linux-kernel - Re: [PATCH 2/2] clk: qcom: add IPQ9574 interconnect clocks support

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Date: Thu, 21 Mar 2024 08:25:15 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>, andersson@...nel.org,
 konrad.dybcio@...aro.org, robh@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 mturquette@...libre.com, sboyd@...nel.org, djakov@...nel.org,
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-pm@...r.kernel.org
Subject: Re: [PATCH 2/2] clk: qcom: add IPQ9574 interconnect clocks support

On 21/03/2024 05:31, Varadarajan Narayanan wrote:
> Unlike MSM platforms that manage NoC related clocks and scaling
> from RPM, IPQ SoCs dont involve RPM in managing NoC related
> clocks and there is no NoC scaling.

If these are clocks, expose them as clocks, not as interconnects.

> 
> However, there is a requirement to enable some NoC interface
> clocks for accessing the peripheral controllers present on
> these NoCs.
> 
> Hence adding a minimalistic interconnect driver that can enable
> the relevant clocks. This is similar to msm8996-cbf's usage of
> icc-clk framework.
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi |  2 +

DTS is always, ALWAYS, separate.

>  drivers/clk/qcom/gcc-ipq9574.c        | 75 ++++++++++++++++++++++++++-
>  2 files changed, 76 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 7f2e5cbf3bbb..efffbd085715 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -11,6 +11,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
>  #include <dt-bindings/thermal/thermal.h>
> +#include <dt-bindings/interconnect/qcom,ipq9574.h>

Keep the order,

Best regards,
Krzysztof