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Message-ID: <hvbrd7lyf4zjhwphxiephohuoy7olmqb5hxsa4qnidmuuae45p@swezjh3lfpzi>
Date: Thu, 29 Aug 2024 13:21:20 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>
Cc: andersson@...nel.org, mturquette@...libre.com, sboyd@...nel.org, 
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, konradybcio@...nel.org, 
	catalin.marinas@....com, will@...nel.org, djakov@...nel.org, richardcochran@...il.com, 
	geert+renesas@...der.be, neil.armstrong@...aro.org, arnd@...db.de, 
	nfraprado@...labora.com, 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, linux-pm@...r.kernel.org, netdev@...r.kernel.org, 
	Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
Subject: Re: [PATCH v5 7/8] arm64: dts: qcom: ipq5332: add support for the
 NSSCC

On Thu, Aug 29, 2024 at 01:58:29PM GMT, Varadarajan Narayanan wrote:
> From: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
> 
> Describe the NSS clock controller node and it's relevant external
> clocks.

Who generates these clocks? 300 MHz crystal?

> 
> Signed-off-by: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> v5: Remove #power-domain-cells
>     Add #interconnect-cells
> ---
>  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 71328b223531..1cc614de845c 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> @@ -16,6 +16,18 @@ / {
>  	#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>;
> @@ -479,6 +491,22 @@ 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 = <1>;
> +			#reset-cells = <1>;
> +			#interconnect-cells = <1>;
> +		};
>  	};
>  
>  	timer {
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry

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