linux-kernel - Re: [PATCH 7/8] arm64: dts: qcom: ipq5332: add support for the NSSCC

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Message-ID: <6cc57f82-cd65-42b3-99cd-79b5b784c386@linaro.org>
Date:   Mon, 30 Oct 2023 12:13:18 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Richard Cochran <richardcochran@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 7/8] arm64: dts: qcom: ipq5332: add support for the NSSCC

On 30/10/2023 10:47, Kathiravan Thirumoorthy wrote:
> Describe the NSS clock controller node and it's relevant external
> clocks.
> 
> Signed-off-by: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq5332.dtsi | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> index 42e2e48b2bc3..291f14a3f10a 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> @@ -15,6 +15,18 @@ / {
>  	#size-cells = <2>;
>  
>  	clocks {
> +		cmn_pll_nss_clk_200m: cmn-pll-nss-clk-200m {

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


so with "clk" suffix, e.g. cmn-pll-nss-1-clk.

> +			compatible = "fixed-clock";
> +			clock-frequency = <200000000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		cmn_pll_nss_clk_300m: cmn-pll-nss-clk-300m {
> +			compatible = "fixed-clock";
> +			clock-frequency = <300000000>;
> +			#clock-cells = <0>;
> +		};
> +
>  		sleep_clk: sleep-clk {
>  			compatible = "fixed-clock";
>  			#clock-cells = <0>;
> @@ -473,6 +485,22 @@ frame@...8000 {
>  				status = "disabled";
>  			};
>  		};
Best regards,
Krzysztof