linux-kernel - Re: [PATCH v4 2/2] arm64: dts: qcom: qcs615-ride: add WiFi/BT nodes

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Message-ID: <2949c950-71d0-4560-83c0-d49bd860b387@oss.qualcomm.com>
Date: Thu, 24 Jul 2025 14:58:58 +0800
From: "Yu Zhang(Yuriy)" <yu.zhang@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/2] arm64: dts: qcom: qcs615-ride: add WiFi/BT nodes



On 7/23/2025 7:31 PM, Dmitry Baryshkov wrote:
> On Wed, Jul 23, 2025 at 10:02:36AM +0800, Yu Zhang(Yuriy) wrote:
>>
>>
>> On 7/23/2025 1:36 AM, Dmitry Baryshkov wrote:
>>> On 22/07/2025 18:58, Yu Zhang(Yuriy) wrote:
>>>>
>>>>
>>>> On 7/19/2025 6:13 PM, Dmitry Baryshkov wrote:
>>>>> On Mon, Jul 07, 2025 at 10:51:06AM +0800, Yu Zhang(Yuriy) wrote:
>>>>>> Add a node for the PMU module of the WCN6855 present on the qcs615 ride
>>>>>> board. Assign its LDO power outputs to the existing WiFi/BT module.
>>>>>
>>>>>
>>>>> What is "existing WiFI/BT module"? There is no module in the DT. Not to
>>>>> mention that PMU is a part of the WCN6855.
>>>>>
>>>>>>
>>>>>> Signed-off-by: Yu Zhang(Yuriy) <yu.zhang@....qualcomm.com>
>>>>>> ---
>>>>>>    arch/arm64/boot/dts/qcom/qcs615-ride.dts | 135
>>>>>> +++++++++++++++++++ + +++++++++++
>>>>>>    1 file changed, 135 insertions(+)
>>>>>>
>>>>>> diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
>>>>>> b/arch/arm64/ boot/dts/qcom/qcs615-ride.dts
>>>>>> index 011f8ae077c256f079ce1b07720374a9bf721488..2df8e7e3c1d3b6d6353a6753b8387c7411edd927
>>>>>> 100644
>>>>>> --- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
>>>>>> +++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
>>>>>> @@ -18,6 +18,7 @@ aliases {
>>>>>>            mmc0 = &sdhc_1;
>>>>>>            mmc1 = &sdhc_2;
>>>>>>            serial0 = &uart0;
>>>>>> +        serial1 = &uart7;
>>>>>>        };
>>>>>>        chosen {
>>>>>> @@ -47,6 +48,85 @@ regulator-usb2-vbus {
>>>>>>            enable-active-high;
>>>>>>            regulator-always-on;
>>>>>>        };
>>>>>> +
>>>>>> +    vreg_conn_1p8: vreg_conn_1p8 {
>>>>>
>>>>> No improvement. Please try again.
>>>>>
>>>> you mean should be "vreg_conn_1p8: vreg-conn-1p8",right? I'll update
>>>> it,
>>>
>>> What is the node name for the previous regulator device? Anything
>>> preventing you from following the pattern?
>>>
>> Do you mean the prefix 'regulator'?
>> I just want to keep 'vreg_conn_1p8' and 'vreg_conn_pa' the same as in
>> sa8775p-ride.dtsi, because they're using the same module.
> 
> That's a different device. Please use the style of the file that you are
> patching.
> 
Got it, thanks.>>
>>>> thanks.>> +        compatible = "regulator-fixed";
>>>>>> +        regulator-name = "vreg_conn_1p8";
>>>>>> +        startup-delay-us = <4000>;
>>>>>> +        enable-active-high;
>>>>>> +        gpio = <&pm8150_gpios 1 GPIO_ACTIVE_HIGH>;
>>>>>> +    };
>>>>>> +
>>>>>> +    vreg_conn_pa: vreg_conn_pa {
>>>>>> +        compatible = "regulator-fixed";
>>>>>> +        regulator-name = "vreg_conn_pa";
>>>>>> +        startup-delay-us = <4000>;
>>>>>> +        enable-active-high;
>>>>>> +        gpio = <&pm8150_gpios 6 GPIO_ACTIVE_HIGH>;
>>>>>> +    };
>>>>>> +
>>>>>
>>>>
>>>
>>>
>>
>