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

Krzysztof Kozlowski
2024-04-17T17:08:26Z

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@engicam.com>
> Cc: Mirko Ardinghi <mirko.ardinghi@engicam.com>
> Signed-off-by: Fabio Aiuto <fabio.aiuto@engicam.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