linux-kernel - Re: [RFC PATCH 5/6] arm64: dts: qcom: add base AIM500 dtsi

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Message-ID: <9685991e-6577-4f96-a17f-b0a65d8d1260@quicinc.com>
Date: Tue, 20 Feb 2024 17:16:57 +0800
From: Jingyi Wang <quic_jingyw@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <kernel@...cinc.com>, Tingwei Zhang <quic_tingweiz@...cinc.com>
Subject: Re: [RFC PATCH 5/6] arm64: dts: qcom: add base AIM500 dtsi

Hi Dmitry,

On 2/5/2024 10:23 PM, Dmitry Baryshkov wrote:
> On Mon, 5 Feb 2024 at 14:00, Jingyi Wang <quic_jingyw@...cinc.com> wrote:
>>
>> Introduce aim500 board dtsi.
> 
> So, is it a board or a module?
> 
aim500 is a module, will fix the descrption.

>>
>> AIM500 Series is a highly optimized family of modules designed to
>> support AIoT and Generative AI applications based on sm8650p with
>> PMIC and bluetooth functions etc.
>>
>> Co-developed-by: Tingwei Zhang <quic_tingweiz@...cinc.com>
>> Signed-off-by: Tingwei Zhang <quic_tingweiz@...cinc.com>
>> Signed-off-by: Jingyi Wang <quic_jingyw@...cinc.com>
>> ---
>>  arch/arm64/boot/dts/qcom/sm8650p-aim500.dtsi | 409 +++++++++++++++++++
>>  1 file changed, 409 insertions(+)
>>  create mode 100644 arch/arm64/boot/dts/qcom/sm8650p-aim500.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8650p-aim500.dtsi b/arch/arm64/boot/dts/qcom/sm8650p-aim500.dtsi
>> new file mode 100644
>> index 000000000000..cb857da8653b
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sm8650p-aim500.dtsi
>> @@ -0,0 +1,409 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>> +#include "sm8650p.dtsi"
>> +#include "pm8550.dtsi"
>> +#include "pm8550b.dtsi"
>> +#define PMK8550VE_SID 8
>> +#include "pm8550ve.dtsi"
>> +#include "pm8550vs.dtsi"
>> +#include "pmk8550.dtsi"
>> +
>> +/ {
>> +       aliases {
>> +               serial1 = &uart14;
>> +       };
>> +
>> +       vph_pwr: vph-pwr-regulator { };
> 
> Is this regulator a part of the module or a part of the carrier board?
> If the latter is true, this must go to the carrier board DT file.
> 

the vph_pwr regulator is defined in the aim500-aiot carrier board and used
in aim500 module.

>> +};
>> +
>> +&apps_rsc {
>> +       regulators-0 {
>> +               compatible = "qcom,pm8550-rpmh-regulators";
>> +
>> +               vdd-bob1-supply = <&vph_pwr>;
>> +               vdd-bob2-supply = <&vph_pwr>;
>> +               vdd-l2-l13-l14-supply = <&vreg_bob1>;
>> +               vdd-l3-supply = <&vreg_s1c_1p2>;
>> +               vdd-l5-l16-supply = <&vreg_bob1>;
>> +               vdd-l6-l7-supply = <&vreg_bob1>;
>> +               vdd-l8-l9-supply = <&vreg_bob1>;
>> +               vdd-l11-supply = <&vreg_s1c_1p2>;
>> +               vdd-l12-supply = <&vreg_s6c_1p8>;
>> +               vdd-l15-supply = <&vreg_s6c_1p8>;
>> +               vdd-l17-supply = <&vreg_bob2>;
>> +
>> +               qcom,pmic-id = "b";
> 
> [skipped]
> 
>> +
>> +&qupv3_id_1 {
>> +       status = "okay";
>> +};
> 
> No GPI node being enabled?
> 
will drop this node for there is no client under that.
>> +
>> +&tlmm {
>> +       bt_default: bt-default-state {
>> +               bt-en-pins {
>> +                       pins = "gpio17";
>> +                       function = "gpio";
>> +                       drive-strength = <16>;
>> +                       bias-disable;
>> +               };
>> +
>> +               sw-ctrl-pins {
>> +                       pins = "gpio18";
>> +                       function = "gpio";
>> +                       bias-pull-down;
>> +               };
>> +       };
>> +};
>> +
>> +&uart14 {
>> +       status = "okay";
>> +
>> +       bluetooth {
>> +               compatible = "qcom,wcn7850-bt";
>> +
>> +               clocks = <&rpmhcc RPMH_RF_CLK1>;
>> +
>> +               vddio-supply = <&vreg_l3c_1p2>;
>> +               vddaon-supply = <&vreg_l15b_1p8>;
>> +               vdddig-supply = <&vreg_s3c_0p9>;
>> +               vddrfa0p8-supply = <&vreg_s3c_0p9>;
>> +               vddrfa1p2-supply = <&vreg_s1c_1p2>;
>> +               vddrfa1p9-supply = <&vreg_s6c_1p8>;
>> +
>> +               max-speed = <3200000>;
>> +
>> +               enable-gpios = <&tlmm 17 GPIO_ACTIVE_HIGH>;
>> +               swctrl-gpios = <&tlmm 18 GPIO_ACTIVE_HIGH>;
>> +
>> +               pinctrl-0 = <&bt_default>;
>> +               pinctrl-names = "default";
>> +       };
>> +};
>> --
>> 2.25.1
>>
>>
> 
> 
Thanks,
Jingyi