linux-kernel - Re: [PATCH v3 4/7] arm64: dts: qcom: sc7280: Update VA/RX/TX macro clock nodes

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Date:   Fri, 20 Jan 2023 10:17:08 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <vkoul@...nel.org>, <agross@...nel.org>, <andersson@...nel.org>,
        <robh+dt@...nel.org>, <broonie@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_rohkumar@...cinc.com>,
        <srinivas.kandagatla@...aro.org>, <dianders@...omium.org>,
        <swboyd@...omium.org>, <judyhsiao@...omium.org>,
        <alsa-devel@...a-project.org>, <quic_rjendra@...cinc.com>,
        <konrad.dybcio@...ainline.org>, <mka@...omium.org>
Subject: Re: [PATCH v3 4/7] arm64: dts: qcom: sc7280: Update VA/RX/TX macro
 clock nodes


On 1/19/2023 7:01 PM, Krzysztof Kozlowski wrote:
Thanks for your time Krzysztof!!!
> On 19/01/2023 13:27, Srinivasa Rao Mandadapu wrote:
>> Update VA, RX and TX macro and lpass_tlmm clock properties and
>> enable them.
> Everything is an update and this does not explain what exactly you are
> updating in the nodes and why.
>
>> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
>> Tested-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
>> ---
>>   .../qcom/sc7280-herobrine-audioreach-wcd9385.dtsi  | 59 ++++++++++++++++++++++
>>   1 file changed, 59 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-audioreach-wcd9385.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-audioreach-wcd9385.dtsi
>> index 81e0f3a..674b01a 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-audioreach-wcd9385.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-audioreach-wcd9385.dtsi
>> @@ -8,8 +8,67 @@
>>   
>>   #include <dt-bindings/sound/qcom,q6afe.h>
>>   
>> +/delete-node/ &lpass_rx_macro;
> Why?

Actually in SoC dtsi (sc7280.dtsi) power domains property used.

Which is not required for ADSP based solution. As there is no way to delete

individual property, deleting node and recreating it here.

>
>> +/delete-node/ &lpass_tx_macro;
>> +/delete-node/ &lpass_va_macro;
>> +
>>   /{
>>   	/* BOARD-SPECIFIC TOP LEVEL NODES */
>> +	lpass_rx_macro: codec@...0000 {
>> +		compatible = "qcom,sc7280-lpass-rx-macro";
>> +		reg = <0 0x03200000 0 0x1000>;
> Why? They are the same.
Explained above.
>
>> +
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&lpass_rx_swr_clk>, <&lpass_rx_swr_data>;
> Still the same...
>
>> +
>> +		clocks = <&q6prmcc LPASS_CLK_ID_TX_CORE_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>> +			 <&q6prmcc LPASS_CLK_ID_TX_CORE_NPL_MCLK  LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>> +			 <&q6prmcc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>> +			 <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>> +			 <&lpass_va_macro>;
>> +
>> +		clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
> This is different...
>
>> +
>> +		#clock-cells = <0>;
>> +		#sound-dai-cells = <1>;
> But this not.
>
>
> Best regards,
> Krzysztof
>