[PATCH 2/9] dt-bindings: PCI: qcom: Document the Shikra PCIe Controller

[Sushrut Shree Trivedi]

On 7/1/2026 11:56 AM, Krzysztof Kozlowski wrote:
> On 30/06/2026 21:02, Sushrut Shree Trivedi wrote:
>> Add a dedicated schema for the PCIe controller found on the Shikra
>> platform.
>>
>> Signed-off-by: Sushrut Shree Trivedi <sushrut.trivedi at oss.qualcomm.com>
>> ---
>>   .../devicetree/bindings/pci/qcom,shikra-pcie.yaml  | 211 +++++++++++++++++++++
>>   1 file changed, 211 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/qcom,shikra-pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,shikra-pcie.yaml
>> new file mode 100644
>> index 000000000000..f9d1dba9dd2e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pci/qcom,shikra-pcie.yaml
>> @@ -0,0 +1,211 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/pci/qcom,shikra-pcie.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Shikra PCI Express Root Complex
>> +
>> +maintainers:
>> +  - Bjorn Andersson <andersson at kernel.org>
>> +  - Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
>> +
>> +description:
>> +  Qualcomm Shikra SoC (and compatible) PCIe root complex controller is based on
>> +  the Synopsys DesignWare PCIe IP.
>> +
>> +properties:
>> +  compatible:
>> +    const: qcom,shikra-pcie
>> +
>> +  reg:
>> +    minItems: 5
>> +    maxItems: 6
> Same comments as other recent Qualcomm bindings. Don't invent stuff,
> take what was reviewed from the list so we won't have to repeat.
>
> ...
ACK'd. Will use latest binding patches as reference in v2.
>
>
>> +          power-domains = <&gcc GCC_PCIE_GDSC>;
>> +
>> +          max-link-speed = <2>;
>> +
>> +          operating-points-v2 = <&pcie_opp_table>;
>> +
>> +          status = "disabled";
> Drop, you never tested the binding in such case.
ACK'd.
>
>> +
>> +          pcie_opp_table: opp-table {
>> +                  compatible = "operating-points-v2";
> Broken indent.
ACK'd.
>
>> +
>> +                  /* GEN 1 x1 */
>> +                  opp-2500000 {
>> +                          opp-hz = /bits/ 64 <2500000>;
>> +                          required-opps = <&rpmpd_opp_nom>;
>> +                          opp-peak-kBps = <250000 1>;
>> +                          opp-level = <1>;
>> +                  };
>> +
>> +                  /* GEN 2 x1 */
>> +                  opp-5000000 {
>> +                          opp-hz = /bits/ 64 <5000000>;
>> +                          required-opps = <&rpmpd_opp_nom>;
>> +                          opp-peak-kBps = <500000 1>;
>> +                          opp-level = <2>;
>> +                  };
>> +          };
>> +        };
>> +    };
>>
>
> Best regards,
> Krzysztof
Sushrut