    then:

      properties:

        reg:

          maxItems: 6

        reg-names:

          maxItems: 6

        clocks:

          items:

            - description: PCIe Auxiliary clock
@@ -172,6 +193,45 @@ allOf: 
            - const: ref

            - const: ddrss_sf_tbu

            - const: aggre_noc_axi

        interrupts:

          maxItems: 2

        interrupt-names:

          maxItems: 2



  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,sa8775p-pcie-ep

    then:

      properties:

        reg:

          minItems: 7

          maxItems: 7

        reg-names:

          minItems: 7

          maxItems: 7

        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

          maxItems: 3

        interrupt-names:

          minItems: 3

          maxItems: 3



unevaluatedProperties: false