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

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Message-ID: <7657a89c-498d-7cf8-f271-f1d3229b5d53@quicinc.com>
Date: Mon, 5 Aug 2024 09:44:02 +0530
From: Krishna Chaitanya Chundru <quic_krichai@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        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 8/4/2024 2:24 PM, Krzysztof Kozlowski wrote:
> 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?
> 
let me check this, I taught if we are using a
phandle it should be enabled, if not the case
I will make it as disabled only.
>> +	};
>>   };
>>   
>>   &i2c1 {
>> @@ -688,6 +718,75 @@ &pmk8350_rtc {
>>   	status = "okay";
>>   };
>>   
>> +&pcie1 {
> 
> Entries are ordered.
> 
ack.

-- Krishna Chaitanya.
>> +	status = "okay";
>> +};
> 
> 
>>
> 
> Best regards,
> Krzysztof
>