Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Wed, 2 Dec 2020 10:14:07 +0200
From:   Krzysztof Kozlowski <krzk@kernel.org>
To:     Martin Kepplinger <martin.kepplinger@puri.sm>
Cc:     robh@kernel.org, shawnguo@kernel.org, festevam@gmail.com,
        catalin.marinas@arm.com, will@kernel.org, georgi.djakov@linaro.org,
        cdleonard@gmail.com, kernel@pengutronix.de, linux-imx@nxp.com,
        kernel@puri.sm, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, Leonard Crestez <leonard.crestez@nxp.com>
Subject: Re: [PATCH v2 1/7] arm64: dts: imx8m: Add NOC nodes
Message-ID: <20201202081407.GA7157@kozik-lap>
References: <20201201123932.12312-1-martin.kepplinger@puri.sm>
 <20201201123932.12312-2-martin.kepplinger@puri.sm>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20201201123932.12312-2-martin.kepplinger@puri.sm>
Precedence: bulk

On Tue, Dec 01, 2020 at 01:39:26PM +0100, Martin Kepplinger wrote:
> From: Leonard Crestez <leonard.crestez@nxp.com>
> 
> 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 <leonard.crestez@nxp.com>
> Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm> (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