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

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Message-ID: <7117b159-6743-4db3-9ae5-1cf4ae051601@oss.qualcomm.com>
Date: Tue, 22 Jul 2025 20:36:55 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: "Yu Zhang(Yuriy)" <yu.zhang@....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 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?

> 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>;
>>> +    };
>>> +
>>
> 


-- 
With best wishes
Dmitry