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

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Message-ID: <469e2e9c-b950-4ecc-bfa9-82aa9178b65d@oss.qualcomm.com>
Date: Wed, 23 Jul 2025 10:02:36 +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 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.

>> 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>;
>>>> +    };
>>>> +
>>>
>>
> 
>