linux-kernel - Re: [RFC 15/19] arm64: dts: imx8mq: Add all pl301 nodes

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Date:   Sun, 21 Feb 2021 16:47:59 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Abel Vesa <abel.vesa@....com>
Cc:     Rob Herring <robh@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Georgi Djakov <djakov@...nel.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Peng Fan <peng.fan@....com>,
        Martin Kepplinger <martink@...teo.de>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        NXP Linux Team <linux-imx@....com>
Subject: Re: [RFC 15/19] arm64: dts: imx8mq: Add all pl301 nodes

On Fri, 19 Feb 2021 at 17:04, Abel Vesa <abel.vesa@....com> wrote:
>
> Add all the pl301s found on i.MX8MQ, according to the bus diagram.
> Each pl301 has its own clock, icc id and opp table. They are probed
> by the imx-bus driver.
>
> Signed-off-by: Abel Vesa <abel.vesa@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mq.dtsi | 180 ++++++++++++++++++++++
>  1 file changed, 180 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index e30e948648e9..5f9ffa465d6c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -1447,5 +1447,185 @@ ddr-pmu@...00000 {
>                         interrupt-parent = <&gic>;
>                         interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
>                 };
> +
> +               pl301_main: pl301@0 {
> +                       compatible = "fsl,imx8m-nic";

Does it pass dtc W=1 and dtbs_check without the "reg" property?

Please also name the node in a generic way (see for example  DT spec
"2.2.2 Generic Names Recommendation").

Best regards,
Krzysztof