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Message-ID: <17a4b36b-4c46-86f6-5b93-b30171c324f2@quicinc.com>
Date:   Thu, 24 Aug 2023 10:55:21 +0530
From:   Devi Priya <quic_devipriy@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <p.zabel@...gutronix.de>, <richardcochran@...il.com>,
        <arnd@...db.de>, <geert+renesas@...der.be>,
        <neil.armstrong@...aro.org>, <nfraprado@...labora.com>,
        <rafal@...ecki.pl>, <linux-arm-msm@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>
CC:     <quic_saahtoma@...cinc.com>
Subject: Re: [PATCH 5/6] arm64: dts: qcom: ipq9574: Add support for nsscc node



On 7/11/2023 3:27 PM, Krzysztof Kozlowski wrote:
> On 11/07/2023 11:35, Devi Priya wrote:
>> Add a node for the nss clock controller found on ipq9574 based devices.
>>
>> Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi | 44 +++++++++++++++++++++++++++
>>   1 file changed, 44 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> index f120c7c52351..257ce4a5bfd5 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> @@ -10,6 +10,8 @@
>>   #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
>>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>>   #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
>> +#include <dt-bindings/clock/qcom,ipq9574-nsscc.h>
>> +#include <dt-bindings/reset/qcom,ipq9574-nsscc.h>
>>   
>>   / {
>>   	interrupt-parent = <&intc>;
>> @@ -17,6 +19,30 @@
>>   	#size-cells = <2>;
>>   
>>   	clocks {
>> +		bias_pll_cc_clk: bias-pll-cc-clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <1200000000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		bias_pll_nss_noc_clk: bias-pll-nss-noc-clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <461500000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		bias_pll_ubi_nc_clk: bias-pll-ubi-nc-clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <353000000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		gcc_gpll0_out_aux: gcc-gpll0-out-aux {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <800000000>;
>> +			#clock-cells = <0>;
>> +		};
> 
> Isn't this GCC clock?
Yes, will register this in the gcc driver.

Thanks,
Devi Priya
> 
>> +
>>   		sleep_clk: sleep-clk {
>>   			compatible = "fixed-clock";
>>   			#clock-cells = <0>;
>> @@ -620,6 +646,24 @@
>>   				status = "disabled";
>>   			};
>>   		};
>> +
>> +		nsscc: nsscc@...00000 {
> 
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> 
> 
> Best regards,
> Krzysztof
> 

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