linux-kernel - Re: [PATCH 4/4] arm64: dts: imx93: Add Engicam i.Core MX93 EDIMM 2.0 Starter Kit

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Message-ID: <ZiDLjT3wEeiiHjz9@engicam>
Date: Thu, 18 Apr 2024 09:28:13 +0200
From: Fabio Aiuto <fabio.aiuto@...icam.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
	Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Matteo Lisi <matteo.lisi@...icam.com>,
	Mirko Ardinghi <mirko.ardinghi@...icam.com>
Subject: Re: [PATCH 4/4] arm64: dts: imx93: Add Engicam i.Core MX93 EDIMM 2.0
 Starter Kit

Dear Krzysztof,

Il Wed, Apr 17, 2024 at 07:08:00PM +0200, Krzysztof Kozlowski ha scritto:
> On 17/04/2024 17:35, Fabio Aiuto wrote:
> > i.Core MX93 is a NXP i.MX93 based SoM by Enigcam which
> > needs to be mounted on top of Engicam baseboards.
> > 
> > Add support for EDIMM 2.0 Starter Kit hosting
> > i.Core MX93.
> > 
> > Starter Kit main features:
> > 
> > 2x LVDS interfaces
> > HDMI output
> > Audio out
> > Mic in
> > Micro SD card slot
> > USB 3.0 A port
> > 3x USB 2.0 A port
> > Gb Ethernet
> > 2x CAN bus, 3x UART interfaces
> > SIM card slot
> > M.2 KEY_B slot
> > 
> > Cc: Matteo Lisi <matteo.lisi@...icam.com>
> > Cc: Mirko Ardinghi <mirko.ardinghi@...icam.com>
> > Signed-off-by: Fabio Aiuto <fabio.aiuto@...icam.com>
> > ---
> >  arch/arm64/boot/dts/freescale/Makefile        |   1 +
> >  .../dts/freescale/imx93-icore-mx93-edimm2.dts | 356 ++++++++++++++++++
> >  2 files changed, 357 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
> > 
> > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> > index 045250d0a040..d26c0a458a44 100644
> > --- a/arch/arm64/boot/dts/freescale/Makefile
> > +++ b/arch/arm64/boot/dts/freescale/Makefile
> > @@ -226,6 +226,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
> >  dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
> >  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
> >  dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
> > +dtb-$(CONFIG_ARCH_MXC) += imx93-icore-mx93-edimm2.dtb
> >  dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
> >  dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb
> >  dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
> > diff --git a/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts b/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
> > new file mode 100644
> > index 000000000000..75cac97d919c
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
> > @@ -0,0 +1,356 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Copyright 2022 NXP
> > + * Copyright 2024 Engicam s.r.l.
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include <dt-bindings/usb/pd.h>
> > +#include "imx93-icore-mx93.dtsi"
> > +
> > +/ {
> > +	model = "Engicam i.Core MX93 - EDIMM 2 Starterkit";
> > +	compatible = "engicam,icore-mx93-edimm2", "engicam,icore-mx93",
> > +		     "fsl,imx93";
> > +
> > +	aliases {
> > +		rtc1= &bbnsm_rtc;
> 
> Missing pace before =
> 
> > +	};
> > +
> > +	bt_reg_on: regulator-btregon {
> > +		compatible = "regulator-gpio";
> > +		regulator-name = "BT_REG_ON";
> > +		pinctrl-names = "default";
> > +		regulator-min-microvolt = <100000>;
> > +		regulator-max-microvolt = <3300000>;
> > +		states = <3300000 0x1>,
> > +				 <100000 0x0>;
> 
> Misaligned indentation
> 
> > +		gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> > +		regulator-always-on;
> > +	};
> > +
> > +	chosen {
> > +		stdout-path = &lpuart1;
> > +	};
> > +
> > +	reg_1v8_sgtl: reg_1v8_sgtl_regulator {
> 
> Do not use underscores in node names. I am pretty sure you got this
> comment before.
> 
> Also, you have confusing naming scheme - sometimes prefix reg, sometimes
> regulator. Keep nodes ordered.

thanks, will submit a v2 patchset

kr,

fabio

> 
> 
> 
> Best regards,
> Krzysztof
>