linux-kernel - Re: [PATCH v3 09/10] arm64: dts: qcom: kaanapali: Add support for MM clock controllers for Kaanapali

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Message-ID: <4bfc5d1a-d200-439b-8e0b-9afb8122eba8@oss.qualcomm.com>
Date: Thu, 15 Jan 2026 22:16:56 +0530
From: Taniya Das <taniya.das@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Jingyi Wang <jingyi.wang@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        20260114-knp-remoteproc-v4-0-fcf0b04d01af@....qualcomm.com
Subject: Re: [PATCH v3 09/10] arm64: dts: qcom: kaanapali: Add support for MM
 clock controllers for Kaanapali



On 1/15/2026 12:49 PM, Dmitry Baryshkov wrote:
> On Wed, Jan 14, 2026 at 10:49:11PM -0800, Jingyi Wang wrote:
>> From: Taniya Das <taniya.das@....qualcomm.com>
>>
>> Add the device nodes for the multimedia clock controllers(cambistmclkcc,
> 
> Somebody took away a whitespace from the previous line.

Will fix in the next patch.

> 
>> camcc, dispcc, videocc, gpucc and gxclkctl).
>>
>> Signed-off-by: Taniya Das <taniya.das@....qualcomm.com>
>> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
>> ---
>>  arch/arm64/boot/dts/qcom/kaanapali.dtsi | 102 ++++++++++++++++++++++++++++++++
>>  1 file changed, 102 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/kaanapali.dtsi b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
>> index 30705483ca20..8689715ae24f 100644
>> --- a/arch/arm64/boot/dts/qcom/kaanapali.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
>> @@ -3,7 +3,13 @@
>>   * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
>>   */
>>  
>> +#include <dt-bindings/clock/qcom,kaanapali-cambistmclkcc.h>
>> +#include <dt-bindings/clock/qcom,kaanapali-camcc.h>
>> +#include <dt-bindings/clock/qcom,kaanapali-dispcc.h>
>>  #include <dt-bindings/clock/qcom,kaanapali-gcc.h>
>> +#include <dt-bindings/clock/qcom,kaanapali-gpucc.h>
>> +#include <dt-bindings/clock/qcom,kaanapali-gxclkctl.h>
>> +#include <dt-bindings/clock/qcom,kaanapali-videocc.h>
>>  #include <dt-bindings/clock/qcom,rpmh.h>
>>  #include <dt-bindings/clock/qcom,sm8750-tcsr.h>
>>  #include <dt-bindings/dma/qcom-gpi.h>
>> @@ -1594,6 +1600,24 @@ aggre_noc: interconnect@...0000 {
>>  				 <&rpmhcc RPMH_IPA_CLK>;
>>  		};
>>  
>> +		cambistmclkcc: clock-controller@...0000 {
>> +			compatible = "qcom,kaanapali-cambistmclkcc";
>> +			reg = <0x0 0x1760000 0x0 0x6000>;
> 
> 0x01760000 (and similar issue with other reg properties).

Sure will fix this in the next patch.

> 
>> +
>> +			clocks = <&gcc GCC_CAM_BIST_MCLK_AHB_CLK>,
>> +				 <&bi_tcxo_div2>,
>> +				 <&bi_tcxo_ao_div2>,
>> +				 <&sleep_clk>;
>> +
>> +			power-domains = <&rpmhpd RPMHPD_MMCX>,
>> +					<&rpmhpd RPMHPD_MX>;
>> +			required-opps = <&rpmhpd_opp_low_svs>,
>> +					<&rpmhpd_opp_low_svs>;
>> +
>> +			#clock-cells = <1>;
>> +			#reset-cells = <1>;
> 
> Is it a reset controller?
> 

Yes, it can support.

>> +		};
>> +
>>  		mmss_noc: interconnect@...0000 {
>>  			compatible = "qcom,kaanapali-mmss-noc";
>>  			reg = <0x0 0x01780000 0x0 0x5b800>;
> 
>> +
>> +		dispcc: clock-controller@...2000 {
>> +			compatible = "qcom,kaanapali-dispcc";
>> +			reg = <0x0 0x9ba2000 0x0 0x20000>;
>> +			clocks = <&bi_tcxo_div2>,
>> +				 <&bi_tcxo_ao_div2>,
>> +				 <&gcc GCC_DISP_AHB_CLK>,
>> +				 <&sleep_clk>,
>> +				 <0>, <0>, <0>, <0>,
>> +				 <0>, <0>, <0>, <0>,
>> +				 <0>, <0>, <0>, <0>;
> 
> One zero per line. Or two, if you want to pair DP and DSI clock entries.
> 

Sure, will update.

>> +
>> +			power-domains = <&rpmhpd RPMHPD_MMCX>;
>> +			required-opps = <&rpmhpd_opp_low_svs>;
>> +
>> +			#clock-cells = <1>;
>> +			#power-domain-cells = <1>;
>> +			#reset-cells = <1>;
>> +		};
>> +
>>  		pdc: interrupt-controller@...0000 {
>>  			compatible = "qcom,kaanapali-pdc", "qcom,pdc";
>>  			reg = <0x0 0x0b220000 0x0 0x10000>,
>>
>> -- 
>> 2.25.1
>>
> 

-- 
Thanks,
Taniya Das