linux-kernel - Re: [PATCH] arm64: dts: qcom: monaco-evk: Enable PCIe0 and PCIe1 on monaco-evk

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Message-ID: <66b634ef-6a69-4275-b28d-2b148df22b24@oss.qualcomm.com>
Date: Wed, 12 Nov 2025 10:15:39 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Sushrut Shree Trivedi <quic_sushruts@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ziyue.zhang@....qualcomm.com,
        krishna.chundru@....qualcomm.com
Subject: Re: [PATCH] arm64: dts: qcom: monaco-evk: Enable PCIe0 and PCIe1 on
 monaco-evk

On 11/11/25 11:08 AM, Sushrut Shree Trivedi wrote:
> Enables PCIe0 and PCIe1 controller and phy-nodes.
> 
> PCIe0 is routed to an m.2 E key connector on the mainboard for wifi
> attaches while PCIe1 routes to a standard PCIe x4 expansion slot.
> 
> Signed-off-by: Sushrut Shree Trivedi <quic_sushruts@...cinc.com>
> ---
> This patch depends on the series:
> https://lore.kernel.org/all/20251024095609.48096-1-ziyue.zhang@oss.qualcomm.com/
> ---

[...]

> +		perst-pins {
> +			pins = "gpio2";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-pull-down;
> +		};

Neither of the two active-low reset pins should be pull-down, use
bias-disable to avoid spurious assertions

Konrad