linux-kernel - Re: [PATCH V3 2/2] arm64: dts: qcom: sc7280: Update lpassaudio clock controller for resets

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Message-ID: <e28ef7e2-c23a-f87b-09b2-958f2212c30e@quicinc.com>
Date:   Wed, 27 Jul 2022 11:21:08 +0530
From:   "Satya Priya Kakitapalli (Temp)" <quic_c_skakit@...cinc.com>
To:     Stephen Boyd <swboyd@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Douglas Anderson <dianders@...omium.org>,
        Andy Gross <agross@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_tdas@...cinc.com>
Subject: Re: [PATCH V3 2/2] arm64: dts: qcom: sc7280: Update lpassaudio clock
 controller for resets


On 7/27/2022 6:52 AM, Stephen Boyd wrote:
> Quoting Satya Priya (2022-07-20 04:22:24)
>> From: Taniya Das <quic_tdas@...cinc.com>
>>
>> The lpass audio supports TX/RX/WSA block resets. Also to keep
>> consistency update lpasscore to lpass_core.
> Consistency with what?


Hi Stephen,


We got a comment to change this on previous posts, to keep consistency 
with the other nodes like lpass_aon etc


https://patchwork.kernel.org/project/linux-arm-msm/patch/20220503113246.13857-1-quic_tdas@quicinc.com/#24842497

>> Fixes: 9499240d15f2 ("arm64: dts: qcom: sc7280: Add lpasscore & lpassaudio clock controllers")
>> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
>> Signed-off-by: Satya Priya <quic_c_skakit@...cinc.com>
>> ---
>> Changes since v3:
>>   - Remove the status="disabled" from lpasscc node.
>>
>>   arch/arm64/boot/dts/qcom/sc7280.dtsi | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index 71735bb..c641f0b 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -2184,6 +2184,7 @@
>>                          power-domains = <&lpass_aon LPASS_AON_CC_LPASS_AUDIO_HM_GDSC>;
>>                          #clock-cells = <1>;
>>                          #power-domain-cells = <1>;
>> +                       #reset-cells = <1>;
> Is there a binding update for qcom,sc7280-lpassaudiocc?
>
>>                  };
>>
>>                  lpass_aon: clock-controller@...0000 {
>> @@ -2191,13 +2192,13 @@
>>                          reg = <0 0x03380000 0 0x30000>;
>>                          clocks = <&rpmhcc RPMH_CXO_CLK>,
>>                                 <&rpmhcc RPMH_CXO_CLK_A>,
>> -                              <&lpasscore LPASS_CORE_CC_CORE_CLK>;
>> +                              <&lpass_core LPASS_CORE_CC_CORE_CLK>;
> Is this really necessary?
>
>>                          clock-names = "bi_tcxo", "bi_tcxo_ao", "iface";
>>                          #clock-cells = <1>;
>>                          #power-domain-cells = <1>;
>>                  };
>>
>> -               lpasscore: clock-controller@...0000 {
>> +               lpass_core: clock-controller@...0000 {
> Is this really necessary?
>
>>                          compatible = "qcom,sc7280-lpasscorecc";
>>                          reg = <0 0x03900000 0 0x50000>;
>>                          clocks = <&rpmhcc RPMH_CXO_CLK>;