linux-kernel - Re: [PATCH v2 8/9] arm64: dts: qcom: ipq5332: add support for the NSSCC

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Message-ID: <8cece5d7-0fcb-4366-be72-6494842b7c41@linaro.org>
Date:   Wed, 22 Nov 2023 21:22:09 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.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 v2 8/9] arm64: dts: qcom: ipq5332: add support for the
 NSSCC



On 11/21/23 15:30, Kathiravan Thirumoorthy wrote:
> Describe the NSS clock controller node and it's relevant external
> clocks.
> 
> Signed-off-by: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
> ---
> Changes in V2:
> 	- Update the node names with proper suffix
> ---
>   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..5cbe72f03869 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_200m_clk: cmn-pll-nss-200m-clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <200000000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		cmn_pll_nss_300m_clk: cmn-pll-nss-300m-clk {
> +			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";
>   			};
>   		};
> +
> +		nsscc: clock-controller@...00000{
> +			compatible = "qcom,ipq5332-nsscc";
> +			reg = <0x39b00000 0x80000>;
> +			clocks = <&cmn_pll_nss_200m_clk>,
> +				 <&cmn_pll_nss_300m_clk>,
> +				 <&gcc GPLL0_OUT_AUX>,
> +				 <0>,
> +				 <0>,
> +				 <0>,
> +				 <0>,
> +				 <&xo_board>;
> +			#clock-cells = <0x1>;
> +			#reset-cells = <0x1>;
0x1 -> 1, it's a number and not a register

Konrad