[v8,1/5] 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.

Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../devicetree/bindings/pci/qcom,pcie-ep.yaml      | 64 +++++++++++++++++++++-
 1 file changed, 62 insertions(+), 2 deletions(-)

On Sat, Nov 11, 2023 at 08:02:57AM +0530, 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>

Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  .../devicetree/bindings/pci/qcom,pcie-ep.yaml      | 64 +++++++++++++++++++++-
>  1 file changed, 62 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..46802f7 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
>  
>    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
>  
> -- 
> 2.7.4
>