linux-kernel - Re: [PATCH v13 09/10] arm64: dts: qcom: sa8295p: Enable tertiary controller and its 4 USB ports

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Message-ID: <faa647ed-9692-4233-b421-b9e6271f8934@quicinc.com>
Date:   Mon, 23 Oct 2023 23:12:40 +0530
From:   Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
To:     Johan Hovold <johan@...nel.org>
CC:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>, <quic_ppratap@...cinc.com>,
        <quic_jackp@...cinc.com>, <ahalaney@...hat.com>,
        <quic_shazhuss@...cinc.com>
Subject: Re: [PATCH v13 09/10] arm64: dts: qcom: sa8295p: Enable tertiary
 controller and its 4 USB ports



On 10/23/2023 9:53 PM, Johan Hovold wrote:
> On Sat, Oct 07, 2023 at 09:18:05PM +0530, Krishna Kurapati wrote:
>> Enable tertiary controller for SA8295P (based on SC8280XP).
>> Add pinctrl support for usb ports to provide VBUS to connected peripherals.
>>
>> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 49 ++++++++++++++++++++++++
>>   1 file changed, 49 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>> index fd253942e5e5..271000163823 100644
>> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>> @@ -9,6 +9,7 @@
>>   #include <dt-bindings/gpio/gpio.h>
>>   #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>>   #include <dt-bindings/spmi/spmi.h>
>> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
> 
> Sort order ('p' < 'r').

ACK

> 
>> +&usb_2 {
>> +	pinctrl-0 = <&usb2_en_state>,
>> +		    <&usb3_en_state>,
>> +		    <&usb4_en_state>,
>> +		    <&usb5_en_state>;
>> +	pinctrl-names = "default";
>> +
>> +	status = "okay";
>> +};
>> +
>>   &usb_2_hsphy0 {
>>   	vdda-pll-supply = <&vreg_l5a>;
>>   	vdda18-supply = <&vreg_l7g>;
>> @@ -729,3 +740,41 @@ wake-n-pins {
>>   		};
>>   	};
>>   };
>> +
>> +&pmm8540c_gpios {
> 
> Sort order here too ('p' < 't' in "&tlmm").
> 

ACK.

>> +	usb2_en_state: usb2-en-state {
> 
> No need to include '_state' in the labels.
> 
Any specific reason ? I have no problem if removing the suffix but just 
wanted to know the reason.

Regards,
Krishna,