linux-kernel - Re: [PATCH v9 5/6] arm64: dts: qcom: ipq9574: Add nsscc node

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Message-ID: <ee166cf3-4486-4172-a510-bafa1624ab79@oss.qualcomm.com>
Date: Mon, 10 Feb 2025 19:17:58 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>, 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, p.zabel@...gutronix.de,
        richardcochran@...il.com, geert+renesas@...der.be,
        dmitry.baryshkov@...aro.org, arnd@...db.de, nfraprado@...labora.com,
        biju.das.jz@...renesas.com, quic_tdas@...cinc.com, ebiggers@...gle.com,
        ardb@...nel.org, ross.burton@....com, quic_anusha@...cinc.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, netdev@...r.kernel.org
Cc: quic_srichara@...cinc.com, quic_varada@...cinc.com
Subject: Re: [PATCH v9 5/6] arm64: dts: qcom: ipq9574: Add nsscc node

On 7.02.2025 8:39 AM, Manikanta Mylavarapu wrote:
> From: Devi Priya <quic_devipriy@...cinc.com>
> 
> Add a node for the nss clock controller found on ipq9574 based devices.
> 
> Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
> ---
> Changes in V9:
> 	- Rebased on linux-next tip.
> 
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 942290028972..29008b156a7e 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -1193,6 +1193,25 @@ pcie0: pci@...00000 {
>  			status = "disabled";
>  		};
>  
> +		nsscc: clock-controller@...00000 {
> +			compatible = "qcom,ipq9574-nsscc";
> +			reg = <0x39b00000 0x80000>;
> +			clocks = <&xo_board_clk>,
> +				 <&cmn_pll NSS_1200MHZ_CLK>,
> +				 <&cmn_pll PPE_353MHZ_CLK>,
> +				 <&gcc GPLL0_OUT_AUX>,
> +				 <0>,
> +				 <0>,
> +				 <0>,
> +				 <0>,
> +				 <0>,
> +				 <0>,
> +				 <&gcc GCC_NSSCC_CLK>;

This last clock doesn't seem to be used in the driver - is that by design?

Konrad