linux-kernel - Re: [PATCH v3 3/4] arm64: dts: qcom: sa8775p: remove aux clock from pcie phy

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Message-ID: <25ddb70a-7442-4d63-9eff-d4c3ac509bbb@oss.qualcomm.com>
Date: Fri, 27 Jun 2025 16:50:57 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Ziyue Zhang <quic_ziyuzhan@...cinc.com>, 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
Cc: 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 v3 3/4] arm64: dts: qcom: sa8775p: remove aux clock from
 pcie phy

On 6/25/25 11:00 AM, Ziyue Zhang wrote:
> gcc_aux_clk is used in PCIe RC and it is not required in pcie phy, in
> pcie phy it should be gcc_phy_aux_clk, so remove gcc_aux_clk and
> replace it with gcc_phy_aux_clk.

GCC_PCIE_n_PHY_AUX_CLK is a downstream of the PHY's output..
are you sure the PHY should be **consuming** it too?

Konrad