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Message-ID: <ngjwfsymvo2sucvzyoanhezjisjqgfgnlixrzjgxjzlfchni7y@lvgrfslpnqmo>
Date: Wed, 20 Nov 2024 09:06:03 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Krishna chaitanya chundru <quic_krichai@...cinc.com>
Cc: andersson@...nel.org, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof WilczyƄski <kw@...ux.com>, 
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, cros-qcom-dts-watchers@...omium.org, 
	Jingoo Han <jingoohan1@...il.com>, Bartosz Golaszewski <brgl@...ev.pl>, quic_vbadigan@...cinc.com, 
	linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/6] arm64: dts: qcom: qcs6490-rb3gen2: Add node for
 qps615

On Tue, Nov 12, 2024 at 08:31:34PM +0530, Krishna chaitanya chundru wrote:
> Add QPS615 PCIe switch node which has 3 downstream ports and in one
> downstream port two embedded ethernet devices are present.
> 
> Power to the QPS615 is supplied through two LDO regulators, controlled
> by two GPIOs, these are added as fixed regulators. And the QPS615 is
> configured through i2c.
> 
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 115 +++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi         |   2 +-
>  2 files changed, 116 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 0d45662b8028..0e890841b600 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -202,6 +202,30 @@ vph_pwr: vph-pwr-regulator {
>  		regulator-min-microvolt = <3700000>;
>  		regulator-max-microvolt = <3700000>;
>  	};
> +
> +	vdd_ntn_0p9: regulator-vdd-ntn-0p9 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDD_NTN_0P9";
> +		gpio = <&pm8350c_gpios 2 GPIO_ACTIVE_HIGH>;
> +		regulator-min-microvolt = <899400>;
> +		regulator-max-microvolt = <899400>;
> +		enable-active-high;
> +		pinctrl-0 = <&ntn_0p9_en>;
> +		pinctrl-names = "default";
> +		regulator-enable-ramp-delay = <4300>;
> +	};
> +
> +	vdd_ntn_1p8: regulator-vdd-ntn-1p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDD_NTN_1P8";
> +		gpio = <&pm8350c_gpios 3 GPIO_ACTIVE_HIGH>;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		enable-active-high;
> +		pinctrl-0 = <&ntn_1p8_en>;
> +		pinctrl-names = "default";
> +		regulator-enable-ramp-delay = <10000>;
> +	};
>  };
>  
>  &apps_rsc {
> @@ -684,6 +708,75 @@ &mdss_edp_phy {
>  	status = "okay";
>  };
>  
> +&pcie1_port {
> +	pcie@0,0 {
> +		compatible = "pci1179,0623";

The switch is part of SoC or board? This is confusing, I thought QPS615
is the SoC.

> +		reg = <0x10000 0x0 0x0 0x0 0x0>;
> +		#address-cells = <3>;
> +		#size-cells = <2>;

Best regards,
Krzysztof


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