Re: [PATCH v3 1/3] dt-bindings: PCI: qcom: ep: Add interconnects path

[Konrad Dybcio]

On 9.06.2023 13:47, Krishna chaitanya chundru wrote:
> Some platforms may not boot if a device driver doesn't initialize
> the interconnect path. Mostly it is handled by the bootloader but
> we have starting to see cases where bootloader simply ignores them.
> 
> Add the "pcie-mem" interconnect path as a required property to the
> bindings.
> 
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
> ---
Hi, only patches 1 and 2 made it to both me and linux-arm-msm.

Consider using b4 (https://b4.docs.kernel.org/en/latest/index.html) to
avoid this.

>  Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index b3c22eb..656e362 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -70,6 +70,13 @@ properties:
>      description: GPIO used as WAKE# output signal
>      maxItems: 1
>  
> +  interconnects:
> +    maxItems: 1
> +
> +  interconnect-names:
> +    items:
> +      - const: pcie-mem
> +
>    resets:
>      maxItems: 1
>  
> @@ -97,6 +104,8 @@ required:
>    - interrupts
>    - interrupt-names
>    - reset-gpios
> +  - interconnects
> +  - interconnect-names
>    - resets
>    - reset-names
>    - power-domains
> @@ -194,6 +203,8 @@ examples:
>          interrupt-names = "global", "doorbell";
>          reset-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
>          wake-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
> +	interconnects = <&system_noc MASTER_PCIE_0 &mc_virt SLAVE_EBI1>;
> +	interconnect-names = "pci-mem";
The indentation is off and my brain compiler says that it will not compile
without including some headers.

Konrad
>          resets = <&gcc GCC_PCIE_BCR>;
>          reset-names = "core";
>          power-domains = <&gcc PCIE_GDSC>;