linux-kernel - Re: [PATCH] dt-bindings: PCI: qcom: Allow 'vddpe-3v3-supply' again

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Message-ID: <20240822094243.b7crebodnbb542te@thinkpad>
Date: Thu, 22 Aug 2024 15:12:43 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Johan Hovold <johan+linaro@...nel.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Abel Vesa <abel.vesa@...aro.org>, linux-arm-msm@...r.kernel.org,
	linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: PCI: qcom: Allow 'vddpe-3v3-supply' again

On Tue, Jul 23, 2024 at 05:13:28PM +0200, Johan Hovold wrote:
> Commit 756485bfbb85 ("dt-bindings: PCI: qcom,pcie-sc7280: Move SC7280 to
> dedicated schema") incorrectly removed 'vddpe-3v3-supply' from the
> bindings, which results in DT checker warnings like:
> 
> 	arch/arm64/boot/dts/qcom/msm8996-sony-xperia-tone-dora.dtb: pcie@...000: Unevaluated properties are not allowed ('vddpe-3v3-supply' was unexpected)
>         from schema $id: http://devicetree.org/schemas/pci/qcom,pcie.yaml#
> 
> Note that this property has been part of the Qualcomm PCIe bindings
> since 2018 and would need to be deprecated rather than simply removed if
> there is a desire to replace it with 'vpcie3v3' which is used for some
> non-Qualcomm controllers.
> 
> Fixes: 756485bfbb85 ("dt-bindings: PCI: qcom,pcie-sc7280: Move SC7280 to dedicated schema")
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml   | 3 +++
>  Documentation/devicetree/bindings/pci/qcom,pcie-sc7280.yaml   | 3 ---
>  Documentation/devicetree/bindings/pci/qcom,pcie-sc8280xp.yaml | 3 ---
>  Documentation/devicetree/bindings/pci/qcom,pcie.yaml          | 3 +++
>  4 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml
> index 0a39bbfcb28b..2b6f5a171f20 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml
> @@ -78,6 +78,9 @@ properties:
>      description: GPIO controlled connection to WAKE# signal
>      maxItems: 1
>  
> +  vddpe-3v3-supply:
> +    description: PCIe endpoint power supply
> +
>  required:
>    - reg
>    - reg-names
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sc7280.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sc7280.yaml
> index 634da24ec3ed..7ed46a929d73 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-sc7280.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sc7280.yaml
> @@ -66,9 +66,6 @@ properties:
>      items:
>        - const: pci
>  
> -  vddpe-3v3-supply:
> -    description: PCIe endpoint power supply
> -
>  allOf:
>    - $ref: qcom,pcie-common.yaml#
>  
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sc8280xp.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sc8280xp.yaml
> index 25c9f13ae977..15ba2385eb73 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-sc8280xp.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sc8280xp.yaml
> @@ -58,9 +58,6 @@ properties:
>      items:
>        - const: pci
>  
> -  vddpe-3v3-supply:
> -    description: A phandle to the PCIe endpoint power supply
> -
>  required:
>    - interconnects
>    - interconnect-names
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index f867746b1ae5..ffabbac57fc1 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -91,6 +91,9 @@ properties:
>    vdda_refclk-supply:
>      description: A phandle to the core analog power supply for IC which generates reference clock
>  
> +  vddpe-3v3-supply:
> +    description: A phandle to the PCIe endpoint power supply
> +
>    phys:
>      maxItems: 1
>  
> -- 
> 2.44.2
> 

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