Subject: Re: [PATCH v2 1/7] arm64: dts: imx8m: Add NOC nodes

From: Krzysztof Kozlowski <[email-masked]>
Date: Wed, 2 Dec 2020 10:14:07 +0200

On Tue, Dec 01, 2020 at 01:39:26PM +0100, Martin Kepplinger wrote:
> From: Leonard Crestez <[email-masked]>
> 
> Add initial support for dynamic frequency scaling of main NOC.
> 
> Make DDRC the parent of the NOC (using passive governor) so that the
> main NOC is automatically scaled together with DDRC by default.
> 
> Support for proactive scaling via interconnect will come on top.
> 
> Signed-off-by: Leonard Crestez <[email-masked]>
> Tested-by: Martin Kepplinger <[email-masked]> (imx8mq)
> ---
>  arch/arm64/boot/dts/freescale/imx8mm.dtsi | 22 ++++++++++++++++++++++
>  arch/arm64/boot/dts/freescale/imx8mn.dtsi | 22 ++++++++++++++++++++++
>  arch/arm64/boot/dts/freescale/imx8mq.dtsi | 22 ++++++++++++++++++++++
>  3 files changed, 66 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index c824f2615fe8..835b19f0ea42 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -921,6 +921,28 @@
>  
>  		};
>  
> +		noc: interconnect@32700000 {
> +			compatible = "fsl,imx8mm-noc", "fsl,imx8m-noc";
> +			reg = <0x32700000 0x100000>;
> +			clocks = <&clk IMX8MM_CLK_NOC>;
> +			devfreq = <&ddrc>;

This does not pass the dtschema checks. Are you missing here any
dependencies?

arch/arm64/boot/dts/freescale/imx8mm-evk.dt.yaml: interconnect@32700000: 'devfreq' does not match any of the regexes: 'pinctrl-[0-9]+'

Best regards,
Krzysztof

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