linux-kernel - Re: [PATCH v4 2/3] arm64: dts: qcom: sc7280: Add lpass cpu node

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Message-ID: <f8fb6ac8-7f97-a3d6-a9b6-1eee4d0ffd86@quicinc.com>
Date:   Thu, 17 Mar 2022 19:50:00 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     Doug Anderson <dianders@...omium.org>
CC:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Rohit kumar <rohitkr@...eaurora.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Judy Hsiao <judyhsiao@...omium.org>,
        "Venkata Prasad Potturu" <quic_potturu@...cinc.com>
Subject: Re: [PATCH v4 2/3] arm64: dts: qcom: sc7280: Add lpass cpu node


On 3/1/2022 6:40 AM, Doug Anderson wrote:
Thanks for your time Doug!!!
> Hi,
>
> On Fri, Feb 11, 2022 at 6:57 AM Srinivasa Rao Mandadapu
> <quic_srivasam@...cinc.com> wrote:
>> @@ -1750,6 +1751,64 @@
>>                          #clock-cells = <1>;
>>                  };
>>
>> +               lpass_cpu: audio-subsystem@...0000 {
>> +                       compatible = "qcom,sc7280-lpass-cpu";
>> +                       reg = <0 0x3260000 0 0xC000>,
>> +                             <0 0x3280000 0 0x29000>,
>> +                             <0 0x3340000 0 0x29000>,
>> +                             <0 0x336C000 0 0x3000>,
>> +                             <0 0x3987000 0 0x68000>,
>> +                             <0 0x3B00000 0 0x29000>;
> Lower case hex, please. ...and pad the address to 8 digits here (just
> don't do it in the unit address in the node name).
Okay.
>
>
>> +                       reg-names = "lpass-rxtx-cdc-dma-lpm",
>> +                                   "lpass-rxtx-lpaif",
>> +                                   "lpass-va-lpaif",
>> +                                   "lpass-va-cdc-dma-lpm",
>> +                                   "lpass-hdmiif",
>> +                                   "lpass-lpaif";
> The order of "reg" and "reg-names" needs to match the bindings
> exactly. It's almost certainly easier to change your device tree since
> the bindings have already landed.
>
> That means that "lpass-hdmiif" will be first. ...and it will also
> change your node name since the first "reg" listed will now be
> 3987000.
Okay. will sort it accordingly.
>
>
>> +                       iommus = <&apps_smmu 0x1820 0>,
>> +                                <&apps_smmu 0x1821 0>,
>> +                                <&apps_smmu 0x1832 0>;
>> +                       status = "disabled";
>> +
>> +                       power-domains = <&rpmhpd SC7280_LCX>;
>> +                       power-domain-names = "lcx";
> power-domain-names is not in the bindings.
Okay. will update it.
>
>
>> +                       required-opps = <&rpmhpd_opp_nom>;
>> +
>> +                       clocks = <&lpass_aon LPASS_AON_CC_AUDIO_HM_H_CLK>,
>> +                                <&lpasscore LPASS_CORE_CC_SYSNOC_MPORT_CORE_CLK>,
>> +                                <&lpass_audiocc LPASS_AUDIO_CC_CODEC_MEM_CLK>,
>> +                                <&lpass_audiocc LPASS_AUDIO_CC_CODEC_MEM0_CLK>,
>> +                                <&lpass_audiocc LPASS_AUDIO_CC_CODEC_MEM1_CLK>,
>> +                                <&lpass_audiocc LPASS_AUDIO_CC_CODEC_MEM2_CLK>,
>> +                                <&lpasscore LPASS_CORE_CC_EXT_IF0_IBIT_CLK>,
>> +                                <&lpasscore LPASS_CORE_CC_EXT_IF1_IBIT_CLK>,
>> +                                <&lpass_aon LPASS_AON_CC_VA_MEM0_CLK>;
>> +                       clock-names = "aon_cc_audio_hm_h",
>> +                                     "core_cc_sysnoc_mport_core",
>> +                                     "audio_cc_codec_mem",
>> +                                     "audio_cc_codec_mem0",
>> +                                     "audio_cc_codec_mem1",
>> +                                     "audio_cc_codec_mem2",
>> +                                     "core_cc_ext_if0_ibit",
>> +                                     "core_cc_ext_if1_ibit",
>> +                                     "aon_cc_va_mem0";
> Clocks do not match bindings.
Okay. Will change accordingly.
>
>
>> +                       #sound-dai-cells = <1>;
>> +                       #address-cells = <1>;
>> +                       #size-cells = <0>;
>> +
>> +                       interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
>> +                                    <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>,
>> +                                    <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>,
>> +                                    <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
>> +
>> +                       interrupt-names = "lpass-irq-lpaif",
>> +                                         "lpass-irq-vaif",
>> +                                         "lpass-irq-rxtxif",
>> +                                         "lpass-irq-hdmi";
> interrupt-names ordering does not match bindings.
Okay. will sort it.
>
>
> -Doug