linux-kernel - Re: [PATCH v2 3/8] arm64: dts: qcom: qcs6490-rb3gen2: Add node for qps615

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Message-ID: <e0f61e73-3321-48b2-9fe9-1ffa547cab08@kernel.org>
Date: Sun, 4 Aug 2024 10:54:23 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Krishna chaitanya chundru <quic_krichai@...cinc.com>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>,
 cros-qcom-dts-watchers@...omium.org, Bartosz Golaszewski <brgl@...ev.pl>,
 Jingoo Han <jingoohan1@...il.com>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: andersson@...nel.org, quic_vbadigan@...cinc.com,
 linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 3/8] arm64: dts: qcom: qcs6490-rb3gen2: Add node for
 qps615

On 03/08/2024 05:22, 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.
> 
> Add i2c device node which is used to configure the switch.
> 
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 121 +++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi         |   2 +-
>  2 files changed, 122 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..59d209768636 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 {
> @@ -595,6 +619,12 @@ lt9611_out: endpoint {
>  			};
>  		};
>  	};
> +
> +	qps615_switch: pcie-switch@77 {
> +		compatible = "qcom,qps615";
> +		reg = <0x77>;
> +		status = "okay";

Where is it disabled?

> +	};
>  };
>  
>  &i2c1 {
> @@ -688,6 +718,75 @@ &pmk8350_rtc {
>  	status = "okay";
>  };
>  
> +&pcie1 {

Entries are ordered.

> +	status = "okay";
> +};


> 

Best regards,
Krzysztof