linux-kernel - Re: [PATCH 09/10] ARM: dts: imx6ul: support Engicam MicroGEA GTW board

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Message-ID: <20250609094305.GD13113@nxa18884-linux>
Date: Mon, 9 Jun 2025 17:43:05 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Dario Binacchi <dario.binacchi@...rulasolutions.com>
Cc: linux-kernel@...r.kernel.org, Matteo Lisi <matteo.lisi@...icam.com>,
	linux-amarula@...rulasolutions.com,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 09/10] ARM: dts: imx6ul: support Engicam MicroGEA GTW
 board

On Sat, Jun 07, 2025 at 11:33:21AM +0200, Dario Binacchi wrote:
>Support Engicam MicroGEA GTW board with:
>
>- 256 Mbytes NAND Flash
>- 512 Mbytes DRAM DDR2
>- Buttons
>- LEDs
>- Micro SD card connector
>- USB 2.0 high-speed/full-speed
>- Ethernet MAC
>
>Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
>---
>
> arch/arm/boot/dts/nxp/imx/Makefile            |   1 +
> .../nxp/imx/imx6ull-engicam-microgea-gtw.dts  | 164 ++++++++++++++++++
> 2 files changed, 165 insertions(+)
> create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea-gtw.dts
>
>diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile
>index 32dfd69b8d8b..de4142e8f3ce 100644
>--- a/arch/arm/boot/dts/nxp/imx/Makefile
>+++ b/arch/arm/boot/dts/nxp/imx/Makefile
>@@ -357,6 +357,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
> 	imx6ull-dhcom-picoitx.dtb \
> 	imx6ull-dhcor-maveo-box.dtb \
> 	imx6ull-engicam-microgea-bmm.dtb \
>+	imx6ull-engicam-microgea-gtw.dtb \
> 	imx6ull-engicam-microgea-rmm.dtb \
> 	imx6ull-jozacp.dtb \
> 	imx6ull-kontron-bl.dtb \
>diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea-gtw.dts b/arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea-gtw.dts
>new file mode 100644
>index 000000000000..1c82ac08bfb4
>--- /dev/null
>+++ b/arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea-gtw.dts
>@@ -0,0 +1,164 @@
>+// SPDX-License-Identifier: GPL-2.0
>+/*
>+ * Copyright (C) 2025 Amarula Solutions, Dario Binacchi <dario.binacchi@...rulasolutions.com>
>+ * Copyright (C) 2025 Engicam srl
>+ */
>+
>+/dts-v1/;
>+
>+#include "imx6ull-engicam-microgea.dtsi"
>+
>+/ {
>+	compatible = "engicam,microgea-imx6ull-gtw",
>+		     "engicam,microgea-imx6ull", "fsl,imx6ull";
>+	model = "Engicam MicroGEA i.MX6ULL GTW Board";
>+
>+

Drop extra blank line.

>+	reg_1v8: regulator-1v8 {
>+		compatible = "regulator-fixed";
>+		regulator-name = "1v8";
>+		regulator-min-microvolt = <1800000>;
>+		regulator-max-microvolt = <1800000>;
>+	};
>+
>+	reg_3v3: regulator-3v3 {
>+		compatible = "regulator-fixed";
>+		regulator-name = "3v3";
>+		regulator-min-microvolt = <3300000>;
>+		regulator-max-microvolt = <3300000>;
>+	};
>+
>+	gpio-keys {
>+		compatible = "gpio-keys";
>+		pinctrl-names = "default";
>+		pinctrl-0 = <&pinctrl_gpio_keys>;
>+
>+		user-button {
>+			label = "User button";
>+			gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
>+			linux,code = <BTN_MISC>;
>+			wakeup-source;
>+		};
>+	};
>+
>+	leds {
>+		compatible = "gpio-leds";
>+		pinctrl-names = "default";
>+		pinctrl-0 = <&pinctrl_leds>, <&pinctrl_pwrled>;
>+
>+		led-0 {
>+			gpios = <&gpio5 7 GPIO_ACTIVE_HIGH>;
>+			default-state = "on";
>+		};
>+
>+		led-1 {
>+			gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
>+		};
>+
>+		led-2 {
>+			gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
>+		};
>+
>+		led-3 {
>+			gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
>+		};
>+	};
>+
>+	usb_hub: usb-hub {
>+		compatible = "smsc,usb3503a";
>+		pinctrl-names = "default";
>+		pinctrl-0 = <&pinctrl_usb_hub>;
>+		reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>;
>+	};
>+};
>+
>+&iomuxc {
>+
>+	pinctrl_gpio_keys: gpio_keysgrp {
>+		fsl,pins = <
>+			MX6UL_PAD_JTAG_TDI__GPIO1_IO13		0x0b0b0
>+		>;
>+	};
>+
>+	pinctrl_leds: ledsgrp {
>+		fsl,pins = <
>+			MX6UL_PAD_JTAG_TCK__GPIO1_IO14		0x130b0
>+			MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15	0x130b0
>+			MX6UL_PAD_JTAG_TDO__GPIO1_IO12		0x130b0
>+		>;
>+	};
>+
>+	pinctrl_uart1: uart1grp {
>+		fsl,pins = <
>+			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX	0x1b0b1
>+			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX	0x1b0b1
>+		>;
>+	};
>+
>+	pinctrl_uart2: uart2grp {
>+		fsl,pins = <
>+			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
>+			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
>+			MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS	0x1b0b1
>+			MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS	0x1b0b1
>+		>;
>+	};
>+
>+	pinctrl_usdhc1: usdhc1grp {
>+		fsl,pins = <
>+			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x17059
>+			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10059
>+			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x17059
>+			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x17059
>+			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x17059
>+			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x17059
>+		>;
>+	};
>+};

we usually put iomuxc at the end of the file.

Regards,
Peng
>+