linux-kernel - Re: [PATCH v4] arm64: dts: qcom: sc7280: Add lpasscore & lpassaudio clock controllers

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Message-ID: <fe2721e7-d987-5cef-cc7b-3e138cf3fa1d@quicinc.com>
Date:   Wed, 4 May 2022 11:10:37 +0530
From:   Taniya Das <quic_tdas@...cinc.com>
To:     Matthias Kaehlcke <mka@...omium.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        <devicetree@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] arm64: dts: qcom: sc7280: Add lpasscore & lpassaudio
 clock controllers

Hello Matthias,

On 5/4/2022 12:28 AM, Matthias Kaehlcke wrote:
> On Tue, May 03, 2022 at 05:02:46PM +0530, Taniya Das wrote:
>> Add the low pass audio clock controller device nodes. Keep the lpasscc
>> clock node disabled and enabled for lpass pil based devices.
>>
>> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
>> ---
>> [v4]
>>   * Mark lpasscc[lpasscc@...0000] device node as "disabled".
>>
>> [v3]
>>   * Fix unwanted extra spaces in reg property.
>>   * Fix lpass_aon node clock phandle <&lpasscc> to <&lpasscore>
>>
>>   arch/arm64/boot/dts/qcom/sc7280.dtsi | 44 ++++++++++++++++++++++++++++
>>   1 file changed, 44 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index f0b64be63c21..477a754741a1 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -8,6 +8,8 @@
>>   #include <dt-bindings/clock/qcom,dispcc-sc7280.h>
>>   #include <dt-bindings/clock/qcom,gcc-sc7280.h>
>>   #include <dt-bindings/clock/qcom,gpucc-sc7280.h>
>> +#include <dt-bindings/clock/qcom,lpassaudiocc-sc7280.h>
>> +#include <dt-bindings/clock/qcom,lpasscorecc-sc7280.h>
>>   #include <dt-bindings/clock/qcom,rpmh.h>
>>   #include <dt-bindings/clock/qcom,videocc-sc7280.h>
>>   #include <dt-bindings/gpio/gpio.h>
>> @@ -1978,6 +1980,48 @@
>>   			clocks = <&gcc GCC_CFG_NOC_LPASS_CLK>;
>>   			clock-names = "iface";
>>   			#clock-cells = <1>;
>> +			status = "disabled";
>> +		};
>> +
>> +		lpass_audiocc: clock-controller@...0000 {
>> +			compatible = "qcom,sc7280-lpassaudiocc";
>> +			reg = <0 0x03300000 0 0x30000>;
>> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
>> +			       <&lpass_aon LPASS_AON_CC_MAIN_RCG_CLK_SRC>;
>> +			clock-names = "bi_tcxo", "lpass_aon_cc_main_rcg_clk_src";
>> +			power-domains = <&lpass_aon LPASS_AON_CC_LPASS_AUDIO_HM_GDSC>;
>> +			#clock-cells = <1>;
>> +			#power-domain-cells = <1>;
>> +		};
>> +
>> +		lpass_aon: clock-controller@...0000 {
>> +			compatible = "qcom,sc7280-lpassaoncc";
>> +			reg = <0 0x03380000 0 0x30000>;
>> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
>> +			       <&rpmhcc RPMH_CXO_CLK_A>,
>> +			       <&lpasscore LPASS_CORE_CC_CORE_CLK>;
>> +			clock-names = "bi_tcxo", "bi_tcxo_ao", "iface";
>> +			#clock-cells = <1>;
>> +			#power-domain-cells = <1>;
>> +		};
>> +
>> +		lpasscore: clock-controller@...0000 {
> 
> nit: lpass_core?
> 
> The other labels have an underscore, it wouldn't hurt to be consistent.

Sure, will take care in the next patch.

> 
>> +			compatible = "qcom,sc7280-lpasscorecc";
>> +			reg = <0 0x03900000 0 0x50000>;
>> +			clocks =  <&rpmhcc RPMH_CXO_CLK>;
>> +			clock-names = "bi_tcxo";
>> +			power-domains = <&lpass_hm LPASS_CORE_CC_LPASS_CORE_HM_GDSC>;
>> +			#clock-cells = <1>;
>> +			#power-domain-cells = <1>;
>> +		};
>> +
>> +		lpass_hm: clock-controller@...0000 {
>> +			compatible = "qcom,sc7280-lpasshm";
>> +			reg = <0 0x3c00000 0 0x28>;
>> +			clocks = <&rpmhcc RPMH_CXO_CLK>;
>> +			clock-names = "bi_tcxo";
>> +			#clock-cells = <1>;
>> +			#power-domain-cells = <1>;
>>   		};
>>
>>   		lpass_ag_noc: interconnect@...0000 {
>> --


-- 
Thanks & Regards,
Taniya Das.