linux-kernel - Re: [PATCH v1 3/3] arm64: dts: qcom: x1e80100-qcp: Add power control and sideband signals for PCIe3

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Message-ID: <8379e009-9619-4c2b-986a-8ccb9ebaa083@kernel.org>
Date: Fri, 21 Mar 2025 08:39:07 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Wenbin Yao <quic_wenbyao@...cinc.com>, andersson@...nel.org,
 konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 catalin.marinas@....com, will@...nel.org, quic_qianyu@...cinc.com,
 sfr@...b.auug.org.au, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 3/3] arm64: dts: qcom: x1e80100-qcp: Add power control
 and sideband signals for PCIe3

On 20/03/2025 06:55, Wenbin Yao wrote:
> From: Qiang Yu <quic_qianyu@...cinc.com>
> 
> Add perst, wake and clkreq sideband signals and required regulators in
> PCIe3 controller and PHY device tree node. Describe the voltage rails of
> the x8 PCI slots for PCIe3 port.
> 
> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
> Signed-off-by: Wenbin Yao <quic_wenbyao@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 119 ++++++++++++++++++++++
>  1 file changed, 119 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> index 28086a2bc..9cd313802 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> @@ -318,6 +318,48 @@ vreg_wcn_3p3: regulator-wcn-3p3 {
>  		regulator-boot-on;
>  	};
>  
> +	vreg_pcie_12v: regulator-pcie_12v {

Don't send the downstream code.

Underscore are not allowed in node names plus:

Please use name for all fixed regulators which matches current format
recommendation: 'regulator-[0-9]v[0-9]'

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml?h=v6.11-rc1#n46

Best regards,
Krzysztof