linux-kernel - Re: [PATCH 12/13] ARM: dts: imx: add i.MXRT1050-EVK support

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Date:   Sun, 24 Oct 2021 20:17:12 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Jesse Taube <mr.bossman075@...il.com>
Cc:     NXP Linux Team <linux-imx@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Stefan Agner <stefan@...er.ch>,
        Linus Walleij <linus.walleij@...aro.org>,
        gregkh <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        SoC Team <soc@...nel.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Abel Vesa <abel.vesa@....com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        giulio.benetti@...ettiengineering.com,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Leonard Crestez <leonard.crestez@....com>,
        b20788@...escale.com, Andy Duan <fugang.duan@....com>,
        linux-clk <linux-clk@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>
Subject: Re: [PATCH 12/13] ARM: dts: imx: add i.MXRT1050-EVK support

On Sun, Oct 24, 2021 at 5:40 PM Jesse Taube <mr.bossman075@...il.com> wrote:

> +               pinctrl_semc: semcgrp {
> +                       fsl,pins = <

This node doesn't appear to be referenced from anywhere. Is it actually needed?

> +
> +/ {
> +       #address-cells = <1>;
> +       #size-cells = <1>;
> +
> +       aliases {
> +               gpio0 = &gpio1;
> +               gpio1 = &gpio2;
> +               gpio2 = &gpio3;
> +               gpio3 = &gpio4;
> +               gpio4 = &gpio5;
> +               mmc0 = &usdhc1;
> +               serial0 = &lpuart1;
> +       };

The aliases should go into the .dts file.

> +               edma1: dma-controller@...E8000 {
> +                       #dma-cells = <2>;
> +                       compatible = "fsl,imx7ulp-edma";
> +                       reg = <0x400E8000 0x4000>,
> +                               <0x400EC000 0x4000>;

Use lowercase letters in hex numbers here.

        Arnd