linux-kernel - Re: [PATCH v3] arm64: dts: qcom: qcs615: add WiFi/BT nodes

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Message-ID: <649dc6c0-f0e1-4dca-8f93-d0f81803cd70@quicinc.com>
Date: Fri, 6 Dec 2024 11:22:44 +0800
From: "Yu Zhang (Yuriy)" <quic_yuzha@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>, <andersson@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC: <agross@...nel.org>, <ath11k@...ts.infradead.org>,
        <dmitry.baryshkov@...aro.org>, <konradybcio@...nel.org>,
        <kvalo@...nel.org>, <linux-media@...r.kernel.org>,
        <mchehab@...nel.org>, <quic_jjohnson@...cinc.com>,
        <quic_miaoqing@...cinc.com>, <quic_vgarodia@...cinc.com>,
        <stanimir.k.varbanov@...il.com>, <quic_jiaymao@...cinc.com>
Subject: Re: [PATCH v3] arm64: dts: qcom: qcs615: add WiFi/BT nodes



On 12/6/2024 1:14 AM, Konrad Dybcio wrote:
> On 3.12.2024 7:03 AM, Yu Zhang(Yuriy) wrote:
>> Add a node for the PMU module of the WCN6855 present on the qcs615
>> board. Assign its LDO power outputs to the existing WiFi/BT module.
>>
> 
> subject:
> 
> arm64: dts: qcom: qcs615-ride: ....
> 
> [...]
> 
>> +
>> +	vreg_conn_1p8: vreg_conn_1p8 {
>> +		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>;
>> +	};
> 
> Are any of these boot-on?
> 
Yes, these are used wcn6855-pmu：
      vddio-supply = <&vreg_conn_pa>;
      vddpmu-supply = <&vreg_conn_1p8>;
>> +
>> +	wcn6855-pmu {
>> +		compatible = "qcom,wcn6855-pmu";
>> +
>> +		pinctrl-0 = <&bt_en_state>, <&wlan_en_state>;
>> +		pinctrl-names = "default";
>> +
>> +		vddio-supply = <&vreg_conn_pa>;
>> +		vddaon-supply = <&vreg_s5a>;
>> +		vddpmu-supply = <&vreg_conn_1p8>;
>> +		vddrfa0p95-supply = <&vreg_s5a>;
>> +		vddrfa1p3-supply = <&vreg_s6a>;
>> +		vddrfa1p9-supply = <&vreg_l15a>;
>> +		vddpcie1p3-supply = <&vreg_s6a>;
>> +		vddpcie1p9-supply = <&vreg_l15a>;
>> +
>> +		bt-enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
>> +		wlan-enable-gpios = <&tlmm 98 GPIO_ACTIVE_HIGH>;
> 
> Please move these properties above supplies, to match the style in
> other recent device trees
> 
> [...]
> 
>>   &rpmhcc {
>>   	clocks = <&xo_board_clk>;
>>   };
>> @@ -262,12 +363,42 @@ wake-pins {
>>   			bias-pull-up;
>>   		};
>>   	};
>> +
>> +	wlan_en_state: wlan-en-state {
>> +		pins = "gpio98";
>> +		function = "gpio";
>> +		drive-strength = <16>;
>> +		output-high;
>> +		bias-pull-up;
>> +	};
>> +
>> +	bt_en_state: bt-en-state {
>> +		pins = "gpio85";
>> +		function = "gpio";
>> +		output-low;
>> +		bias-pull-down;
>> +	};
> 
> These should be sorted by gpio idx
> 
> Konrad