linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: x1e80100: Describe the PCIe 6a resources

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Date: Fri, 31 May 2024 14:35:08 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Abel Vesa <abel.vesa@...aro.org>, Bjorn Andersson <andersson@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Sibi Sankar <quic_sibis@...cinc.com>,
 Rajendra Nayak <quic_rjendra@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: x1e80100: Describe the PCIe 6a
 resources

On 30.05.2024 5:43 PM, Abel Vesa wrote:
> On both the CRD and QCP, on PCIe 6a sits the NVMe. Add the 3.3V
> gpio-controlled regulator and the clkreq, perst and wake gpios as
> resources for the PCIe 6a.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 52 +++++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 52 +++++++++++++++++++++++++++++++
>  2 files changed, 104 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> index 3ce2c8a841ec..10ec40a193fb 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> @@ -173,6 +173,20 @@ vreg_edp_3p3: regulator-edp-3p3 {
>  		regulator-always-on;
>  		regulator-boot-on;
>  	};
> +
> +	vreg_nvme: regulator-nvme {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "VREG_NVME_3P3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 18 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&nvme_reg_en>;

property-n
property-names

Konrad