linux-kernel - Re: [PATCH v3 1/3] dt-bindings: PCI: qcom: Move phy, wake & reset gpio's to root port

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Message-ID: <174542269294.567149.8123466089628259520.robh@kernel.org>
Date: Wed, 23 Apr 2025 10:38:13 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
Cc: quic_vbadigan@...cinc.com, Bjorn Helgaas <bhelgaas@...gle.com>,
	cros-qcom-dts-watchers@...omium.org,
	Bjorn Andersson <andersson@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	devicetree@...r.kernel.org, quic_mrana@...cinc.com,
	Konrad Dybcio <konradybcio@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: PCI: qcom: Move phy, wake & reset
 gpio's to root port


On Sat, 19 Apr 2025 10:49:24 +0530, Krishna Chaitanya Chundru wrote:
> Move the phy, phy-names, wake-gpio's to the pcie root port node instead of
> the bridge node, as agreed upon in multiple places one instance is[1].
> 
> Update the qcom,pcie-common.yaml to include the phy, phy-names, and
> wake-gpios properties in the root port node. There is already reset-gpios
> defined for PERST# in pci-bus-common.yaml, start using that property
> instead of perst-gpio.
> 
> For backward compatibility, do not remove any existing properties in the
> bridge node.
> 
> [1] https://lore.kernel.org/linux-pci/20241211192014.GA3302752@bhelgaas/
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
> ---
>  .../devicetree/bindings/pci/qcom,pcie-common.yaml  | 36 ++++++++++++++++++++--
>  .../devicetree/bindings/pci/qcom,pcie-sc7280.yaml  | 16 +++++++---
>  2 files changed, 46 insertions(+), 6 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>