linux-kernel - Re: [PATCH v5 1/4] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings

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Message-ID: <aHoarsqbnsBGtwni@hovoldconsulting.com>
Date: Fri, 18 Jul 2025 11:58:06 +0200
From: Johan Hovold <johan@...nel.org>
To: Ziyue Zhang <ziyue.zhang@....qualcomm.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, jingoohan1@...il.com,
	mani@...nel.org, lpieralisi@...nel.org, kwilczynski@...nel.org,
	bhelgaas@...gle.com, johan+linaro@...nel.org, vkoul@...nel.org,
	kishon@...nel.org, neil.armstrong@...aro.org, abel.vesa@...aro.org,
	kw@...ux.com, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-phy@...ts.infradead.org,
	qiang.yu@....qualcomm.com, quic_krichai@...cinc.com,
	quic_vbadigan@...cinc.com
Subject: Re: [PATCH v5 1/4] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy:
 Update pcie phy bindings

On Fri, Jul 18, 2025 at 04:17:15PM +0800, Ziyue Zhang wrote:
> The gcc_aux_clk is required by the PCIe controller but not by the PCIe
> PHY. In PCIe PHY, the source of aux_clk used in low-power mode should
> be gcc_phy_aux_clk. Hence, remove gcc_aux_clk and replace it with
> gcc_phy_aux_clk.
 
> Removed the phy_aux clock from the PCIe PHY binding as it is no longer
> used by any instance.

This paragraph no longer applies to this patch (but to the qcs8300 one
that removes the clock).

> Fixes: fd2d4e4c1986 ("dt-bindings: phy: qcom,qmp: Add sa8775p QMP PCIe PHY")
> Signed-off-by: Ziyue Zhang <ziyue.zhang@....qualcomm.com>

> --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> @@ -176,6 +176,8 @@ allOf:
>            contains:
>              enum:
>                - qcom,qcs615-qmp-gen3x1-pcie-phy
> +              - qcom,sa8775p-qmp-gen4x2-pcie-phy
> +              - qcom,sa8775p-qmp-gen4x4-pcie-phy
>                - qcom,sc8280xp-qmp-gen3x1-pcie-phy
>                - qcom,sc8280xp-qmp-gen3x2-pcie-phy
>                - qcom,sc8280xp-qmp-gen3x4-pcie-phy
> @@ -197,8 +199,6 @@ allOf:
>            contains:
>              enum:
>                - qcom,qcs8300-qmp-gen4x2-pcie-phy
> -              - qcom,sa8775p-qmp-gen4x2-pcie-phy
> -              - qcom,sa8775p-qmp-gen4x4-pcie-phy
>      then:
>        properties:
>          clocks:

Johan