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Message-ID: <41a1ca01-384a-40ca-a5f6-6205bb43825b@kernel.org>
Date: Wed, 17 Apr 2024 19:08:00 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Fabio Aiuto <fabio.aiuto@...icam.com>, 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>
Cc: 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

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.



Best regards,
Krzysztof


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