linux-kernel - Re: [PATCH 3/4] ARM: dts: imx: add devicetree for Kobo Libra H2O

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Date:   Thu, 23 Sep 2021 12:54:04 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     robh+dt@...nel.org, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>, soc@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, leoyang.li@....com,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/4] ARM: dts: imx: add devicetree for Kobo Libra H2O

Hi,

On Thu, 23 Sep 2021 08:26:58 +0200
Krzysztof Kozlowski <krzk@...nel.org> wrote:

> On Wed, 22 Sept 2021 at 22:38, Andreas Kemnade <andreas@...nade.info> wrote:
> >
> > Hi,
> >
> > On Wed, 22 Sep 2021 09:41:39 +0200
> > Krzysztof Kozlowski <krzk@...nel.org> wrote:
> >
> > [...]  
> > > > +       pinctrl_usdhc1_100mhz: usdhc1grp_100mhz {  
> > >
> > > Thanks for the patch.
> > >
> > > This does not look like passing the schema validation. Please run
> > > dtbs_check. The node names should use hyphens and end with "grp"
> > > suffix. This remark applies to other cases below.
> > >  
> > dtbs_check reports a lot of errors originating from imx6sll.dtsi and
> > friends. But nothing added by me. But yes, node names should use
> > hyphens, that is documented. I will fix that.
> >
> > But having -grp at the end for these things with a frequency in the
> > name is uncommon.
> > $ grep -R :.*100mhz arch/arm/boot/dts/imx6s*.dts
> > arch/arm/boot/dts/imx6sl-evk.dts:               pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
> > arch/arm/boot/dts/imx6sl-evk.dts:               pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> > arch/arm/boot/dts/imx6sl-evk.dts:               pinctrl_usdhc3_100mhz: usdhc3grp100mhz {
> > arch/arm/boot/dts/imx6sll-evk.dts:      pinctrl_usdhc1_100mhz: usdhc1grp_100mhz {
> > arch/arm/boot/dts/imx6sll-evk.dts:      pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
> > arch/arm/boot/dts/imx6sll-kobo-clarahd.dts:     pinctrl_usdhc2_100mhz: usdhc2grp-100mhz {
> > arch/arm/boot/dts/imx6sll-kobo-clarahd.dts:     pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
> > arch/arm/boot/dts/imx6sll-kobo-librah2o.dts:    pinctrl_usdhc1_100mhz: usdhc1grp-100mhz {
> > arch/arm/boot/dts/imx6sll-kobo-librah2o.dts:    pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
> > arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts:   pinctrl_usdhc2_100mhz: usdhc2grp-100mhz {
> > arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts:   pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
> > arch/arm/boot/dts/imx6sl-tolino-shine3.dts:     pinctrl_usdhc2_100mhz: usdhc2grp-100mhz {
> > arch/arm/boot/dts/imx6sl-tolino-shine3.dts:     pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
> > arch/arm/boot/dts/imx6sl-tolino-vision5.dts:    pinctrl_usdhc1_100mhz: usdhc1grp-100mhz {
> > arch/arm/boot/dts/imx6sl-tolino-vision5.dts:    pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
> > arch/arm/boot/dts/imx6sl-warp.dts:              pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> > arch/arm/boot/dts/imx6sl-warp.dts:              pinctrl_usdhc3_100mhz: usdhc3grp100mhz {
> > arch/arm/boot/dts/imx6sx-nitrogen6sx.dts:       pinctrl_usdhc4_100mhz: usdhc4-100mhzgrp {
> > arch/arm/boot/dts/imx6sx-sabreauto.dts: pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
> > arch/arm/boot/dts/imx6sx-softing-vining-2000.dts:       pinctrl_usdhc2_100mhz: usdhc2grp-100mhz {
> > arch/arm/boot/dts/imx6sx-softing-vining-2000.dts:       pinctrl_usdhc4_100mhz: usdhc4-100mhz {  
> 
> I was fixing primarily arm64 boards and did not touch that many of armv7:
> grep -R :.*100mhz.*grp arch/arm64/boot/dts/freescale/* | wc -l
> 46
>
I will send a v2 with the 100mhz style used there. I will not clean up
dtbs_check issues originating from imx6sl[l].dtsi in this series. That
would be an issue for a separate series. 

Regards,
Andreas